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Gemini 4 starts with cybersecurity MI5 flags Chinese research funding Custom GPTs steer users into ClickFix attacks Get the show notes here: https://cisoseries.com/cybersecurity-news-october-1-2026/ Huge thanks to our episode sponsor, Intezer Today's tip: add up the hours your tier-one analysts spent closing alerts that turned out to be nothing. That's your real triage cost. At a hundred and fifty enterprises, that work isn't done by hand. Intezer investigates every alert. Intezer. The AI SOC trusted by Salesforce, MGM Resorts and Nvidia. See it yourself at intezer.com/headlines.

Microsoft details new Star Blizzard and NeedyMantis activity Cloudflare to become a public certificate authority Safety concerns scuttle GPT-6.1 Get the show notes here: https://cisoseries.com/cybersecurity-news-star-blizzard-cloudflare-ca-gpt-6-1-scuttled/  Huge thanks to our episode sponsor, Intezer Today's tip: when an AI calls an alert benign, ask for the evidence. The file, the memory, the command line. If it can't show its work, it's guessing. Intezer shows its work, and your team can argue with it. Intezer. The AI SOC trusted by Salesforce, MGM Resorts and Nvidia. See it yourself at intezer.com/headlines.

GPT-6 Astra goes off script in attack simulations Dutch police arrest "reformed" hacker in ShinyHunters probe Nvidia builds a browser for AI agents Get the show notes here: https://cisoseries.com/cybersecurity-news-september-29-2026/ Huge thanks to our episode sponsor, Intezer Today's tip: time how long an employee-reported phish waits for a verdict. If it's a day, someone already clicked. Salesforce's incident response team got that down to minutes with Intezer. At their size, one click is plenty. Intezer. The AI SOC trusted by Salesforce, MGM Resorts and Nvidia. See it yourself at intezer.com/headlines.

Another Microsoft SharePoint flaw now exploited Details and doubts emerge regarding OpenAI hack of Australian Health portal Kiteworks urges customers to stop using platform Get the show notes here: https://cisoseries.com/cybersecurity-news-new-sharepoint-exploit-australian-openai-hack-developments-kiteworks-urges-stoppage/ Huge thanks to our episode sponsor, Intezer Today's tip: pull your low-severity alerts and count how many got opened. That's where attackers hide. Intezer investigates every alert, boring ones included, in under a minute. MGM Resorts' CTO has talked about nation-state threats turning up right there. Intezer. The AI SOC trusted by Salesforce, MGM Resorts and Nvidia. See it yourself at intezer.com/headlines.

Read all the stories at CISOSeries.com. This week's Department of Know is hosted by Rich Stroffolino, with guests Dmitriy Sokolovskiy, senior vice president, information security, Semrush, and Christian Frösch, CISO, CH Media. Missed the live show? Check it out on YouTube. The Department of Know is live every Friday at 4:00 p.m. ET. Join us each week by registering for the open discussion at CISOSeries.com. Big thanks to our sponsor, Nudge Security. Nudge Security now includes AI Agent Discovery, in addition to Day One discovery of every other AI and SaaS app. For each agent, you'll see who created it, what it's connected to, and risks like destructive permissions. And, smart automation helps you engage the right person to fix the risk.

OpenAI program hacks Australia's government health portal Astrana Health suffers data breach Ransomware gangs exploiting TeamCity flaw Get the show notes here: https://cisoseries.com/cybersecurity-news-september-25-2026/ Huge thanks to our episode sponsor, Nudge Security Here's a question that might make you sweat…how many AI agents are running in your org right now? Not sure? You're not alone. But, we have good news. Nudge Security now includes AI Agent Discovery, in addition to Day One discovery of every other AI and SaaS app. For each agent, you'll see who built it, what it's connected to, and risks like destructive permissions. And, Nudge gives you smart automation to engage the right person to fix the risk. No chasing people down for answers. Give it a try for free at nudgesecurity.com/cisoseries

ShinyHunters peeks at FBI assignments WordPress flaw wastes no time Pentagon's cyber appetite grows Get the show notes here: https://cisoseries.com/cybersecurity-news-september-24-2026/ Huge thanks to our episode sponsor, Nudge Security Here's a question that might make you sweat…how many AI agents are running in your org right now? Not sure? You're not alone. But, we have good news. Nudge Security now includes AI Agent Discovery, in addition to Day One discovery of every other AI and SaaS app. For each agent, you'll see who built it, what it's connected to, and risks like destructive permissions. And, Nudge gives you smart automation to engage the right person to fix the risk. No chasing people down for answers. Give it a try for free at nudgesecurity.com/cisoseries

