Claude Code Reduces Indirect Prompt Injection to Near Zero, Auto Mode Becomes Default

FinanceYF5 · x · 2026-08-10

Boris Cherny revealed that Claude Code has successfully reduced the risk of indirect prompt injection attacks to near zero by combining model training, input probing, and intent classifiers. This defense remains effective even against unseen attacks.

Building on this security foundation, Anthropic announced that Auto Mode will become the default for Claude Code on Pro, Max, and Team plans starting next week, enabling longer-running autonomous work.

Related event: Claude Code to Enable Auto Mode by Default Next Week(4 posts)→

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