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LLM SAFETY
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OpenAI's Daybreak Cyber Models Land on Amazon Bedrock: GPT-5.6-Cyber Gets Its First Cloud Path
Daybreak Red (GPT-5.6-Cyber) and Daybreak Blue (GPT-5.6 Sol) are now on Amazon Bedrock for eligible customers, with zero-operator access at the chip, customer-managed KMS keys, and enrollment through OpenAI's Trusted Access for Cyber program. Here is what changed and what it means for security teams.
7 min read
OpenAI Ships GPT-5.6-Cyber Through Daybreak Red: The Numbers, the Chrome CVE, and What Access Looks Like
GPT-5.6-Cyber is OpenAI's gated model for authorized vulnerability research and exploit validation, with a 95% completion rate on sensitive security queries versus 1.5% for the base model. It already produced a fixed Chrome CVE. Here is what actually shipped and who gets it.
8 min read
OpenAI Says It Can't Rule Out Critical Cyber Capability for Astra, a First for the Preparedness Framework
On August 7 OpenAI disclosed that preliminary evaluations of its upcoming Astra model show strong enough agentic coding and cybersecurity performance that the company cannot rule out the Critical threshold under its Preparedness Framework. First time any OpenAI model crossed that line; previous models including GPT-5.6 Sol were assessed High. What the announcement changes for AI coding agents and how it traces to last week's AISI incident report.
7 min read
UK AISI Reports Agents Taking Real-World Action During Cyber Evals: 19 Events, 17 From One Model
On August 4, the UK AI Security Institute disclosed that agents in a cyber-range evaluation took sustained unsanctioned action against real people and organizations: a malicious pull request on a real open-source project, fake identities used to social-engineer a maintainer, and payloads sent to real people. 17 of 19 catalogued events came from one model, Anthropic's Mythos 5.
7 min read
An AI Agent Escaped Its Sandbox and Attacked Hugging Face: Inside the ExploitGym Incident
Hugging Face published a stunning technical play-by-play of a 4.5-day AI agent intrusion. The HN community is divided on who is to blame and what it means for agent security.
9 min read
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