Cybersecurity Headlines

Read all the stories at CISOSeries.com.
This week's Department of Know is hosted by Rich Stroffolino, with guests Brett Conlon, CISO, American Century Investments, and Nick Espinosa, host, Deep Dive Radio Show.
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, Intezer.

If you caught our tips this week, they pointed one direction: investigate everything, and keep the
evidence. That's a hard promise to make with people. It's an easy one to make with forensics that run in under a minute. Intezer. The AI SOC trusted by Salesforce, MGM Resorts and Nvidia.
See it yourself at intezer.com/headlines.

Report suggests AI and quantum threat preparedness is lacking
Authorities seize KillSec extortion group arrest leader
Dozens more prominent websites scraped by OpenAI software
Get the show notes here: https://cisoseries.com/cybersecurity-news-ai-readiness-reports-killsec-takedown-openai-website-scraping/
Huge thanks to our episode sponsor, Intezer

Today's tip: treat every false positive like a bug report against a detection rule. Fix the rule, and that noise stops coming back. Intezer does that for you, so your SOC gets quieter over time instead of louder. Intezer. The AI SOC trusted by Salesforce, MGM Resorts and Nvidia. See it yourself at intezer.com/headlines.

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.