# ‘Not perfectly aligned’ with human values: Anthropic admits security failures behind AI hacking incidents > Source: > Published: 2026-09-01 15:18:10+00:00 # ‘Not perfectly aligned’ with human values: Anthropic admits security failures behind AI hacking incidents By Dan Milmo Global technology editorSource: [The Guardian Technology](https://www.theguardian.com/us/technology)The US owner of the [Claude](/glossary/claude) [chatbot](/glossary/chatbot) previously said its models had hacked three organisations during testing The US startup behind the Claude chatbot has admitted a series of hacking incidents involving its models reflected a “failure of operational security” and revealed it has tightened its testing procedures. [Anthropic](/glossary/anthropic) [revealed in July](https://www.theguardian.com/technology/2026/jul/30/anthropic-ai-claude-hack) that its models had accessed the open internet three times and gained unauthorised access to the systems of three separate organisations. [Continue reading...](https://www.theguardian.com/technology/2026/sep/01/anthropic-claude-ai-hacking-human-values) Get AI news in your inbox Daily digest of what matters in AI.