Monitor data usage or block apps from the net entirely, all in a couple of clicks.

Free Mac app LuLu allows you to control which apps can access the internet, adding an extra layer of security. LuLu's open-source approach provides a transparent approach to app security, and it even ...

Firewalls act as gatekeepers that regulate data flow between internal and external networks based on security rules, while antivirus tools detect malicious activity in a computer or network system ...