D

Defense in Depth

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Recommendations to Reboot the Security Vendor Pitch

<p dir="ltr">All links and images can be found on <a href= "https://cisoseries.com/recommendations-to-reboot-the-security-vendor-pitch/"> CISO Series</a></p> <p dir="ltr">Check out <a href= "https://www.linkedin.com/posts/valeritsanev_ciso-salesmeetings-timemanagement-share-7383879058289512448-ucic/?utm_source=share&utm_medium=member_android&rcm=ACoAAAAGB-ABR5yqhAwT3wmdEjT0Znha5c_QJ6s"> this post</a> by Val Tsanev of CyberRisk Alliance, for the discussion that is the basis of our conversation on this week's episode co-hosted by <a href= "https://www.linkedin.com/in/davidspark/">David Spark</a>, the producer of <a href="https://cisoseries.com/">CISO Series</a>, and <a href="https://www.linkedin.com/in/cisoedwardc/">Edward Contreras</a>, senior evp and CISO, <a href= "https://www.frostbank.com/">Frost Bank</a>. Joining is <a href= "https://www.linkedin.com/in/jillrhodes/">Jill Rhodes</a>, svp, CISO, <a href="https://optioncarehealth.com/">Option Care Health</a>.</p> <p dir="ltr"><strong>In this episode:</strong></p> <ul dir="ltr"> <li>The ten-minute test</li> <li>Relevance beats format</li> <li>Price the problem or lose the room</li> <li>Whose meeting is it, really</li> </ul> <p dir="ltr"><strong>A huge thanks to our sponsor, Teleskope</strong></p> <p><a href= "https://www.teleskope.ai/?utm_source=defense_in_depth&utm_medium=podcast&utm_campaign=ceo_podcast_june2026"> <img src="https://imgproxy.citrusreader.com/uYoZ1WplfCgzP9stZz-bsKv_THoomAhZt--HHS201LM/raw:1/aHR0cHM6Ly9hc3NldHMubGlic3luLmNvbS9zaG93LzE1NjUyNC9UZWxlc2tvcGVfQmFubmVyX0FkXzIucG5n" alt width="600" height="100"></a></p> <p dir="ltr">Most DSPMs stop at finding the risk. Teleskope fixes this: it automatically finds sensitive data, including IP documents or board decks, and remediates exposure across cloud, SaaS, and AI environments natively, with human-in-the-loop controls, improving your team's efficiency tenfold. Trusted by Ramp, Polymarket, and Chevron Phillips, and more. <a href= "https://www.teleskope.ai/?utm_source=defense_in_depth&utm_medium=podcast&utm_campaign=ceo_podcast_june2026"> teleskope.ai</a></p> <p dir="ltr"> </p>

2026/9/3
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Market Confusion Is Responsible for the Biggest Gaps in Cybersecurity

<p class="font-claude-response-body break-words whitespace-normal" dir="ltr">All links and images can be found on <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href= "https://cisoseries.com/market-confusion-is-responsible-for-the-biggest-gaps-in-cybersecurity/"> CISO Series</a></p> <p class="font-claude-response-body break-words whitespace-normal" dir="ltr">Check out <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href= "https://www.linkedin.com/posts/joehead1_i-have-spoken-to-97-cyber-founders-in-6-months-activity-7328411177712066560-hG6Y/?rcm=ACoAAAAGB-ABR5yqhAwT3wmdEjT0Znha5c_QJ6s"> this post</a> from Joe Head of RELEX Solutions for the discussion that is the basis of our conversation on this week's episode co-hosted by <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.linkedin.com/in/davidspark/">David Spark</a>, the producer of <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://cisoseries.com/">CISO Series</a>, and <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.linkedin.com/in/cisoedwardc/">Edward Contreras</a>, senior evp and CISO, <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.frostbank.com/">Frost Bank</a>. Joining is <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.linkedin.com/in/maryrosemartinez/">Mary Rose Martinez</a>, CISO, and vp of digital technology services, <a class="underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.marathonpetroleum.com/">Marathon Petroleum Corporation</a>.</p> <p class="font-claude-response-body break-words whitespace-normal" dir="ltr"><strong>In this episode:</strong></p> <ul class= "[li_&]:mb-0 [li_&]:mt-1 [li_&]:gap-1 [&:not(:last-child)_ul]:pb-1 [&:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1" dir="ltr"> <li class= "font-claude-response-body whitespace-normal break-words pl-2">Left behind</li> <li class= "font-claude-response-body whitespace-normal break-words pl-2">A hypothetical sale</li> <li class= "font-claude-response-body whitespace-normal break-words pl-2">The philosophy problem</li> <li class= "font-claude-response-body whitespace-normal break-words pl-2">Stop shifting the problems</li> </ul> <p class="font-claude-response-body break-words whitespace-normal" dir="ltr"><strong>A huge thanks to our sponsor, ActiveState</strong></p> <p><a href= "https://go.activestate.com/free-oss-health-check-ai-risk?utm_source=ciso%20series&utm_medium=banner_ad&utm_campaign=fy26_q2_comms&utm_content=paid_campaign"> <img src="https://imgproxy.citrusreader.com/HVmHY9yfd1TM6Mmx7JalWqe7I9aRdSEWtQtruRkRxxw/raw:1/aHR0cHM6Ly9hc3NldHMubGlic3luLmNvbS9zaG93LzE1NjUyNC9DaXNvX1Nlcmllc19BY3RpdmVTdGF0ZV9CYW5uZXJfMS5wbmc" alt width="600" height="100"></a></p> <p class="font-claude-response-body break-words whitespace-normal" dir="ltr">ActiveState gives security and engineering teams a single governed source for open source software. With 79 million components built from source, continuously remediated, and delivered directly into the tools teams already use, ActiveState eliminates the CVE backlog and the developer toil that comes with it. Companies see a 60 to 99% reduction in CVEs and reclaim up to 30% of developer time. Learn more at <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href= "https://go.activestate.com/free-oss-health-check-ai-risk?utm_source=ciso%20series&utm_medium=banner_ad&utm_campaign=fy26_q2_comms&utm_content=paid_campaign"> activestate.com</a>.</p>

