Unverified50% confidenceSolutionExact time
The first line of defense is to treat all content from external channels such as Issues, PRs, and comments as untrusted content rather than instructions to be executed by default.
1
Sources
50%
Confidence
Long-term
Relevance
9/12/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedDefense strategies against system prompt leakage include adding meta-instructions, output-layer filtering, moving sensitive logic to the code layer, and input preprocessing, but no single solution provides perfect protection.70% similarUnverifiedA large portion of system prompts is typically dedicated to setting safety guardrails, including refusing to generate harmful content, avoiding dangerous operation instructions, protecting privacy, and preventing jailbreak attacks.69% similarPartially VerifiedIndirect prompt injection attacks plant hidden instructions within normal business data to induce Agents into executing unauthorized operations, representing a security risk at the semantic level rather than the code level.67% similarUnverifiedThe second line of defense is to tighten the pre-trusted/pre-allowed tool or network egress whitelist, restricting the external addresses the agent can access and the sensitive tools it can automatically invoke.66% similarUnverifiedExisting Agent security defenses almost entirely focus on preventing direct disclosure, while neglecting behavioral inference through legitimate interactions.65% similar
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