本期汇总 2026-03-15 当周来自 OpenAI News 的 3 条更新。内容为信源标题与摘要的客观转述，完整信息请点原文链接。
1. Designing AI agents to resist prompt injection
- 来源：OpenAI News（原文日期 2026-03-11）
- 分类：技术更新
- 原文：https://openai.com/index/designing-agents-to-resist-prompt-injection
How ChatGPT defends against prompt injection and social engineering by constraining risky actions and protecting sensitive data in agent workflows.
2. From model to agent: Equipping the Responses API with a computer environment
- 来源：OpenAI News（原文日期 2026-03-11）
- 分类：产品发布
- 原文：https://openai.com/index/equip-responses-api-computer-environment
How OpenAI built an agent runtime using the Responses API, shell tool, and hosted containers to run secure, scalable agents with files, tools, and state.
3. Rakuten fixes issues twice as fast with Codex
- 来源：OpenAI News（原文日期 2026-03-11）
- 分类：产品发布
- 原文：https://openai.com/index/rakuten
原文标题如上，详情见来源链接。