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Anthropic
Anthropic expands Project Glasswing to 150 organizations in more than 15 countries

Anthropic is expanding Project Glasswing, its cybersecurity initiative built around the Claude Mythos Preview model, by adding about 150 organizations following several weeks …

Claude
Anthropic launches Claude Opus 4.8, prepares Mythos-class models for all customers

Anthropic has released Claude Opus 4.8 and outlined plans for broader access to its Mythos-class models, which the company expects to make available to all customers in the …

key
Frontier AI models collapse under multi-turn AI attacks, Cisco finds

Attackers who probe large language models rarely give up after one refusal. They reframe, build context across turns, adopt personas, and escalate gradually. New research from …

Claude
Claude now reviews and fixes vulnerabilities as you write code

Anthropic introduced a security-guidance plugin for Claude Code that reviews code changes for common vulnerabilities and helps Claude identify and fix issues during the same …

Anthropic
Anthropic: Claude Mythos identified 10,000+ software flaws

Anthropic and its Project Glasswing partners have identified more than 10,000 high- or critical-severity vulnerabilities in critical software systems, the company announced in …

Anthropic
Anthropic adds 28 security and compliance integrations for Claude

AI tools are becoming part of everyday work in organizations, creating new security and oversight requirements as usage grows. To address that, Anthropic introduced 28 …

AI
AI cyber capability is speeding past earlier projections

AI cyber capability is improving faster than expected, with newer models surpassing earlier projections, according to the UK government’s AI Security Institute (AISI). AISI …

Patch Tuesday
May 2026 Patch Tuesday forecast: AI starts driving security industry changes

Microsoft May 2026 Patch Tuesday is now live: Many fixes, but no zero-days Project Glasswing. This is one of three major security industry changes I’ll cover today. The …

Claude Firefox
What Mozilla learned running an AI security bug hunting pipeline on Firefox

Over the past several months, Mozilla ran an agentic harness powered by Claude Mythos Preview across Firefox’s source code, identifying 271 security bugs that were fixed …

button
One keypress is all it takes to compromise four AI coding tools

Developers clone unfamiliar repositories all the time. Open-source projects, work from teammates, sample code from a tutorial, a library someone recommended on a forum. The …

Claude
Claude Security enters public beta with Opus 4.7 vulnerability scanning and patching

Claude Security, previously called Claude Code Security, is in public beta for Claude Enterprise customers. Available in Claude.ai, the capability scans codebases for security …

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 …

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