Gemini prompt injection flaw exposes calendar info, hacker admits to Supreme Court data leak, researchers uncover PDFSIDER malware

UK and China try to ease cyberattack tensions Iranian state TV hijacked VoidLink malware is AI-generated Huge thanks to our sponsor, Dropzone AI Remember yesterday's 2 AM alert? Here's how it ends differently with Dropzone AI. The alert fires. Within minutes, not hours, their AI SOC agents have already correlated logs across your entire security stack, built a complete evidence chain, and delivered a verdict. False positive, or escalate immediately. Your analyst wakes up to answers, not a queue. That's autonomous investigation at enterprise scale. Experience it for yourself at dropzone.ai.

Gemini prompt injection flaw exposes calendar info Hacker admits to leaking stolen Supreme Court data Researchers uncover PDFSIDER malware Huge thanks to our sponsor, Dropzone AI It's 2 AM. An alert fires. Possible data exfiltration. Your on-call analyst is three time zones away, half-asleep, context-switching between tools. By the time they piece together the evidence, forty-five minutes have passed. Was it a real threat or another false positive? The clock is ticking. Tomorrow, I'll tell you how 300 enterprises solved this exact problem. But if you can't wait, head over to dropzone.ai to learn more. 

Link to episode page This week's Department of Know is hosted by Sarah Lane with guests Dmitriy Sokolovskiy, senior vice president, information security, Semrush, and Nick Espinosa, host, The Deep Dive Radio Show Thanks to our show sponsor, Dropzone AI How many alerts did your SOC investigate last week? How many sat in the queue untouched? If you don't know those numbers, or you don't like them, Dropzone AI can help. They've helped enterprises like UiPath and Zapier handle ten times more alerts without adding headcount. Their AI SOC agents work around the clock, investigating every alert autonomously. Book a demo and they'll show you exactly how many hours you could recover. Head over to dropzone.ai and request your demo today. All links and the video of this episode can be found on CISO Series.com

Cybercom-NSA leadership nominee to assess dual-hat role Two-thirds of third-party applications access sensitive data without justification, says report GhostPoster browser extensions up to 840,000 installs Huge thanks to our sponsor, Dropzone AI Here's a security tip most vendors won't tell you. Your SOC analysts aren't slow. They're drowning. The average enterprise faces tens of thousands of alerts daily, and even your best analysts can only investigate so many before burnout wins. Dropzone AI changes that math. Their AI SOC agents autonomously investigate every alert, no playbooks or code required, in three to ten minutes flat. Stop triaging. Start defending. Book a demo at dropzone.ai. Find the stories behind the headlines at CISOseries.com.

Jen Easterly to helm RSAC Windows January update causes login problems UK police blame Copilot for intelligence mistake Thanks to our episode sponsor, ThreatLocker Want real Zero Trust training? Zero Trust World 2026 delivers hands-on labs and workshops that show CISOs exactly how to implement and maintain Zero Trust in real environments. Join us March 4–6 in Orlando, plus a live CISO Series episode on March 6. Get $200 off with ZTWCISO26 at ztw.com. Find the stories behind the headlines at CISOseries.com.  

U.S. weighs private companies' cyberwarfare roles China: stop using US and Israeli cybersecurity software DeadLock uses smart contracts to hide work Thanks to our episode sponsor, ThreatLocker Want real Zero Trust training? Zero Trust World 2026 delivers hands-on labs and workshops that show CISOs exactly how to implement and maintain Zero Trust in real environments. Join us March 4–6 in Orlando, plus a live CISO Series episode on March 6. Get $200 off with ZTWCISO26 at ztw.com.  

GoBruteforcer targets blockchain projects Android accessibility issue just a bug Verizon to stop automatic phone unlocks Thanks to our episode sponsor, ThreatLocker Want real Zero Trust training? Zero Trust World 2026 delivers hands-on labs and workshops that show CISOs exactly how to implement and maintain Zero Trust in real environments. Join us March 4–6 in Orlando, plus a live CISO Series episode on March 6. Get $200 off with ZTWCISO26 at ztw.com.  

Instagram denies breach post-data leak Sweden detains consultant suspected of spying n8n supply chain attack steals OAuth tokens Thanks to our episode sponsor, ThreatLocker Want real Zero Trust training? Zero Trust World 2026 delivers hands-on labs and workshops that show CISOs exactly how to implement and maintain Zero Trust in real environments. Join us March 4–6 in Orlando, plus a live CISO Series episode on March 6. Get $200 off with ZTWCISO26 at ztw.com.  

Link to episode page This week's Department of Know is hosted by Rich Stroffolino with guests Johna Till Johnson, CEO and Founder, Nemertes (check out the Nemertes substack) and Jason Shockey, CISO, Cenlar FSB. Jason will be speaking at MBA Servicing Solution26 in Texas in late February. Details here. Thanks to our show sponsor, ThreatLocker Want real Zero Trust training? Zero Trust World 2026 delivers hands-on labs and workshops that show CISOs exactly how to implement and maintain Zero Trust in real environments. Join us March 4–6 in Orlando, plus a live CISO Series episode on March 6. Get $200 off with ZTWCISO26 at ztw.com. All links and the video of this episode can be found on CISO Series.com 

BreachForums hacking forum database leaked exposing 324,000 accounts Instagram breach exposes user data, creates password reset panic UK government exempts self from flagship cyber law Thanks to our episode sponsor, ThreatLocker Want real Zero Trust training? Zero Trust World 2026 delivers hands-on labs and workshops that show CISOs exactly how to implement and maintain Zero Trust in real environments. Join us March 4–6 in Orlando, plus a live CISO Series episode on March 6. Get $200 off with ZTWCISO26 at ztw.com. Find the stories behind the headlines at CISOseries.com.