Putting one's computer on lockdown isn't a bad idea, and this handy little application can help users do just that. Essentially, the application sets off an alarm if someone attempts to use your Mac, and prevents the system from being muted or put to sleep. Users can also customize its detection feature by activating the computer's motion or keyboard sensors. This version is compatible with...

This handy little application is designed to protect users' DSL or cable-connected PC from hackers. This edition of Zone Alarm includes four security services: a firewall, an application control, an Internet lock, and zones. All told, these four services allow users to control which traffic enters their computer and afford individuals the ability to monitor all activity on their computer as well....

One potential use for the home computer is as a monitoring device, whether it be to check in on a child in another room or to keep an eye out for potential intruders into the home. ZoneMinder 1.21.2 allows visitors to do just that, and also to capture various images recorded with the use of one or more cameras attached to their computer. Users can also choose to be notified by email when the...