AI Security Roundup

Daily AI security roundup covering malware, vulnerabilities, defensive research, cloud risk, and incident response signals from trusted technical sources.

ai-security EN

Using AI for Weapons Development

Using AI for Weapons Development Last week, Anthropic released a long and detailed document describing current misuses of their Claude models. I’m still reading it, but I wanted to flag this: > We …

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Microsoft’s Patching

Microsoft’s Patching Once a month, Microsoft pushes a security update to all Windows users. Tomorrow’s is a new record : > Microsoft’s patch for September is a doozy, with a record number of …

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Upcoming Speaking Engagements

Upcoming Speaking Engagements This is a current list of where and when I am scheduled to speak: I’m speaking online (via Zoom) at a League of Women Voters event on Tuesday, September 22, 2026 at 5 PM …

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On the NSA’s Supercomputer from the 1960s

On the NSA’s Supercomputer from the 1960s Really interesting story about Harvest, a specialized code breaking computer built in the 1960s by IBM for the NSA. Tags: history of computing , history of …

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25 Years of Mass Surveillance Is Enough

25 Years of Mass Surveillance Is Enough This essay was written with Cindy Cohn, and originally appeared in Lawfare . One of the many legacies of the terrorist attacks of Sept. 11 is the …

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Threat Intelligence Alone Won't Close the Exploitation Gap

** The Hacker News ** Sep 16, 2026 Threat Intelligence / Security Validation A leaked credential shows up in a criminal marketplace, or a vulnerability gets a disclosure advisory, and either one can …

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Fake CAPTCHA Scams

Fake CAPTCHA Scams New variant of an old scam: Use the framing of a CAPTCHA to get an unsuspecting user to download and run a malicious program. Tags: captchas , scams Posted on September 16, 2026 at …

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numbat - AI agent observability, (Fri, Sep 4th)

Internet Storm Center Sign In Sign Up Handler on Duty: Johannes Ullrich Threat Level: green Homepage Diaries Podcasts Jobs Data TCP/UDP Port Activity Port Trends SSH/Telnet Scanning Activity Weblogs …

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September 2026 Microsoft Patch Tuesday, (Tue, Sep 8th)

Internet Storm Center Sign In Sign Up Handler on Duty: Johannes Ullrich Threat Level: green Homepage Diaries Podcasts Jobs Data TCP/UDP Port Activity Port Trends SSH/Telnet Scanning Activity Weblogs …

ai-security EN

Scans for Proxmox Servers, (Wed, Sep 9th)

About a week ago, Proxmox published an advisory revealing a vulnerability in older versions of Proxmox VE, its flagship Virtual Environment product. The vulnerability only affects version 7, which has …

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VMs won't contain cyber-capable agents

As part of Patch the Planet , we received preview access to GPT 5.6-Cyber with a simple task: evaluate its cyber capabilities. Recent events inspired me to give it a challenge to work through: escape …