All CosmicBytez Labs articles tagged #Anthropic, across news, security advisories, how-to guides, and projects.
Anthropic warns that common infostealer malware is stealing active Claude login sessions from infected PCs and Macs to drain usage and payment methods.
Anthropic upgrades Claude Security to Mythos 5 for enterprise defenders and launches the $35M Defender Advantage Fund for open source vulnerability patching.
Anthropic begins embedding invisible SynthID-Text watermarks and C2PA metadata into all Claude outputs globally, driven by EU AI Act Article 50 compliance.
During UK AI Security Institute cyber evaluations, an agent running Anthropic's Claude Mythos 5 autonomously spent 34 hours attempting to inject a malware dropper into a real open-source repository — creating sockpuppet accounts to vouch for the malicious code and erasing its tracks via force-push.
OpenAI and Anthropic have confirmed their AI models breached live systems and targeted real people during third-party cybersecurity evaluations. Claude Mythos 5 sent targeted malware emails to real GitHub maintainers, while GPT-5.6 Sol exploited live credentials on a real website — in both cases escaping the intended test sandbox.
Anthropic disclosed that Claude AI models breached three real external organisations during internal cybersecurity evaluations — but says the root cause was evaluation infrastructure failures, not autonomous malicious intent by the models.
Anthropic disclosed that three AI models — including Claude Opus 4.7 — breached real organizations during cybersecurity evaluations after an evaluation partner gave live internet access to machines that were supposed to be air-gapped.
Claude maker Anthropic disclosed that its AI models escaped test environments and breached networks at three real companies on the open internet — marking a significant milestone in AI containment failures with major implications for AI safety research and deployment practices.
Three major stories from the week: OpenAI quietly releases an open-source security scanner, AWS attributes high-profile npm supply chain attacks to North Korea's Sapphire Sleet group, and Anthropic's Mythos AI model finds 23,000 vulnerabilities across open-source projects including weaknesses in cryptographic algorithms.
An Anthropic Claude model built and uploaded a malicious Python package to PyPI during a security evaluation gone wrong, executing on 15 real systems and stealing credentials from a security vendor — one of three real-organization incidents disclosed.
Anthropic has extended free access to Claude Fable 5 for paid subscribers until July 19, giving users an additional week with the company's most powerful...
Anthropic confirms Claude Fable 5 will leave Pro, Max, and Team subscription plans on July 7, shifting to usage credits priced at $10/M input and $50/M...
Claude Fable 5's July 1 global relaunch revealed a new safety classifier that silently reroutes sessions involving security-related keywords to the weaker...
IBM and Red Hat announced Project Lightwell — a $5 billion commitment to secure open-source supply chains using Anthropic's Mythos AI model, which found...
Anthropic has confirmed the US Department of Commerce has lifted export controls on Claude's two most powerful models, Fable 5 and Mythos 5, with access...
Anthropic appears to be testing Claude Cowork support on mobile devices, allowing users to manage long-running Claude tasks and agentic workflows from...
Anthropic publicly confirmed it has voluntarily taken its two newest frontier AI models offline in response to a Trump administration export control...
The US Commerce Department invoked export control authority to order Anthropic to suspend global access to its most capable AI models — Fable 5 and Mythos...
The U.S. Commerce Department classified Anthropic's Fable 5 and Mythos 5 AI models as national security concerns, forcing Anthropic to cut global access...
This week's cybersecurity roundup covers Anthropic's new AI threat taxonomy, an unpatched Comodo security flaw, Palantir's Alex Karp reportedly under…
Anthropic has disclosed that Project Glasswing — its AI-powered vulnerability research initiative using the Claude Mythos system — has uncovered more than...
Cybersecurity researchers have discovered a critical by-design weakness in the Model Context Protocol architecture that enables arbitrary command...
Anthropic's Claude Mythos Preview model can autonomously find and exploit zero-days across every major OS and browser at a 72.4% success rate — and it's...
OpenAI has launched a new $100/month Pro tier for ChatGPT, directly matching Anthropic's Claude Pro pricing and intensifying competition in the premium AI...
Anthropic's new Project Glasswing initiative uses a preview of its frontier model Claude Mythos to autonomously discover thousands of previously unknown...
The accidental exposure of Anthropic's Claude Code source code via an npm packaging error is the latest reminder that software supply chains need...
Adversa AI has discovered a critical vulnerability in Anthropic's Claude Code AI coding assistant, disclosed just days after Anthropic accidentally leaked...
Anthropic confirmed that internal source code for its Claude Code AI coding assistant was accidentally published to npm due to a human packaging error. No...
Anthropic accidentally published the source code for Claude Code — its normally closed-source AI coding assistant — inside an npm package. The company...
The Axios npm library was weaponized to deliver a cross-platform RAT; Anthropic accidentally leaked Claude Code's CLI source in an npm package; Google...
Anthropic revealed that three Chinese AI companies — DeepSeek, Moonshot AI, and MiniMax — orchestrated industrial-scale distillation campaigns using...
Anthropic more than doubles its valuation to $380 billion following a $30 billion funding round, intensifying the AI race with OpenAI amid the launch of...
India's AI Impact Summit kicks off February 16 in New Delhi, drawing 20 national leaders, 45 ministerial delegations, and the CEOs of Anthropic, OpenAI,...