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Updated on Nov. 28, 2025

Ever wonder what malware macOS can detect and remove without help from third-party software? Apple continuously adds new malware detection rules to Mac’s built-in XProtect suite. While most rule names (signatures) are obfuscated, with a bit of reversing engineering, security researchers can map them to their common industry names.

In this updated Thanksgiving edition of Security Bite, I revisit a story I started working on in May of 2024. Because Apple is continuously adding new modules to its XProtect suite to combat the latest malware trends, I suspect this column will continue to update over time. Here’s what malware your Mac can detect and remove on its own: