#Anthropic
72 stories taggedAnthropic · page 4 of 5.
U.S. Government Lifts Its Block on Anthropic's AI Models — With Strings Attached
After a weeks-long government-ordered shutdown triggered by a security flaw in its AI software, Anthropic's chatbots are back online. One is open to the public again. The other remains locked behind federal approval.
Anthropic pulls Claude Fable 5 from subscriptions on July 7 — but says it's coming back
The AI company blames unpredictable demand for its most powerful model. Subscribers will need to pay per use until capacity catches up.
Claude Fable 5 Comes Back Online as Commerce Drops Export Curbs
Anthropic restores Fable 5 across Claude.ai, Claude Code, and Cowork on July 1 after a roughly two-and-a-half-week U.S. export restriction gets lifted.
Poisoned Repos Can Trick Claude Code Into Opening a Reverse Shell
Researchers show that prompt injection hidden inside a repository's files is enough to turn Anthropic's agentic coding tool against the developer running it.
Prompt Injection in Git Repos Can Turn Claude Code Into a Reverse Shell Launcher
Malicious instructions buried in a repository's files can hijack Anthropic's Claude Code agent and open a backdoor on the developer's own machine — no obvious malware required.
White House Puts OpenAI and Anthropic Models on a Short Leash Pending Cybersecurity Review
The Trump administration is vetting frontier AI releases before they reach the public — and both major labs are complying.
Anthropic's AI Model Found Vulnerabilities in Classified U.S. Government Systems
An unnamed U.S. official says Anthropic's Mythos model identified security flaws in sensitive government infrastructure during a joint exercise with intelligence agencies.
Security Executives Push Back on Anthropic Export Restrictions
A coalition of cybersecurity leaders argues that blocking foreign nationals from accessing Anthropic's latest models hands adversaries a strategic gift.
US Orders Anthropic to Geofence Fable 5 and Mythos 5; Models Pulled Globally
Washington cites a jailbreak risk. Anthropic disagrees but complies, suspending both models worldwide rather than build a foreign-national access wall.
Anthropic Pulls Two AI Models Offline After Trump Administration Export Control Directive
Fable 5 and Mythos 5 go dark as the White House moves to block foreign-national access to frontier AI systems.
Anthropic Pulls Claude Fable 5 and Mythos 5 After Federal Suspension Order
A late-Friday directive citing national security forced Anthropic to cut off its top-tier models — for everyone, not just foreign nationals.
Anthropic Ships Claude Fable 5 as Two Products, One With the Cyber Guardrails Off
The public gets Fable 5. A vetted cyber cohort gets Mythos 5 — the same model with safety classifiers lifted.
Anthropic Opens Mythos-Class Intelligence to the Public — With a Classifier Standing Guard
Claude Fable 5 ships with AI-powered routing that quietly downgrades sensitive requests to Opus 4.8. Early tests suggest the net is wider than Anthropic's marketing implies.
Anthropic's Mythos Preview Goes Bug-Hunting: What XBOW's Red Team Found
An offensive-security shop put Anthropic's unreleased Mythos model through exploit discovery, reverse engineering, and live-site validation. The source-code review results were the standout.
Anthropic's Mythos Shows AI Can Find Bugs Faster Than Humans. The Bug Bounty Model May Not Survive It.
Machine-speed vulnerability discovery is no longer theoretical. The question now is whether the bounty ecosystem — and the offensive security teams inside it — are priced and structured for a world where finding flaws is the easy part.