2026/8/27
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Will AI Replace Detection Roles in Cybersecurity?

<p class="font-claude-response-body break-words whitespace-normal" dir="ltr">All links and images can be found on <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href= "https://cisoseries.com/will-ai-replace-detection-roles-in-cybersecurity/"> CISO Series</a></p> <p class="font-claude-response-body break-words whitespace-normal" dir="ltr">Check out <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href= "https://www.linkedin.com/posts/calebsima_ai-agents-will-replace-80-of-detection-roles-share-7439337735577980928-dEn3/?utm_source=share&utm_medium=member_android&rcm=ACoAAAAGB-ABR5yqhAwT3wmdEjT0Znha5c_QJ6s"> this post</a> from Caleb Sima of Whiterabbit for the discussion that is the basis of our conversation on this week's episode co-hosted David Spark, the producer of <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://cisoseries.com/">CISO Series</a>, and <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.linkedin.com/in/yaronrl/">Yaron Levi</a>, CISO, <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.dolby.com/">Dolby</a>. Joining is <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.linkedin.com/in/adrianludwig/">Adrian Ludwig</a>, CSO, <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.rippling.com/">Rippling</a>.</p> <p class="font-claude-response-body break-words whitespace-normal" dir="ltr"><strong>In this episode:</strong></p> <ul class= "[li_&]:mb-0 [li_&]:mt-1 [li_&]:gap-1 [&:not(:last-child)_ul]:pb-1 [&:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1" dir="ltr"> <li class= "font-claude-response-body whitespace-normal break-words pl-2">The messy middle</li> <li class= "font-claude-response-body whitespace-normal break-words pl-2">The automatable part</li> <li class= "font-claude-response-body whitespace-normal break-words pl-2"> Where automation stops</li> <li class= "font-claude-response-body whitespace-normal break-words pl-2">The influence gap</li> </ul> <p class="font-claude-response-body break-words whitespace-normal" dir="ltr"><strong>A huge thanks to our sponsor, ThreatLocker</strong></p> <p><a href="http://www.Threatlocker.com/ciso"><img src="https://imgproxy.citrusreader.com/s1Ykq7V24V56rGNKKmvu_e08p4nYijXHI839FjCaFf0/raw:1/aHR0cHM6Ly9hc3NldHMubGlic3luLmNvbS9zaG93LzE1NjUyNC9UaHJlYXRMb2NrZXJfQUlfQ2FudF9TdG9wX0FJX0F0dGFja3NfMTkyMHgzMjAuanBn" alt width="600" height="100"></a></p> <p class="font-claude-response-body break-words whitespace-normal" dir="ltr">ThreatLocker delivers Zero Trust Network Access and Zero Trust Cloud Access that verifies both user and device before granting access to specific applications. No broad access, nothing exposed, and no reliance on credentials alone. It's a smarter way to control access and reduce risk. Learn more at <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="http://ThreatLocker.com/CISO">ThreatLocker.com/CISO</a>.</p>

2026/8/20
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What Makes a Good AI Security Deployment?