Cisco releases open-source CAIRN framework Muse zero-day opens the door to account takeovers Microsoft can't wake up from Nightmare Eclipse Get the show notes here: https://cisoseries.com/cybersecurity-news-cairn-framework-muse-zero-day-bigdiskbuster/  Huge thanks to our episode sponsor, Nudge Security Here's a question that might make you sweat…how many AI agents are running in your org right now? Not sure? You're not alone. But, we have good news. Nudge Security now includes AI Agent Discovery, in addition to Day One discovery of every other AI and SaaS app. For each agent, you'll see who built it, what it's connected to, and risks like destructive permissions. And, Nudge gives you smart automation to engage the right person to fix the risk. No chasing people down for answers. Give it a try for free at nudgesecurity.com/cisoseries

ShinyHunters hijacks Clop's own leak site Fake LastPass installers kill security tools Trusted npm release carries GHAPPIER malware Huge thanks to our episode sponsor, Nudge Security Here's a question that might make you sweat…how many AI agents are running in your org right now? Not sure? You're not alone. But, we have good news. Nudge Security now includes AI Agent Discovery, in addition to Day One discovery of every other AI and SaaS app. For each agent, you'll see who built it, what it's connected to, and risks like destructive permissions. And, Nudge gives you smart automation to engage the right person to fix the risk. No chasing people down for answers. Give it a try for free at nudgesecurity.com/cisoseries Get the show notes here: https://cisoseries.com/cybersecurity-news-september-22-2026/

Researchers escape OpenAI Codex sandbox to run commands on host AI Force proposed to monitor technology Congress eyes new support for Cyber Command after recent suicide deaths Get the show notes here: https://cisoseries.com/cybersecurity-news-openai-codex-sandbox-escape-president-proposes-ai-force-cyber-command-suicides/ Huge thanks to our episode sponsor, Nudge Security Here's a question that might make you sweat…how many AI agents are running in your org right now? Not sure? You're not alone. But, we have good news. Nudge Security now includes AI Agent Discovery, in addition to Day One discovery of every other AI and SaaS app. For each agent, you'll see who built it, what it's connected to, and risks like destructive permissions. And, Nudge gives you smart automation to engage the right person to fix the risk. No chasing people down for answers. Give it a try for free at nudgesecurity.com/cisoseries

Read the full stories at CISOSeries.com. This week's Department of Know is hosted by Sarah Lane, with guests Jason Thomas, senior director of technology security, governance, and risk at the Cystic Fibrosis Foundation, and Jay Wilson, CISO and CIO at Insurity. Missed the live show? Check it out on YouTube. The Department of Know is live every Friday at 4:00 p.m. ET. Join us each week by registering for the open discussion at CISOSeries.com. Big thanks to our sponsor, Vanta Risk and regulation ramping up—and customers expect proof of security just to do business. Vanta's automation brings compliance, risk, and customer trust together on one AI-powered platform. So whether you're prepping for a SOC 2 or running an enterprise GRC program, Vanta keeps you secure—and keeps your deals moving. Learn more at vanta.com/ciso.

Nuclear-style safeguards proposed for AI risks Key lawmaker suggests action on AI safety legislation will wait until 2027 CISA releases cyber decoy guidance for infrastructure defenses Get the show notes here: https://cisoseries.com/cybersecurity-news-september-18-2026/ Huge thanks to our episode sponsor, Vanta Risk and regulation ramping up—and customers expect proof of security just to do business. Vanta's automation brings compliance, risk, and customer trust together on one AI-powered platform. So whether you're prepping for a SOC 2 or running an enterprise GRC program, Vanta keeps you secure—and keeps your deals moving. Learn more at vanta.com/ciso.

Flock gets plucked OpenAI agents arrived early China's AI spy shop Get the show notes here: https://cisoseries.com/cybersecurity-news-september-17-2026/ Huge thanks to our episode sponsor, Vanta Risk and regulation ramping up—and customers expect proof of security just to do business. Vanta's automation brings compliance, risk, and customer trust together on one AI-powered platform. So whether you're prepping for a SOC 2 or running an enterprise GRC program, Vanta keeps you secure—and keeps your deals moving. Learn more at vanta.com/ciso.

Cisco zero-day goes straight to root BambooToken branches into Linux CenterPoint breach claim hits 7M+ Get the show notes here: https://cisoseries.com/cybersecurity-news-september-16-2026/ Huge thanks to our episode sponsor, Vanta Risk and regulation are ramping up, and customers expect proof of security just to do business. Vanta's automation brings compliance, risk, and customer trust together on one AI-powered platform. So whether you're prepping for a SOC 2 or running an enterprise GRC program, Vanta keeps you secure and keeps your deals moving. Learn more at vanta.com/ciso.

China hits fast-forward on AI security Hacking Cat shows its claws Vite servers spill cloud secrets Get the show notes here: https://cisoseries.com/cybersecurity-news-september-15-2026/ Huge thanks to our episode sponsor, Vanta Risk and regulation are ramping up—and customers expect proof of security just to do business. Vanta's automation brings compliance, risk, and customer trust together on one AI-powered platform. So whether you're prepping for a SOC 2 or running an enterprise GRC program, Vanta keeps you secure—and keeps your deals moving. Learn more at vanta.com/ciso.