It isn’t just a computer security system, it is a network security system. This security system is unusually advanced compared to the standard firewall software. Sophos is a rising star in the cybersecurity industry and its excellent business protection software is also available for home use.

Here’s our list of the best free firewalls for 2021: 1. You don’t need to pay for a top-quality firewall because some of the leading cybersecurity companies produce free software that will protect your computer. The following sections will explain what each of these has to offer: The Best Free Firewalls of 2021 We’ll cover each firewall in detail, but if you’re just looking for a quick list, these are the best free firewalls: Thankfully, you don’t have to break the bank when it comes to third-party software, or even pay a penny.

Installing antivirus software as well as an additional firewall is your best chance of keeping your equipment malware-free.

Take a look at our round ups of the best overall antivirus and best antivirus software for Mac. TIP: Good antivirus software will include a firewall as part of a wider range of security features.

Comodo firewall review