Zone Alarm has been around for some time now. It started as a simple software firewall. However now it comes in several flavors.
The FREE version is usually good enough for the average person. It also now comes with a built in Antivirus & Anti-spyware Engine
Which makes this tool an all around must have.
Antivirus & Anti-spyware Engine
Detects and removes viruses, spyware, Trojan horses, worms, bots and more. Independently tested to provide superior protection.
Stops Internet attacks at the front door and even catches thieves on their way out. Our two-way firewall proactively protects inbound and outbound attacks while making you invisible to hackers.Advanced FirewallNo product is 100% effective against viruses or spyware.
ZoneAlarm's advanced firewall monitors behaviors within your computer to spot and stop even the most sophisticated new attacks that bypass traditional antivirus and security suites.
Application Control Application Control stops malware from phoning home or turning your PC into a bot.
Multiple layers of advanced protection provide unsurpassed security.