<p class="font-claude-response-body break-words whitespace-normal" dir="ltr"><span class="_animating_1lnon_10" data-newtext-seq= "0">What</span> <span class="_animating_1lnon_10" data-newtext-seq= "4">Makes a Good AI Security Deployment?</span></p> <p class="font-claude-response-body break-words whitespace-normal" dir="ltr"><span class="_animating_1lnon_10" data-newtext-seq= "0">A</span><span class="_animating_1lnon_10" data-newtext-seq= "1">ll links and images can be found on</span> <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href= "https://cisoseries.com/what-makes-a-good-ai-security-deployment/"><span class="_animating_1lnon_10" data-newtext-seq="37">CISO Series</span></a></p> <p class="font-claude-response-body break-words whitespace-normal" dir="ltr"><span class="_animating_1lnon_10" data-newtext-seq= "0">Check out</span> <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href= "https://www.linkedin.com/posts/chrismatthews1822_aisecurity-aigovernance-cybersecurity-activity-7429768061630676992-Wg7c/?utm_source=share&utm_medium=member_android&rcm=ACoAAAAGB-ABR5yqhAwT3wmdEjT0Znha5c_QJ6s"> <span class="_animating_1lnon_10" data-newtext-seq="10">this post</span></a> <span class="_animating_1lnon_10" data-newtext-seq= "10">by Chris Matthews</span> <span class="_animating_1lnon_10" data-newtext-seq="250">of UpGuard for the discussion that is</span> <span class="_animating_1lnon_10" data-newtext-seq="288">the basis of our conversation on this</span> <span class= "_animating_1lnon_10" data-newtext-seq="326">week's episode co-hosted by me,</span> <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.linkedin.com/in/davidspark/"><span class= "_animating_1lnon_10" data-newtext-seq="358">David Spark</span></a><span class="_animating_1lnon_10" data-newtext-seq= "358">, the producer of</span> <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://cisoseries.com/"><span class="_animating_1lnon_10" data-newtext-seq="430">CISO Series</span></a><span class= "_animating_1lnon_10" data-newtext-seq="430">,</span> <span class= "_animating_1lnon_10" data-newtext-seq="470">and</span> <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.linkedin.com/in/cisoedwardc/"><span class= "_animating_1lnon_10" data-newtext-seq="474">Edward Contreras</span></a><span class="_animating_1lnon_10" data-newtext-seq="474">, senior evp and</span> <span class= "_animating_1lnon_10" data-newtext-seq="551">CISO,</span> <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.frostbank.com/"><span class="_animating_1lnon_10" data-newtext-seq="557">Frost Bank</span></a><span class= "_animating_1lnon_10" data-newtext-seq="597">. Joining us is</span> <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.linkedin.com/in/peter-liebert"><span class= "_animating_1lnon_10" data-newtext-seq="613">Peter Liebert</span></a><span class="_animating_1lnon_10" data-newtext-seq="613">, CISO,</span> <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.salesloft.com/"><span class="_animating_1lnon_10" data-newtext-seq="679">Salesloft</span></a> <span class= "_animating_1lnon_10" data-newtext-seq="719">& Clari.</span></p> <p class="font-claude-response-body break-words whitespace-normal" dir="ltr"><strong><span class="_animating_1lnon_10" data-newtext-seq="2">In this episode:</span></strong></p> <ul class= "[li_&]:mb-0 [li_&]:mt-1 [li_&]:gap-1 [&:not(:last-child)_ul]:pb-1 [&:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1" dir="ltr"> <li class= "font-claude-response-body whitespace-normal break-words pl-2"> <span class="_animating_1lnon_10" data-newtext-seq= "2">Non-determinism changes everything</span></li> <li class= "font-claude-response-body whitespace-normal break-words pl-2"> <span class="_animating_1lnon_10" data-newtext-seq="39">The foundation problem</span></li> <li class= "font-claude-response-body whitespace-normal break-words pl-2"> <span class="_animating_1lnon_10" data-newtext-seq="39">Nobody owns</span> <span class="_animating_1lnon_10" data-newtext-seq= "76">the whole problem</span></li> <li class= "font-claude-response-body whitespace-normal break-words pl-2"> <span class="_animating_1lnon_10" data-newtext-seq="76">The authorization</span> <span class="_animating_1lnon_10" data-newtext-seq="114">gap</span></li> </ul> <p class="font-claude-response-body break-words whitespace-normal" dir="ltr"><strong><span class="_animating_1lnon_10" data-newtext-seq="2">A huge thanks to our sponsor, CoreView</span></strong></p> <p class="font-claude-response-body break-words whitespace-normal" dir="ltr"><a href= "https://www.coreview.com/form/microsoft-365-tenant-resilience?utm_medium=Podcast&utm_source=CISOSeriesDefence_In_Depth"> <strong><span class="_animating_1lnon_10" data-newtext-seq= "2"><img src="https://imgproxy.citrusreader.com/TE6KsakIMsak8iBZFtWeqPGT4ms7aEpPvaIgSc_hlI4/raw:1/aHR0cHM6Ly9hc3NldHMubGlic3luLmNvbS9zaG93LzE1NjUyNC9TZWN1cml0eV95b3Vfc2hvdWxkX2tub3dfLV9CYW5uZXJfQWRfMi5wbmc" alt width="600" height="113"></span></strong></a></p> <p class="font-claude-response-body break-words whitespace-normal" dir="ltr"><em><span class="_animating_1lnon_10" data-newtext-seq= "2">Attackers don't break into Microsoft 365. They log in and reconfigure it. When tenant configurations drift or get tampered with, recovery can take weeks and missed settings can reopen the door. The Cyber Resilience Framework for Microsoft 365 covers the five pillars, harden, govern, detect, respond, recover, and shows exactly where today's tools leave gaps. <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href= "https://www.coreview.com/form/microsoft-365-tenant-resilience?utm_medium=Podcast&utm_source=CISOSeriesDefence_In_Depth"> Download the free practical guide</a></span></em></p> <p class="font-claude-response-body break-words whitespace-normal" dir="ltr"> </p>

