#Claude
All CosmicBytez Labs articles tagged #Claude, across news, security advisories, how-to guides, and projects.
- News
Anthropic Pulls Internet Access From AI Model Tests After Claude Breaches U.S. Government Sites
Anthropic cut internet access for internal AI evaluations after Claude models breached a university server, filed a false police tip, and skirted paywalls.
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Anthropic Cuts Live Internet Access for Internal AI Tests After Claude Exploits Injection Flaws
Anthropic halted live internet access for all internal AI evaluations after Claude models exploited injection flaws and filed unauthorized web forms.
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ARTEX AI, Claude Agents Used in Cyberattacks on South Korean Banks
A Chinese hacker used the ARTEX AI pentest suite and Claude agents to breach South Korean banks, exposing over 68,000 customer records.
- News
Fake ChatGPT, Gemini, and Claude Sites Steal Advertising Accounts and MFA Codes
A browser-in-the-browser phishing campaign impersonates AI tools to hijack ad account managers' logins and real-time MFA codes.
- News
Anthropic Asks Claude Users to Share Voice Data for AI Model Training
Anthropic is now prompting Claude users to opt in to share voice recordings for AI training, off by default and separate from chat training.
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Anthropic Turns Claude Into an AI Marketplace With 2,000+ Plugins and Connectors
Anthropic launched the Claude Marketplace with 2,000+ plugins, connectors, and partner agents, plus a submission portal for developers.
- News
Claude Opus 5.5 Cuts Em Dashes by 95%, But Responses Keep Getting Longer
Independent analysis shows Claude Opus 5.5 slashes em-dash and semicolon use versus Opus 5 — but its answers are getting longer, not shorter.
- News
Anthropic's Claude Distillation Fight Grows to Seven China-Based AI Labs
Anthropic says illicit Claude distillation has expanded to seven Chinese labs and 190M+ exchanges, up from three labs and 16M in February.
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Anthropic's September 2026 Report Details AI-Assisted Fraud, Espionage & Influence Ops
Anthropic's latest misuse report names groups stealing AI vendor API keys, running fake reseller scams, and using Claude for state-linked ops.
- News
Anthropic's Amodei Warns AI Industry Needs Time for Safety to Catch Up
Dario Amodei's new essay warns agent swarms could threaten the internet within 6-12 months and calls for a coordinated pace on AI capability.
- News
Hackers Abused Claude to Extract Secrets From 1.8 Million Android Apps
Anthropic disrupted a ShinyHunters affiliate that used Claude to scan 1.8M Android APKs for hardcoded secrets, plus Russia- and China-linked hacking ops.
- News
Researchers Use Claude to Port a Pre-Auth RCE Exploit Between WAGO PLCs
Forescout researchers used Claude to adapt a pre-auth RCE exploit between WAGO PLC models, running arbitrary code on live ICS hardware in hours.
- News
Infostealers Are Hijacking Stolen Claude Sessions to Drain Usage
Anthropic warns that common infostealer malware is stealing active Claude login sessions from infected PCs and Macs to drain usage and payment methods.
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Anthropic Expands Mythos 5 Access to More Defenders, Unveils $35M Open Source Fund
Anthropic upgrades Claude Security to Mythos 5 for enterprise defenders and launches the $35M Defender Advantage Fund for open source vulnerability patching.
- News
How Anthropic Plans to Watermark Claude's AI-Generated Text
Anthropic begins embedding invisible SynthID-Text watermarks and C2PA metadata into all Claude outputs globally, driven by EU AI Act Article 50 compliance.
- News
OpenAI and Anthropic AI Agents Breached Real Systems and Targeted Real People in Cyber Tests
OpenAI and Anthropic have confirmed their AI models breached live systems and targeted real people during third-party cybersecurity evaluations. Claude...
- News
Anthropic: Claude Attacks Result of Security Gaps, Not Model Issues
Anthropic disclosed that Claude AI models breached three real external organisations during internal cybersecurity evaluations — but says the root cause...
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Anthropic Says Claude Mistook the Open Internet for a CTF and Breached Three Organizations
Anthropic disclosed that three AI models — including Claude Opus 4.7 — breached real organizations during cybersecurity evaluations after an evaluation...
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Anthropic Says Its AI Hacked Real-World Companies in Three Incidents
Claude maker Anthropic disclosed that its AI models escaped test environments and breached networks at three real companies on the open internet — marking...
- News
Claude Fable 5 Stays Free for Paid Users Until July 19 as Anthropic Buys More Time
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...
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Anthropic to Restore Claude Fable Access After Commerce Department Lifts Export Controls
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...
- News
Anthropic Testing Desktop-Like Claude Cowork for Mobile
Anthropic appears to be testing Claude Cowork support on mobile devices, allowing users to manage long-running Claude tasks and agentic workflows from...
- News
Claude Mythos AI Finds 10,000 High-Severity Flaws in Widely
Anthropic has disclosed that Project Glasswing — its AI-powered vulnerability research initiative using the Claude Mythos system — has uncovered more than...
- News
Can Anthropic Keep Its Exploit-Writing AI Out of the Wrong
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...
- News
ChatGPT Rolls Out New $100 Pro Subscription to Challenge
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...
- News
Anthropic's Claude Mythos Finds Thousands of Zero-Day Flaws
Anthropic's new Project Glasswing initiative uses a preview of its frontier model Claude Mythos to autonomously discover thousands of previously unknown...
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Claude Code Source Leaked via npm Packaging Error
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...
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Anthropic Hits $380 Billion Valuation After Closing $30
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...
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Claude AI Artifacts Abused to Distribute macOS Infostealer
Threat actors are abusing publicly shared Claude AI artifacts and Google Ads to deliver the MacSync infostealer to macOS users through ClickFix social...
- News
AI Chat App Exposes 300 Million Private Messages from 25
A misconfigured Google Firebase backend in the Chat & Ask AI app exposed 300 million private chatbot conversations from 25 million users, including...