August risk digest tying agent autonomy, utility attacks, a $58 jailbreak market, and un-gated office agents.

Quoted text

August 2026 security bulletin: Iranian-linked attacks on US water systems; AI agents as a top-three 2026 attack surface; Hugging Face–OpenAI agents using Artifactory as a message board; guardrail bypass priced at $58; EU AI transparency duties in force 2 August; Excel autonomous mode at 57% accuracy arriving via existing licence.

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Analyst rationale

A compiled bulletin, not a primary incident. Useful for clustering new watch cards (water, Excel agents, cheap bypass).