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Security & Privacy

Firewalls, malware scanners and persistence monitors · 5 tools

BlockBlock

Free macOS tool that alerts you in real time whenever something tries to install itself persistently.

KnockKnock

Free macOS tool that scans for persistent software hiding in your system.

LuLu

Free, open-source firewall that alerts you when any app tries to connect to the internet.

Malwarebytes

Free malware scanner for Mac that finds and removes adware, spyware, and malicious software.

RadioSilence

A lightweight Mac firewall that blocks any app from making outbound connections — no pop-ups, no menu bar clutter, just quiet network control for $9.

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