When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...

Personal firewalls are very ingenious little pieces of software or hardware that protect machines (or in some cases – small networks) from attacks. Two specific implementation situations exist in the ...

A firewall is a device that protects you from a possibly hostile network by monitoring and restricting TCP/IP communications based on the policies that you set. The device is traditionally dedicated ...

It’s tough enough defending the IT perimeter against spyware, viruses, worms and unauthorized intrusions. But no matter how good their defenses are, companies still risk getting hurt by those they ...

A firewall is often an organization's first line of defense against malware and viruses penetrating their network; without an active firewall, connected computers are exposed to a multitude of ...

The firewall is one of the most important security features in a computer environment. In the classic sense, a firewall is set up on an appliance, such as a computer that fulfills just a single, ...

A firewall is a key cybersecurity feature for protecting a home or office network from malware and other online threats. There are distinct forms and types of firewalls, and some are considered more ...

Other things have changed, too. Today, standalone firewall products are more the exception than the rule. I took a look at five major firewalls on the market today, and almost everything that came my ...

Hackers are now targeting individual Internet users and their unprotected home computers for nefarious purposes, such as launching denial-of-service attacks. This makes firewall protection for any ...

Norton Personal Firewall 3.0.3 (NPF) is a friendly app that’s easy to configure and protects your computer from unauthorized access by keeping an eye on incoming network traffic. NPF supersedes ...