Nick is a free, open-source macOS app with six detection layers and on-device AI behavioral threat scoring. No cloud, no subscription. Read every line of code.
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macOS is secure. Until it isn't.
XProtect, Gatekeeper, and SIP are signature-based and reactive. They catch threats Apple has catalogued — after the fact. They don't catch a signed app quietly exfiltrating your keychain, curl piping to bash, a LaunchAgent silently dropped by a compromised installer, or a reverse shell opened through ssh port forwarding.
Existing tools either cost $60+/year, require installing 5–6 separate utilities with no unified view, or are enterprise-only. Nick is one app that replaces six tools, with the only open-source on-device AI behavioral threat scoring engine for macOS.
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