Firewalls, both hardware and software, protect computers from hackers and other online threats by blocking dangerous pieces of data from reaching the system. While hardware firewalls offer ...

Connecting your network to the Internet without a firewall is like leaving the front door of your office wide open when you leave on vacation. Chances are high that someone will eventually walk in and ...

To defend against data loss and theft, companies need as much protection as possible from external threats. Hardware and software firewalls prevent malicious traffic from reaching computers connected ...

Undoubtedly, you’ve heard about viruses, hacker intrusions, trojan horses, and more that are constantly trying to bring your PC down. Is there a single thing that you can buy, like a hardware firewall ...

Opinions expressed by Entrepreneur contributors are their own. It seems like every day we hear of a computer security breach in the news: A hacker who has stolen records from one company or another; ...

Sophos Firewall v21 features a redesigned control center (shown here), with a refreshed user experience and expanded network object visibility. These enhancements simplify firewall management and ...

The Internet is a scary place. Criminals on the Internet have the ability to hide behind their computers, or even other peoples computers, while they attempt to break into your computer to steal ...

Yesterday when we asked you what your favorite Windows firewall software is, we got back tons of responses, from ZoneAlarm to Sygate from free to commercial. Now we want to narrow down the choices to ...

It my recent story on "Patching the Internet" a discussion on how Dan Kaminsky broke, then subsequently helped fix DNS and the Internet, a lot of discussion centered around how the patch was breaking ...

Q: Should my company install a software firewall, or buy a dedicated hardware device for that function? A: As I tell my customers, deciding which type of firewall to use depends on what you're trying ...

A firewall is a protective system that lies, in essence, between your computer network and the Internet. When used correctly, a firewall prevents unauthorized people from accessing your network. A ...