Quarantine attribute removal via xattr to bypass Gatekeeper

Ankit Mehta@Secvyn

•updated Sep 4, 2026•0•0•1

Detects attempts to remove the 'com.apple.quarantine' extended attribute from files on macOS using the 'xattr -d' command. This is a common technique used to bypass Gatekeeper's execution restrictions on downloaded files, allowing untrusted applications to run without security warnings.