TL:DR; Lock My PC Free Edition is a good and free alternative to standard Win+L Windows lock.
Lock My PC Free Edition is a good and free alternative to standard Win+L Windows lock. Use it every time when you leave your computer unattended.
USB Block lets you protect your PC from data loss. Prevent duplication of your data to External Drives, USB Ports, Flash Disks, or data getting burned to a CD/DVD. Block unwanted devices by all means necessary.
GFI WebMonitor for ISA Server lets you to control your Internet users? browsing habits through web categorization&web filtering. Also monitor downloads in real-time, to protect your network from viruses, spyware, malware&phishing attacks.
Find out who opens your files over network. The program generates screen, sound, and e-mail notifications on connections to your network shares. It writes a log file with information on remote user name, files and folders viewed, date, access type.