Computer networks and the internet are now a necessary part of our daily lives. It has become so much a part of our lives that now, criminal activity has extended into this realm. Security Software Companies address all kinds of security issues. Some offer services and products for securing computers and computer networks from virus, bugs, and hacking while others make programs that are used for real world security applications, like biometric scanning or database creation for the use of law enforcement. There are just so many business models out there for these kinds of firms.