# Anthropic finds 94 cases where open-source projects drop security controls without warning

> Source: <https://www.helpnetsecurity.com/2026/10/22/anthropic-attack-surface-reduction-open-source/>
> Published: 2026-10-22 09:10:55+00:00

Software can expose complex functionality to unauthenticated users even when that functionality is disabled or unnecessary. Anthropic’s Frontier Red Team used Claude to examine 25 open-source projects and reported 493 issues involving unnecessary exposure, conflicting settings, and code running before security checks. Attack surface reduction means limiting the parts of software an attacker can reach. Instead of waiting to discover a vulnerability, developers can restrict access to unnecessary features or move security checks ahead of … [More](https://www.helpnetsecurity.com/2026/10/22/anthropic-attack-surface-reduction-open-source/) 

The post [Anthropic finds 94 cases where open-source projects drop security controls without warning](https://www.helpnetsecurity.com/2026/10/22/anthropic-attack-surface-reduction-open-source/) appeared first on [Help Net Security](https://www.helpnetsecurity.com).