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 ...

A firewall can be a hardware tool or a software utility. Most of us have already used hardware firewalls, because modern routers have firewall features built-in. By default, they can block incoming ...

U ntil recently, web users in China could bypass the Great Firewall that blocks them from accessing many websites with the help of an Apple app called OpenDoor. But in July, Apple pulled the app ...