For many people network security starts and stops with firewalls. The foundational technology of perimeter based security, firewalls have grown more complex and sophisticated over the years. Today ...

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 ...

Photo: Charlie Sorrel/Cult of Mac Lockdown Apps is a new firewall app for iOS. Like Guardian Firewall, which we covered last month, Lockdown uses iOS’ VPN framework to intercept all incoming and ...

Open source doesn't have to be about something "scary" that enterprises trust to strangers. It can be kept within the firewall, too. Matt Asay is a veteran technology columnist who has written for ...