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 ...

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, ...

For seven days in May 2026, tens of thousands of organizations running Palo Alto Networks firewalls had no vendor-supplied ...

Do you feel secure when you open your laptop? But do you know what makes using your PC and browsing the internet so safe? Today, we’ll talk about a firewall – a basic but important part of any ...

If you're ignoring or have disabled Windows Firewall, you might be missing out on some good, basic protections that are easy to set up and maintain. Windows Firewall has been enabled by default since ...

Firewall-builder SonicWall has patched a total of 11 Common Vulnerabilities and Exposures (CVEs) disclosed in its SonicOS operating system by researchers at Positive Technologies, one of which has ...

If you see the message Security or firewall might be blocking the connection following completion of Windows Network Diagnostics to determine what’s causing internet or network connection issues on ...

Firewalls scan data sent to your computer for malware and attempt to block files or other data they deem suspicious. Like ...

The human firewall is a critical element in the ongoing – and many would say escalating – fight against cyber criminals. Building one is dependent on several elements, but it starts with a robust ...

BOSTON - Hackers could crack email systems, security firewalls and possibly mobile phones through the "Heartbleed" computer bug, according to security experts who warned on Thursday that the risks ...