GitHub Confirms Major Data Breach
May 21, 2026 at 04:00
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✦ AI Summary
- Over 3,800 internal repositories were compromised
- A malicious VS Code extension was the cause of the breach
- The company acted quickly to remove the threat and secure affected systems
GitHub has confirmed that approximately 3,800 internal repositories have been compromised due to a malicious extension installed by an employee in Visual Studio Code. The company has taken immediate action by removing the unnamed trojan extension from the VS Code Marketplace and ensuring the security of the affected device.
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