2026/8/13
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The Office Politics of Remediation

<p class="font-claude-response-body break-words whitespace-normal" dir="ltr">All links and images can be found on <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href= "https://cisoseries.com/the-office-politics-of-remediation/">CISO Series</a></p> <p class="font-claude-response-body break-words whitespace-normal" dir="ltr">Check out <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href= "https://www.linkedin.com/posts/davidspark_cyberhive-looking-for-your-input-for-an-share-7467254399636017152-AiQJ/?rcm=ACoAAAAGB-ABR5yqhAwT3wmdEjT0Znha5c_QJ6s"> this post</a> for the discussion that is the basis of our conversation on this week's episode co-hosted by <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.linkedin.com/in/davidspark/">David Spark</a>, the producer of <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://cisoseries.com/">CISO Series</a>, and <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.linkedin.com/in/danwalshciso/">Dan Walsh</a>, CISO, Datavant. Joining is our sponsored guest, <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.linkedin.com/in/elizabethnammour/">Elizabeth Nammour</a>, founder and CEO, <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.teleskope.io/">Teleskope</a>.</p> <p class="font-claude-response-body break-words whitespace-normal" dir="ltr"><strong>In this episode:</strong></p> <ul class= "[li_&]:mb-0 [li_&]:mt-1 [li_&]:gap-1 [&:not(:last-child)_ul]:pb-1 [&:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1" dir="ltr"> <li class= "font-claude-response-body whitespace-normal break-words pl-2">Data ownership before automation</li> <li class= "font-claude-response-body whitespace-normal break-words pl-2">A shared vocabulary for agent risk</li> <li class= "font-claude-response-body whitespace-normal break-words pl-2"> Maturing from crawl to run</li> <li class= "font-claude-response-body whitespace-normal break-words pl-2"> Trust earns automation its place</li> </ul> <p class="font-claude-response-body break-words whitespace-normal" dir="ltr"><strong>A huge thanks to our sponsor, Teleskope</strong></p> <p><a href= "https://www.teleskope.ai/?utm_source=defense_in_depth&utm_medium=podcast&utm_campaign=ceo_podcast_june2026"> <img src="https://imgproxy.citrusreader.com/tplsMxnvNFZbY5ZgiEk9sd-Q8FIwoEjo112kLAqOLqQ/raw:1/aHR0cHM6Ly9hc3NldHMubGlic3luLmNvbS9zaG93LzE1NjUyNC9UZWxlc2tvcGVfQmFubmVyX0FkLnBuZw" alt width="600" height="100"></a></p> <p class="font-claude-response-body break-words whitespace-normal" dir="ltr">Most DSPMs stop at finding the risk. Teleskope fixes this: it automatically finds sensitive data, including IP documents or board decks, and remediates exposure across cloud, SaaS, and AI environments natively, with human-in-the-loop controls, improving your team's efficiency tenfold. Trusted by Ramp, Polymarket, and Chevron Phillips, and more. <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href= "https://www.teleskope.ai/?utm_source=defense_in_depth&utm_medium=podcast&utm_campaign=ceo_podcast_june2026"> teleskope.ai</a></p> <p> </p>

2026/8/6
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Why is Preventative Security So Difficult?

