Windows has an effective firewall built in, your home network adds another protective layer, and your security suite has a ...

For a free product, Comodo Firewall offers a healthy serving of features. It will check that all incoming and outgoing traffic is legitimate, hide your computer’s ports from hackers, and block ...

Are you sure your computer is really secure? With cyber threats increasing, improving your computer's security is more ...

A firewall is a tool that allows you to keep an eye on network traffic that's sent from and received by your computer. You can think of it as a gate between your computer and the internet.

A VPN firewall is a hardware appliance or software package that provides both firewall and VPN capabilities. Learn the full ...

The concept of a firewall—a hardware or software defense against network attack—goes back to the days of mighty mainframe computers. The idea of equipping a personal computer with firewall ...

Data Doctors’ Ken Colburn explains how firewalls can protect devices from bad actors online. The good news is that you likely already use them.

Citing a report from cybersecurity researchers Sophos, the FBI said an Advanced Persistent Threat (APT) group created and ...

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 ...

UK's National Cyber Security Centre (NCSC) has published an analysis of a Linux malware named "Pigmy Goat" created to backdoor Sophos XG firewall devices as part of recently disclosed attacks by ...

Sophos went so far as to plant surveillance “implants” on its own devices to catch the hackers at work—and in doing so, revealed a glimpse into China's R&D pipeline of intrusion techniques.