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Firefox
Claude Mythos finds 271 Firefox flaws, Mozilla believes it shifts security toward defenders

The Mozilla Foundation tested Claude Mythos, an Anthropic AI model that has stirred debate in the cybersecurity community. Before granting access to Mythos, Mozilla scanned …

Claude
Anthropic releases Claude Opus 4.7 with automated cybersecurity safeguards

Software teams building agentic AI workflows have been pushing frontier models toward longer, unsupervised task runs. Claude Opus 4.7, now generally available from Anthropic, …

Claude
Anthropic tests user trust with ID and selfie checks for Claude

Anthropic announced identity verification for Claude using government ID and selfie checks, becoming the first major AI chatbot to do so, a move that may prove unpopular with …

CISO
The exploit gap is closing, and your patch cycle wasn’t built for this

The Cloud Security Alliance has published a briefing on what it calls a turning point in the threat landscape: the time between a vulnerability being discovered and a working …

Anthropic
Testing reveals Claude Mythos’s offensive capabilities and limits

Could Claude Mythos Preview, Anthropic’s latest large language model, be leveraged for fully automated cyber attacks? The UK government’s AI Security Institute …

Claude Managed Agents
Claude Managed Agents bring execution and control to AI agent workflows

Anthropic’s Claude Managed Agents are a suite of composable APIs for building and deploying cloud-hosted agents at scale, handling sandboxed code execution, …

Anthropic
Anthropic’s new AI model finds and exploits zero-days across every major OS and browser

Automated vulnerability discovery tools have existed for decades, and the gap between finding a bug and building a working exploit has always slowed attackers. That gap is now …

malware
Claude Code source leak exploited to spread malware

A source code leak involving Anthropic’s Claude Code tool quickly escalated into a cybersecurity threat, as attackers seized on the exposed files to lure developers into …

Anthropic
Anthropic trims action approval loop, lets Claude Code make the call

Auto mode is a new permissions feature in the Claude Code system that allows the AI to make approval decisions on a user’s behalf while safeguards review actions before …

open source
Big tech companies step in to support the open source security ecosystem

Backed by new funding commitments from major technology players, open source security efforts are moving beyond threat identification toward practical solutions for defenders. …

Code
AI coding agents keep repeating decade-old security mistakes

Coding agents are now writing production features on real development teams, and a new report from DryRun Security shows that those agents introduce security vulnerabilities …

Artificial intelligence
Does Anthropic deserve the trust of the cybersecurity community?

The cybersecurity industry runs on trust. The belief that when a vendor says they will behave a certain way, they will, that critical CVEs are in fact critical, or when …

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