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New XCSSET variant targets macOS devs via compromised Xcode projects

August 4, 2026 · BleepingComputer · Severity: HIGH

A new version of the XCSSET malware is targeting thousands of macOS users through compromised Xcode projects and GitHub repositories. The malware specifically targets developers by infecting their development environments.

Key Takeaways

  • A new XCSSET malware variant targets macOS developers via compromised Xcode projects.
  • The malware spreads through infected GitHub repositories and Xcode project files.
  • Thousands of macOS users are at risk from this latest XCSSET campaign.
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