Agent firewalls are the wrong abstraction

Dangerous agent actions are better constrained with permissions and sandboxing than inferred after the fact by an AI runtime security layer

My current advice on AI agent security is to avoid these agent firewalls / ai runtime security products. If an action is dangerous enough that you can identify it from the action itself, then you could have prevented it with permissions an
Ranked #2 on backlist 2026-06-07 (07 Jun 2026 UTC) · by (Zack Korman) ·

How it ranks: Backlist reads my Twitter/X timeline, scores every tweet for substance with an LLM rubric (not engagement), and publishes the daily top picks with a one-line takeaway. Curated by Surya Dantuluri.