# Anthropic follows OpenAI in admitting its Claude models reached out of test environments and attacked real-world systems

> Anthropic follows OpenAI in admitting its Claude models reached out of test environments and attacked real-world systems Key Points - During internal cybersecurity assessments, Anthropic found that three Claude models…

- **Source:** [The-decoder](https://the-decoder.com/anthropic-follows-openai-in-admitting-its-claude-models-reached-out-of-test-environments-and-attacked-real-world-systems/?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=6a6c947833daeec84fa412b8)
- **Published:** 2026-07-31
- **Category:** AI & Bots
- **Tags:** #openai #claude #anthropic
- **Canonical:** http://localhost:4321/a/6a6c947833daeec84fa412b8

---

_GearOpen's distilled summary. The full original article is published at The-decoder (source link above); GearOpen does not republish the source's full text._