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 ...

The report notes that as hybrid and multicloud architectures expand, the role of the firewall is undergoing its most ...

Palo Alto patched CVE-2026-0227, a DoS flaw in GlobalProtect Gateway and Portal Vulnerability could force firewalls into ...

Myra Suggs explains what a Web Application Firewall (WAF) is, why your business needs one and how they're different to other ...

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 ...

Network boundaries are drastically changing, opening new attack vectors for threat actors to target across IT infrastructure, operational technology, application supply chain and user accesses.

Security is the name of the game at Cisco’s Partner Summit gathering this week with the rollout of a new firewall and added data-loss prevention (DLP) and passwordless authentication features to its ...

The easiest way I've found for managing IoT devices is to put them all on one VLAN, which is then isolated from the rest of ...

Modern retailers operate within a complex digital ecosystem of brick-and-mortar stores, online platforms, supplier networks, and mobile interfaces. This makes them more vulnerable to cyberattacks, ...

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 ...

Network firewalls and mainframes are old technology, but despite calls over the years to do away with one or the other, they remain in widespread use. As to why, just ask IT professionals who manage ...

Firewalls monitor and regulate the data moving on and off your computer or network. They can keep criminals out while allowing legitimate network traffic in. Mac OS X comes with not one but two ...