What is a Software Firewall? Key Types and How It Works

A firewall plays an important role in protecting computers and networks from growing cyber threats. As cyberattacks continue to increase, many users want to better understand how these security tools work. In general, a firewall helps control what data can enter or leave a system, keeping unwanted or suspicious traffic out. A software firewall works directly on a device to monitor and filter network activity based on predefined security rules. In this blog, we explore what a software firewall is, how it works, its main types, and how it helps protect systems in modern network and cloud environments.











