Image created with gemini-3.1-flash-image-preview with claude-opus-4.7. Image prompt: Using the provided reference images, keep the authentic Sonoran Desert trail setting with saguaro, volcanic rock, and bright Arizona valley vista, and the weathered brown-post McDowell-style sign with ranger typography — but change the sign header to bold ‘SECURITY’ with fictional trail entries like ‘Patch Notes Ridge ← 1.2 mi’ and ‘Zero-Day Wash → 3.4 mi,’ replace the medallion with a small padlock badge, and add a single alert raven perched on a boulder beside the sign post, photorealistic midday light.
White House Considers Vetting A.I. Models Before They Are Released – The New York Times
https://www.nytimes.com/2026/05/04/technology/trump-ai-models.html
With the help of Claude Mythos Preview, the Firefox team fixed more security bugs in April than in the past 15 months combined.
https://x.com/alexalbert__/status/2052468573516513762
Meta-Backed Scale AI Wins $500 Million Defense Department Deal – Bloomberg
https://www.bloomberg.com/news/articles/2026-05-06/meta-backed-scale-ai-wins-500-million-defense-department-deal
Pentagon strikes AI deals for classified military use – The Washington Post
https://www.washingtonpost.com/technology/2026/05/01/pentagon-ai-deals-microsoft-amazon-google-classified-military/
Today, the @DeptofWar entered into agreements with SEVEN of the world’s leading frontier AI model and infrastructure companies to deploy frontier capabilities on the Department’s classified networks: • SpaceX • OpenAI • Google • NVIDIA • Reflection • Microsoft • Amazon
https://x.com/DoWCTO/status/2050175912134561977
Mythos seems to be a very capable model based on available information, but it is not a cybersecurity model – it is an advanced general purpose model that happens to be good at cyber because it is good at a bunch of things. Anthropic stated that they were worried about
https://x.com/emollick/status/2049690406586044835
A very worthwhile substack (written by @natalia__coelho ) article that focuses particularly on Claude Mythos and GPT-5.5 cyber. tl;dr according to the analysis, GPT-5.5 is basically tied with Claude Mythos Preview on cyber capabilities, and may even be more cost-efficient;
https://x.com/kimmonismus/status/2052040471829004627
Behind the Scenes Hardening Firefox with Claude Mythos Preview – Mozilla Hacks – the Web developer blog
Behind the Scenes Hardening Firefox with Claude Mythos Preview
Our security bug bounty program is now public on HackerOne. We’ve run the program privately within the security research community, and their findings have strengthened our products. Now anyone can report vulnerabilities and get rewarded. Read more:
https://x.com/AnthropicAI/status/2052466175540629965
Now available for ChatGPT accounts: Advanced Account Security, a new opt-in setting for people at higher risk of digital attacks, with stronger protections including phishing-resistant sign-in and more secure account recovery.
https://x.com/OpenAI/status/2049902506881462613
we’re starting rollout of GPT-5.5-Cyber, a frontier cybersecurity model, to critical cyber defenders in the next few days. we will work with the entire ecosystem and the government to figure out trusted access for cyber; we want to rapidly help secure companies/infrastructure.
https://x.com/sama/status/2049712078836170843
On March 31, a malicious axios version shipped with a hidden dependency on an impersonator package. Devin Review flagged it for customers in under an hour, before the attack was publicly known.
https://x.com/cognition/status/2051708731671331171
Security remediation is an engineering capacity problem. AI has collapsed the time to exploit, but defensive tools haven’t kept up. Today we’re introducing Devin for Security: a set of workflows for reducing security debt, securing every release, and accelerating response
https://x.com/cognition/status/2051708729880416614
Leave a Reply