Cybersecurity 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/