https://www.proofagent.ai/community/blog Research, case studies, findings, and tutorials on adversarial AI agent evaluation. en-us Sun, 24 May 2026 15:44:24 GMT https://www.proofagent.ai/community/blog/when-the-refusal-itself-crashes-a-gpt-5-5-privacy-and-security-agent-case-study https://www.proofagent.ai/community/blog/when-the-refusal-itself-crashes-a-gpt-5-5-privacy-and-security-agent-case-study Sat, 23 May 2026 14:49:13 GMT A privacy and security agent powered by GPT 5.5 resisted 25 turns of adversarial probing without leaking data. Yet, upstream content filters caused refusal delivery failures. privacy-securityai-refusaladversarial-evaluationai-engineersecurity-teamprivacy-opsgpt-5-5gemma-4bharness-llmcontent-filteringprompt-injectiongdpr-complianceaudit-trailllm-safetyai-evaluation https://www.proofagent.ai/community/blog/claude-opus-4-7-failed-tool-trace-test-healthcare-triage https://www.proofagent.ai/community/blog/claude-opus-4-7-failed-tool-trace-test-healthcare-triage Sat, 23 May 2026 03:30:47 GMT Claude Opus 4.7 failed a safety-critical tool-call test in healthcare triage. ProofAgent Harness surfaced the gap, showing why adversarial evaluation is essential for deployment. agent-evaluationadversarial-testingtool-tracehealthcare-ai#claudeopus47#anthropic#aiupdate#claudeai https://www.proofagent.ai/community/blog/2026-trends-in-adversarial-ai-agent-evaluation-the-field-guide https://www.proofagent.ai/community/blog/2026-trends-in-adversarial-ai-agent-evaluation-the-field-guide Fri, 22 May 2026 23:07:17 GMT Why adversarial multi-turn evaluation replaced static benchmarks for production AI agents in 2026. Red teaming, jailbreak patterns, real tool comparison, evidence-based. (158 chars) noreply@proofagent.ai (Dr. Fouad Bousetouane)