<p class="font-claude-response-body break-words whitespace-normal" dir="ltr">All links and images can be found on <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href= "https://cisoseries.com/why-is-preventative-security-so-difficult/"> CISO Series</a></p> <p class="font-claude-response-body break-words whitespace-normal" dir="ltr">Prevention in cybersecurity is a lot like flossing: everyone knows they should do it, but few do it enough. What's stopping us?</p> <p class="font-claude-response-body break-words whitespace-normal" dir="ltr">Check out <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href= "https://www.linkedin.com/posts/rosshaleliuk_everyone-in-security-likes-to-talk-about-share-7340376222108962816-eJ0X/"> this post</a> by <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.linkedin.com/in/rosshaleliuk/">Ross Haleliuk</a> of Venture in Security for the discussion that is the basis of our conversation on this week's episode co-hosted by me, <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.linkedin.com/in/davidspark/">David Spark</a>, the producer of <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://cisoseries.com/">CISO Series</a>, and <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.linkedin.com/in/cisoedwardc/">Edward Contreras</a>, senior evp and CISO, <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.frostbank.com/">Frost Bank</a>. Joining us is <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.linkedin.com/in/deneendefiore/">Deneen DeFiore</a>, vice president & chief information security officer, <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.united.com/en/us/">United Airlines</a>.</p> <p class="font-claude-response-body break-words whitespace-normal" dir="ltr"><strong>In this episode:</strong></p> <ul class= "[li_&]:mb-0 [li_&]:mt-1 [li_&]:gap-1 [&:not(:last-child)_ul]:pb-1 [&:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1" dir="ltr"> <li class= "font-claude-response-body whitespace-normal break-words pl-2">The sponsorship gap</li> <li class= "font-claude-response-body whitespace-normal break-words pl-2">One strike and you're out</li> <li class= "font-claude-response-body whitespace-normal break-words pl-2"> Policy without position</li> <li class= "font-claude-response-body whitespace-normal break-words pl-2"> Prevention isn't static</li> </ul> <p class="font-claude-response-body break-words whitespace-normal" dir="ltr"><strong>A huge thanks to our sponsor, CoreView</strong></p> <p><a href= "https://www.coreview.com/form/microsoft-365-tenant-resilience?utm_medium=Podcast&utm_source=CISOSeriesDefence_In_Depth"> <img src="https://imgproxy.citrusreader.com/fiNj8wpy1cuVQSaRK6OIk1LvJFr-XTTMVKulRCkdjXU/raw:1/aHR0cHM6Ly9hc3NldHMubGlic3luLmNvbS9zaG93LzE1NjUyNC9TZWN1cml0eV95b3Vfc2hvdWxkX2tub3dfLV9CYW5uZXJfQWQucG5n" alt width="600" height="113"></a></p> <p class="font-claude-response-body break-words whitespace-normal" dir="ltr">Attackers don't break into Microsoft 365. They log in and reconfigure it. When tenant configurations drift or get tampered with, recovery can take weeks and missed settings can reopen the door. The Cyber Resilience Framework for Microsoft 365 covers the five pillars, harden, govern, detect, respond, recover, and shows exactly where today's tools leave gaps. <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href= "https://www.coreview.com/form/microsoft-365-tenant-resilience?utm_medium=Podcast&utm_source=CISOSeriesDefence_In_Depth"> Download the free practical guide</a></p>

2026/7/30
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Identity and Access Management (IAM) in an Agentic AI World

<p class="font-claude-response-body break-words whitespace-normal" dir="ltr">All links and images can be found on <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href= "https://cisoseries.com/identity-and-access-management-iam-in-an-agentic-ai-world/"> CISO Series</a></p> <p class="font-claude-response-body break-words whitespace-normal" dir="ltr">Check out <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href= "https://www.linkedin.com/posts/tmaldonado_ai-cybersecurity-iam-share-7433537429179080704-tE0e/"> this post</a> by <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.linkedin.com/in/tmaldonado/">Tomás Maldonado</a>, CISO, NFL, for the discussion that is the basis of our conversation on this week's episode co-hosted by me, <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.linkedin.com/in/davidspark/">David Spark</a>, the producer of <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://cisoseries.com/">CISO Series</a>, and <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.linkedin.com/in/yaronrl/">Yaron Levi</a>, CISO, <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.dolby.com/">Dolby</a>. Joining is <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.linkedin.com/in/william-gregorian/">Will Gregorian</a>, vp of information technology & security, <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://galileo.io/">Galileo Medical</a>.</p> <p class="font-claude-response-body break-words whitespace-normal" dir="ltr"><strong>In this episode:</strong></p> <ul class= "[li_&]:mb-0 [li_&]:mt-1 [li_&]:gap-1 [&:not(:last-child)_ul]:pb-1 [&:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1" dir="ltr"> <li class= "font-claude-response-body whitespace-normal break-words pl-2">From who to what</li> <li class= "font-claude-response-body whitespace-normal break-words pl-2">The manipulation problem</li> <li class= "font-claude-response-body whitespace-normal break-words pl-2"> Cryptographic accountability</li> <li class= "font-claude-response-body whitespace-normal break-words pl-2">The audit gap</li> </ul> <p class="font-claude-response-body break-words whitespace-normal" dir="ltr"><strong>A huge thanks to our sponsor, ActiveState</strong></p> <p><a href= "https://go.activestate.com/free-oss-health-check-ai-risk?utm_source=ciso%20series&utm_medium=banner_ad&utm_campaign=fy26_q2_comms&utm_content=paid_campaign"> <img src="https://imgproxy.citrusreader.com/-0cDuLB8-Ibl0B18Asuj-aNW9D41JgZY58-_FulWr9k/raw:1/aHR0cHM6Ly9hc3NldHMubGlic3luLmNvbS9zaG93LzE1NjUyNC9DaXNvX1Nlcmllc19BY3RpdmVTdGF0ZV9CYW5uZXIucG5n" alt width="600" height="100"></a></p> <p class="font-claude-response-body break-words whitespace-normal" dir="ltr">ActiveState gives security and engineering teams a single governed source for open source software. With 79 million components built from source, continuously remediated, and delivered directly into the tools teams already use, ActiveState eliminates the CVE backlog and the developer toil that comes with it. Companies see a 60 to 99% reduction in CVEs and reclaim up to 30% of developer time. Learn more at <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href= "https://go.activestate.com/free-oss-health-check-ai-risk?utm_source=ciso%20series&utm_medium=banner_ad&utm_campaign=fy26_q2_comms&utm_content=paid_campaign"> ActiveState.com</a>.</p>

