SecurityThe Next Webabout 2 hours ago
Anthropic Denies Breach After Tampered Extension Hits Users
3 min read
A tampered Claude Code extension hit Cursor users for 11 hours on October 29, affecting up to 5,000 people. The malicious version 2.1.313 tried to plant an SSH backdoor and steal environment variables. Anthropic denies its systems were breached, stating a malicious actor used the official distribution channel to publish the compromised code.
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In this storyAnthropic
