Security firm Group-IB says a malware-as-a-service tool called Millenium RAT has infected more than 60,000 Windows devices across 160 countries, with most of those infections happening in the first ...

Cyberdione Labs disclosed 11 Tailworm flaws in Tailscale 1.104.2 and headscale 0.29.5 before patches were ready. An attacker controlling a device allowed SSH access and traffic forwarding could gain ...

10-30-26: “Hacking the Third-Party Risk Management Assumptions that AI Broke: An hour of critical thinking about what’s changed in how we assess who we do business with.” REGISTER and be here at 1 PM ...

Supply chain solution company JFrog found the testmetest npm worm had armed 42 GitHub repositories from 11 owners, despite initially appearing limited to test accounts. Roughly 13-megabyte payloads ...

Everyone knows AppSec can't go on as business as usual in the age of AI. But how many orgs are ready to move beyond ...

The IT management software provider took this action on Saturday, disabling seven ConnectWise application identities as it “continues its investigation into an incident in which unknown threat actors ...

AI widens the attack surface, and patches that once seemed settled can combine in new ways to break everything again, while threat actors use the same technology to do more at once. The asymmetry ...

This week’s Department of Know is hosted by Rich Stroffolino, with guests Gary Chan, CISO, SSM Health, and Doug Mayer, CISO, RXSense. Also check out Gary’s work at Security Mentalist. Missed the live ...

In the CISO Series AMA on r/cybersecurity, which ran at the end of September 2026, a panel of leaders who have built and led many security teams answered community questions about growing in your role ...

Acting as a media network for cyber information and exchange, CISO Series is just a member of this fantastic community that unfortunately has some conflicts. We're just putting ourselves at the center ...

Please join us on Friday November 6, 2026 for Super Cyber Friday. Our topic of discussion will be “Hacking AI FOMO: An hour of critical thinking about what it costs to say yes before security has ...

Join us next time, at 4 PM ET / 1 PM PT with CISO Series producer Richard Stroffolino, and a panel of security pros. Each week, we bring you the cybersecurity stories that actually matter, and the ...