Anthropic alignment and security update

Everything Fervor AI has published that touches Anthropic alignment and security update — 2 pieces, newest first.

• Anthropic Now Asks Evaluators to Stop Telling Models What Their Environment Is

  A statement about the environment is a claim the model will test against evidence, so Anthropic now asks evaluators to phrase agent boundaries as instructions the model…

• Briefing · September 1, 2026 · morning

  Four separate releases in 48 hours all rebuild the same layer, the boundary around an agent, and all four start from the assumption that the boundary will be crossed…