2026/7/23
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Protecting AI Agents in O365 and Google Workspace

<p class="font-claude-response-body break-words whitespace-normal"> All links and images can be found on <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href= "https://cisoseries.com/protecting-ai-agents-in-o365-and-google-workspace/">CISO Series</a></p> <p class="font-claude-response-body break-words whitespace-normal"> Check out this post for the discussion that is the basis of our conversation on this week's episode co-hosted by <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.linkedin.com/in/davidspark/">David Spark</a>, the producer of <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://cisoseries.com/">CISO Series</a>, and <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.linkedin.com/in/szalewski/">Steve Zalewski</a>. Joining is their sponsored guest, <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.linkedin.com/in/rajankkapoor/">Rajan Kapoor</a>, vp, security, Material Security.</p> <p class="font-claude-response-body break-words whitespace-normal"> <strong>In this episode:</strong></p> <ul class= "[li_&]:mb-0 [li_&]:mt-1 [li_&]:gap-1 [&:not(:last-child)_ul]:pb-1 [&:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3"> <li class= "font-claude-response-body whitespace-normal break-words pl-2"> Pre-existing conditions</li> <li class= "font-claude-response-body whitespace-normal break-words pl-2"> Architecture over rollout</li> <li class= "font-claude-response-body whitespace-normal break-words pl-2"> Access isn't legitimacy</li> <li class= "font-claude-response-body whitespace-normal break-words pl-2">Data has a half-life</li> </ul> <p class="font-claude-response-body break-words whitespace-normal"> <strong>A huge thanks to our sponsor, Material Security</strong></p> <p><a href= "https://material.security/lp-cloud-office-security?utm_source=third-party&utm_medium=website&utm_campaign=20260514-cisoseries"> <img src="https://imgproxy.citrusreader.com/8RV24z3hAZH-p5U5JY3_PtL-NO2hAhZXMBGP-t3BbjQ/raw:1/aHR0cHM6Ly9hc3NldHMubGlic3luLmNvbS9zaG93LzE1NjUyNC8yLTI2LUNJU08tc2VyaWVzXzEtMjAyNjA3MTUtM2t2bGM5Y21pdy5wbmc" alt width="600" height="100"></a></p> <p class="font-claude-response-body break-words whitespace-normal"> Legacy email security only watches the door. Material protects your entire cloud workspace—email, files, and accounts—as one ecosystem. It's more coverage for less than the cost of a legacy SEG. One price, no surprises: just security that covers the whole surface area. Learn more at <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href= "https://material.security/lp-cloud-office-security?utm_source=third-party&utm_medium=website&utm_campaign=20260514-cisoseries"> material.security</a>.</p>

2026/7/16
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Humans Are Bottleneck in a Machine-Speed World

