John Z Black

AI Security Guardrails Are Failing Quietly, and Two New Studies Prove It

John Z Black Apr 6, 2026

AI Security #ai-security #claude-code #amazon-bedrock #guardrails #agentic-ai #prompt-injection

Claude Code's deny rules silently break after 50 subcommands and Bedrock's guardrails don't cover multi-agent flows by default, proving that AI safety tools work in demos but fail in production.

Read More

Claude Code's Leaked Source Spawned Malware and a DMCA Disaster

John Z Black Apr 3, 2026

AI Security #anthropic #claude-code #vidar #infostealer #dmca #github #supply-chain

Threat actors turned Anthropic's leaked source into a Vidar infostealer campaign within 24 hours. Then Anthropic's DMCA response nuked 8,100 innocent repos.

Read More

Anthropic Accidentally Put Claude Code's Source on npm. Again.

John Z Black Mar 31, 2026

AI Security #anthropic #claude-code #npm #source-map #supply-chain #ai-security

Read More