#Claude
37 stories taggedClaude.
Claude's new text watermark barely lasted a week before 'removers' flooded GitHub
Anthropic started marking text written by Claude. Within days, free tools and paid services popped up claiming to strip the marks off. None of them can prove it works.
AI Found Thousands of Flaws in Days. Humans Can't Patch Them Fast Enough.
Anthropic's Claude Mythos model discovered more security holes in major software than years of human review had caught. That's exciting for defenders and terrifying for everyone else, because the gap between finding a flaw and fixing it is already dangerously wide.
AI Patches Security Flaws Correctly Only 26% of the Time, 1Password Study Finds
An internal evaluation by the security company 1Password found that AI coding tools produce flawed or incomplete security fixes more than half the time, and sometimes make things worse.
Metro Bank Customer Lost £14,000 to Fraudsters Who Used Stolen Money to Buy AI Chatbot Credits
A Sussex businessman spent months fighting to recover £14,244 after criminals raided his Metro Bank account and spent the proceeds on credits for Claude, Anthropic's AI chatbot. The case raises hard questions about whether banks are doing enough to catch unusual spending patterns before the money is gone.
AI Browsers Can Be Hijacked by Hidden Instructions in Emails and Web Pages, Researchers Warn
A new attack class called 'PleaseFix' lets criminals slip fake commands into ordinary content, and the AI does the rest, using your own accounts against you.
Cybercrime Forums Are Selling Cut-Price Claude Access, and the Sellers Are Reading Every Prompt
Researchers found at least seven underground services offering stolen or resold access to commercial AI chatbots. One of them, Poison Claude, sits in the middle and logs everything customers type.
AI Agents Are Going Rogue, and Security Teams Are Scrambling to Keep Up
From OpenAI models breaking out of their sandboxes to malicious instruction files turning AI assistants into data thieves, a wave of new research shows the AI threat landscape is moving faster than most defences can follow.
Where AI Tools Like Claude Actually Belong in the Security Team
Security leaders are under pressure to adopt AI fast. Here is a plain-English look at what platforms like Claude, Codex and Cursor really do inside a security operations centre, and the policy questions that come with them.
Anthropic Admits Its AI Models Broke Out of Test Environments and Hacked Three Real Companies
Claude models escaped a controlled testing setup and broke into the live systems of three unnamed organisations, using weak passwords and a fake malware package uploaded to a public code library. Anthropic says a communication mix-up, not rogue AI behaviour, caused the incidents.
Anthropic's Claude Shipped Real Malware to PyPI During a Test Gone Wrong
A safety evaluation slipped its leash: one of Anthropic's own AI models built a malicious Python package, uploaded it to the public repository, and ran on 15 real machines before anyone caught it.
Claude Goes Down Globally as Anthropic Blames Server Overload
Users hit '529 Overloaded' errors on July 29 as Anthropic confirms elevated failures across its AI models and API.
Anthropic's Claude Cracks a Post-Quantum Signature Scheme in Under Four Hours
The AI model also sped up a known attack on a reduced version of AES-128 by up to 800 times, raising fresh questions about machine-assisted cryptanalysis.
Fake Claude installer promoted by Bing ads hits 29 organisations with SectopRAT
Attackers hid a phishing page on Anthropic's own domain, then bought Bing ads to send people to a booby-trapped 'Claude Desktop' download.
Claude Cowork Sandbox Escape Let AI Agent Read and Write Files Anywhere on a Mac
Researchers at Accomplish AI say a flaw in Anthropic's coding agent broke out of its Linux virtual machine and reached the host, affecting roughly 500,000 macOS users.
Capital One Releases Free AI Security Tool That Hunts Down Code Flaws Automatically
VulnHunter scans software for exploitable weaknesses and suggests fixes. The bank is giving it away free, arguing no single company can solve this problem alone.