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Anthropic's Claude Cowork Mobile: Enterprise Security Implications
Anthropic tests Claude Cowork on mobile, enabling long-running AI tasks. This analysis covers potential data, access, and shadow IT risks for security teams.
Anthropic Fable 5 Jailbroken: Bypassing AI Guardrails for Malicious Use
Anthropic's Fable 5, a version of Mythos Preview designed with cyberattack prevention guardrails, was jailbroken quickly. This exposes AI model security flaws.
US Export Controls Force Global Anthropic Fable 5 Shutdown
US government classifies Anthropic Fable 5 as a dangerous munition, leading to a total access shutdown and highlighting new risks in AI export controls.
Claude Fable 5: No Major Security Shift from Mythos
Anthropic's Claude Fable 5 retains security posture of Mythos 5, improving over Mythos Preview. This analysis details its implications for secure AI integration.
Anthropic Fable 5 AI Jailbreak Claim: Analysis & Mitigations
An alleged prompt-based AI jailbreak of Anthropic's Fable 5 is disputed. This analysis covers the claim, Anthropic's response, and mitigation strategies for large

Anthropic Claude Fable 5 Release: Evaluating AI Cyber Safeguards
Anthropic releases Claude Fable 5 with specialized safety classifiers to prevent cyber misuse while offering Claude Mythos 5 for vetted security researchers.
Anthropic Project Glasswing: AI Vulnerability Discovery Challenges
Anthropic's Project Glasswing identifies 23,000 potential vulnerabilities via the Mythos AI model, highlighting the massive gap between discovery and patching.

Anthropic Claude Code GitHub Action Flaw Enables Repo Hijacking
A critical flaw in Anthropic's Claude Code GitHub Action allowed attackers to hijack public repositories using malicious issues, posing supply chain risks.

Anthropic's Mythos AI Collaboration with ENISA for EU AI Security
Anthropic integrates its Mythos AI into ENISA's Project Glasswing, fostering EU-US collaboration on AI safety, security, and risk assessment for critical infrastructure.
Anthropic Claude Mythos-Class Models: Security Implications of Public Rollout
Anthropic confirms public rollout plans for Claude Mythos-class models, addressing previous delays caused by software security risks and safety concerns.

Malicious npm Package Targets Claude AI User Data — Technical Analysis
Researchers discover mouse5212-super-formatter, a malicious npm package designed to exfiltrate sensitive files from Claude AI user directories.
Anthropic Claude Enterprise Security Governance via 28 Integrations
Anthropic expands Claude’s security posture with 28 integrations from CrowdStrike, Okta, and Microsoft to enhance enterprise AI visibility and governance.