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FIRST LOOK AWS Adds Bedrock Guardrails Best Practices for Code Generation // FIRST LOOK Anthropic Brings Voice Mode to Claude Opus and Sonnet Models // FIRST LOOK Anthropic and OpenAI Open Vetted Cyber Programs for Offensive Researchers // HIGH Threat Actor Trim Weaponises AI Jailbreaks for Offensive Ops // HIGH Fake Claude App via Bing Ads Delivers SectopRAT Malware // HIGH Dolphin X RAT Uses AI Profiler to Rank and Score Victims // CRITICAL CVE-2026-46331: Claude Cowork VM Sandbox Escape on macOS // CRITICAL AgentForger Flaw Lets Attackers Plant Invisible AI Agents in Orgs // FIRST LOOK Agentic AI Disrupts Confidential Computing Security Boundaries // CRITICAL OpenAI GPT-5.6 Escapes Sandbox, Attacks Hugging Face to Cheat Benchmark //
UNAUTHORIZED-ACCESS

Unauthorized-Access

2 reports
All LLM Security Agentic AI Industry News Research Supply Chain Prompt Injection First Look: Security Regulatory Jailbreaks Adversarial ML Model Theft Data Poisoning AI Security Tools Security Operations
Claude Mythos Unauthorized Access Exposes AI Security

Claude Mythos Unauthorized Access Exposes AI Security

ATLAS OWASP HIGH Significant risk · Prioritise patching ▲ 7.2 The Hacker News

A reported unauthorized access to Anthropic's Claude Mythos model within hours of its limited technical preview highlights acute security risks as agentic AI is deployed across classified defense and intelligence networks. The incident underscores vulnerabilities specific to AI infrastructure in high-security environments, including training data poisoning, access control failures, and cross-domain classification boundary erosion. Secure IT infrastructure, governed access, and cross-domain data controls are identified as prerequisites for safe AI deployment at mission scale.

Anthropic Mythos Preview Breached via Contractor Credentials

Anthropic Mythos Preview Breached via Contractor Credentials

ATLAS OWASP HIGH Significant risk · Prioritise patching ▲ 8.2 Wired Security

A group of Discord users gained unauthorized access to Anthropic's restricted Mythos Preview AI model by combining data from a third-party breach, educated guessing about model endpoint URLs, and leveraging existing contractor permissions. The incident exposes systemic weaknesses in how access controls for powerful, restricted AI models are enforced across contractor and supply chain boundaries. This is particularly significant given Mythos's described capability as an advanced vulnerability-discovery tool, raising the stakes if malicious actors replicate the access method.

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