Does the Windows firewall protect your computer sufficiently? What contribution does your router make -- and who needs additional security software? This article explains.

Firewalls can be combined with an intrusion prevention system (IPS) and sometimes a VPN. Firewall Capabilities We’ve established that a firewall prevents malicious attacks.

Bill Cheswick will deny that he invented computer firewalls, but it’s what the modest computer security researcher is really known for. He literally wrote the book on it in 1994. Chesiwck ...

Most likely, your firewall is installed as a program on your computer. But there are also hardware firewalls that plugin between your computer and internet router.

Firewalls are software programs that can be used to detect if someone is trying to access files on your computer. A firewall blocks out any unauthorized traffic as well as permits authorized ...

Web applications protect your Web assets from attack. We examine the market for Web application firewalls and recommend the best available.