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#Anthropic

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INFO
Threat Intel

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.

Runtime Rebel Intel
4 min read·Jun 26, 2026
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MEDIUM
Threat Intel

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.

Runtime Rebel Intel
4 min read·Jun 23, 2026
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MEDIUM
Threat Intel

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.

Runtime Rebel Intel
4 min read·Jun 20, 2026
TH
INFO
Threat Intel

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.

Runtime Rebel Intel
4 min read·Jun 12, 2026
TH
INFO
Threat Intel

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

Runtime Rebel Intel
4 min read·Jun 12, 2026
Anthropic Claude Fable 5 Release: Evaluating AI Cyber Safeguards
INFO
Threat Intel

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.

Runtime Rebel Intel
4 min read·Jun 10, 2026
VU
INFO
Vulnerabilities

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.

Runtime Rebel Intel
4 min read·Jun 8, 2026
Anthropic Claude Code GitHub Action Flaw Enables Repo Hijacking
CRITICAL
Supply Chain

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.

Runtime Rebel Intel
3 min read·Jun 4, 2026
Anthropic's Mythos AI Collaboration with ENISA for EU AI Security
INFO
Threat Intel

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.

Runtime Rebel Intel
4 min read·Jun 2, 2026
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MEDIUM
Threat Intel

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.

Runtime Rebel Intel
3 min read·May 29, 2026
Malicious npm Package Targets Claude AI User Data — Technical Analysis
HIGH
Supply Chain

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.

Runtime Rebel Intel
3 min read·May 27, 2026
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INFO
Cloud Security

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.

Runtime Rebel Intel
3 min read·May 26, 2026