I Tested 3 Approaches to AI Agent Security: Hardware, Classifiers, and Passports. Here's What Actually Works.

Pause for a second and think. When Ledger announces hardware security for AI agents, the crypto world pays attention. When GitHub releases a classifier that blocks harmful agent actions, developers download it. When APort builds agent passports for 6 months, we get questions about why we're not using hardware or classifiers. Yesterday, Ledger published their 2026 AI security roadmap. Two days ago, GitHub's "Agent Action Guard" hit Hacker News. Today, I'm running all three approaches against th...