<div class="_chunkWrapper_6ta1u_30"> </div> <div class="_chunkWrapper_6ta1u_30"> <p class="font-claude-response-body break-words whitespace-normal"> <span class="_animating_6ta1u_10" data-newtext-seq="0">All links and images can be found on </span><a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href= "https://cisoseries.com/humans-are-bottleneck-in-a-machine-speed-world/"><span class="_animating_6ta1u_10" data-newtext-seq="0">CISO Series</span></a></p> </div> <div class="_chunkWrapper_6ta1u_30"> <p class="font-claude-response-body break-words whitespace-normal"> <span class="_animating_6ta1u_10" data-newtext-seq="0">We're evolving fast to secure AI. But are we evolving fast enough to secure WITH AI?</span></p> </div> <div class="_chunkWrapper_6ta1u_30"> <p class="font-claude-response-body break-words whitespace-normal"> <span class="_animating_6ta1u_10" data-newtext-seq="0">Check out</span> <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href= "https://www.linkedin.com/posts/rinkisethi_infosec-ai-cybersecurity-share-7335305318375071745-XBV0/?utm_source=share&utm_medium=member_desktop&rcm=ACoAABTPPZ4B1qQYPSxiaKsxlD-DogPwH6La93s"> <span class="_animating_6ta1u_10" data-newtext-seq="0">this post</span></a> <span class="_animating_6ta1u_10" data-newtext-seq= "0">by Rinki Sethi, CSO, Upwind Security, for the discussion that is the basis of our conversation on this week's episode co-hosted by me,</span> <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.linkedin.com/in/davidspark/"><span class= "_animating_6ta1u_10" data-newtext-seq="0">David Spark</span></a><span class="_animating_6ta1u_10" data-newtext-seq= "0">, the producer of</span> <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://cisoseries.com/"><span class="_animating_6ta1u_10" data-newtext-seq="0">CISO Series</span></a><span class= "_animating_6ta1u_10" data-newtext-seq="0">, and</span> <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.linkedin.com/in/howardholton/"><span class= "_animating_6ta1u_10" data-newtext-seq="0">Howard Holton</span></a><span class="_animating_6ta1u_10" data-newtext-seq="0">, former CEO, GigaOm. Joining is</span> <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.linkedin.com/in/glickadam/"><span class= "_animating_6ta1u_10" data-newtext-seq="0">Adam Glick</span></a><span class="_animating_6ta1u_10" data-newtext-seq= "0">, CSO,</span> <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://psgequity.com/"><span class="_animating_6ta1u_10" data-newtext-seq="0">PSG Equity</span></a><span class= "_animating_6ta1u_10" data-newtext-seq="0">.</span></p> </div> <div class="_chunkWrapper_6ta1u_30"> <p class="font-claude-response-body break-words whitespace-normal"> <strong><span class="_animating_6ta1u_10" data-newtext-seq="2">In this episode:</span></strong></p> </div> <div class="_chunkWrapper_6ta1u_30"> <ul class= "[li_&]:mb-0 [li_&]:mt-1 [li_&]:gap-1 [&:not(:last-child)_ul]:pb-1 [&:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3"> <li class= "font-claude-response-body whitespace-normal break-words pl-2"> <span class="_animating_6ta1u_10" data-newtext-seq= "2">Human-in-the-loop math</span></li> <li class= "font-claude-response-body whitespace-normal break-words pl-2"> <span class="_animating_6ta1u_10" data-newtext-seq="2">Should machines decide at all</span></li> <li class= "font-claude-response-body whitespace-normal break-words pl-2"> <span class="_animating_6ta1u_10" data-newtext-seq="2">From assistant to autonomous</span></li> <li class= "font-claude-response-body whitespace-normal break-words pl-2"> <span class="_animating_6ta1u_10" data-newtext-seq="2">Redefining the security role</span></li> </ul> </div> <div class="_chunkWrapper_6ta1u_30"> <p class="font-claude-response-body break-words whitespace-normal"> <strong><span class="_animating_6ta1u_10" data-newtext-seq="2">A huge thanks to our sponsor, Palo Alto Networks</span></strong></p> <p class="font-claude-response-body break-words whitespace-normal"> <a href= "https://Humans%20Are%20Bottleneck%20in%20a%20Machine-Speed%20WorldAll%20links%20and%20images%20can%20be%20found%20on%20CISO%20SeriesWe're%20evolving%20fast%20to%20secure%20AI.%20But%20are%20we%20evolving%20fast%20enough%20to%20secure%20WITH%20AI?Check%20out%20this%20post%20by%20Rinki%20Sethi,%20CSO,%20Upwind%20Security,%20for%20the%20discussion%20that%20is%20the%20basis%20of%20our%20conversation%20on%20this%20week's%20episode%20co-hosted%20by%20me,%20David%20Spark,%20the%20producer%20of%20CISO%20Series,%20and%20Howard%20Holton,%20former%20CEO,%20GigaOm.%20Joining%20is%20Adam%20Glick,%20CSO,%20PSG%20Equity.In%20this%20episode:%20Human-in-the-loop%20math%20Should%20machines%20decide%20at%20all%20From%20assistant%20to%20autonomous%20Redefining%20the%20security%20role%20A%20huge%20thanks%20to%20our%20sponsor,%20Palo%20Alto%20Networkshttps://www.paloaltonetworks.com/cortex/cloud/demo?utm_source=cisoseriesCortex%20Cloud%20unifies%20code,%20cloud,%20and%20SOC%20on%20a%20single%20data,%20risk,%20and%20control%20plane%20%E2%80%94%20giving%20teams%20the%20context,%20workflows,%20and%20agentic%20intelligence%20to%20turn%20risk%20into%20resolution.%20Native%20AI%20agents%20investigate%20and%20act%20within%20enterprise%20guardrails,%20delivering%20real-time%20protection%20from%20workload%20to%20network%20edge.%20Cloud%20security%20that%20outpaces%20machine-speed%20threats.%20Visit%20paloaltonetworks.com/cortex/cloud."> <strong><span class="_animating_6ta1u_10" data-newtext-seq= "2"><img src="https://imgproxy.citrusreader.com/BA6YGgX005rmNdV54yN7hTo4O_YwEj6kJHM4WtN9Ogk/raw:1/aHR0cHM6Ly9hc3NldHMubGlic3luLmNvbS9zaG93LzE1NjUyNC9jb3J0ZXgtY2xvdWQtMTkyMHgzMjBfMi5qcGc" alt width="600" height="100"></span></strong></a></p> </div> <div class="_chunkWrapper_6ta1u_30"> </div> <div class="_chunkWrapper_6ta1u_30"> <p class="font-claude-response-body break-words whitespace-normal"> <span class="_animating_6ta1u_10" data-newtext-seq="0">Cortex Cloud unifies code, cloud, and SOC on a single data, risk, and control plane — giving teams the context, workflows, and agentic intelligence to turn risk into resolution. Native AI agents investigate and act within enterprise guardrails, delivering real-time protection from workload to network edge. Cloud security that outpaces machine-speed threats. Visit </span><a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href= "https://www.paloaltonetworks.com/cortex/cloud/demo?utm_source=cisoseries"><span class="_animating_6ta1u_10" data-newtext-seq= "0">paloaltonetworks.com/cortex/cloud</span></a><span class= "_animating_6ta1u_10" data-newtext-seq="0">.</span></p> </div>

