Sep 30, 2026
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
Sep 29, 2026
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
Sep 28, 2026
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...
Sep 25, 2026
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...
Sep 25, 2026
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...