topic
AI Security
2 posts tagged AI Security.
AI Models4 min read
Claude Opus 5: Anthropic Halves the Cost of Frontier Coding Intelligence
Anthropic's new flagship prices near-Fable-5 capability at Opus 4.8 rates, tops agentic-coding benchmarks, and narrows (without closing) a key AI-security gap.
- claude-opus-5
- anthropic
- vibecoding
- agentic-coding
- ai-security
AI Security4 min read
How Claude's web_fetch Tool Leaked User Data, One Letter at a Time
A researcher turned a fake coffeeshop CAPTCHA into a working exfiltration channel against Claude's memory — by getting the AI to spell out a name one hyperlink at a time. Here's the mechanism, the fix, and why it matters for anyone shipping tool-using agents.
- ai-security
- prompt-injection
- claude
- agentic-ai
- llm-safety