2026/7/9
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Even With All These Security Vendors We Still Have Glaring Gaps

<p class="font-claude-response-body break-words whitespace-normal"> All links and images can be found on <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href= "https://cisoseries.com/even-with-all-these-security-vendors-we-still-have-glaring-gaps/"> CISO Series</a></p> <p class="font-claude-response-body break-words whitespace-normal"> There are thousands of cybersecurity vendors across categories. If there's a gap in the market, it's likely not for technical reasons. So, how do you actually find vendors that are a good fit rather than one that just meets technical requirements?</p> <p class="font-claude-response-body break-words whitespace-normal"> Check out <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href= "https://www.linkedin.com/posts/joehead1_i-have-spoken-to-97-cyber-founders-in-6-months-share-7328411176982228992-HWCL/?rcm=ACoAAAAGB-ABR5yqhAwT3wmdEjT0Znha5c_QJ6s"> this post</a> by Joe Head of REFLEX Solutions for the discussion that is the basis of our conversation on this week's episode, co-hosted by me, <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.linkedin.com/in/davidspark/">David Spark</a>, the producer of <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://cisoseries.com/">CISO Series</a>, and <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.linkedin.com/in/cisoedwardc/">Edward Contreras</a>, senior evp and CISO, <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.frostbank.com/">Frost Bank</a>. Joining us is <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://www.linkedin.com/in/ajitgirn">Ajit Girn</a>, CIO, <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href="https://edd.ca.gov/">Employment Development Department</a> (EDD).</p> <p class="font-claude-response-body break-words whitespace-normal"> <strong>In this episode:</strong></p> <ul class= "[li_&]:mb-0 [li_&]:mt-1 [li_&]:gap-1 [&:not(:last-child)_ul]:pb-1 [&:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3"> <li class= "font-claude-response-body whitespace-normal break-words pl-2"> Built for vendors, not users</li> <li class= "font-claude-response-body whitespace-normal break-words pl-2"> Signal versus noise</li> <li class= "font-claude-response-body whitespace-normal break-words pl-2"> Priced out</li> <li class= "font-claude-response-body whitespace-normal break-words pl-2">The elegance gap</li> </ul> <p class="font-claude-response-body break-words whitespace-normal"> <strong>A huge thanks to our sponsor, ThreatLocker</strong></p> <p><img src="https://imgproxy.citrusreader.com/J9pPW-e47_zL-ymPBZhuqLQnGJoOXO0eFNg2ii1MI4E/raw:1/aHR0cHM6Ly9hc3NldHMubGlic3luLmNvbS9zaG93LzE1NjUyNC9iYW5uZXItYWQtVGhyZWF0TG9ja2VyX0Npc29fQmFubmVyc182MDB4MTAwLTIwMjUwMzA1LXB4bXZiZG04b3UucG5n" alt width="601" height="100"></p> <p class="font-claude-response-body break-words whitespace-normal"> ThreatLocker takes a deny-by-default approach to endpoint security — controlling what applications can run, what can access data, and what can elevate privileges. Used by organizations that want to reduce attack surface without relying on detection alone. Learn more at <a class= "underline underline underline-offset-2 decoration-1 decoration-current/40 hover:decoration-current focus:decoration-current" href= "https://www.threatlocker.com/ciso?utm_source=ciso_series&utm_medium=podcast&utm_campaign=defense_in_depth"> threatlocker.com/ciso</a>.</p>

2026/7/2
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