Designing AI agents to resist prompt injectionOpenAI News / Mar 11, 2026社会的工学を前提とする設計source-sink 分析で脅威定義危険な送信はユーザー確認prompt-injectionsocial-engineeringsource-sinksafe-urlsandboxingagent-security
OpenAI to acquire PromptfooOpenAI News / Mar 9, 2026Promptfoo integrated into OpenAI FrontierNative automated security & red‑teamingOpen-source Promptfoo CLI maintainedsecurity-testingred-teamingagent-securitycomplianceopen-sourcefrontierllm-evaluation