By managing network traffic, a firewall can help protect your computer and data. This is accomplished by blocking unsolicited and unwanted network traffic. A firewall validates access by scanning incoming traffic for malicious elements such as hackers and malware that could infect your computer.
A firewall is a type of Network Security Firewall that monitors incoming and outgoing network traffic and determines whether to allow or block specific traffic based on a set of security rules.
For over 25 years, firewalls have served as the first line of defence in network security. They create a barrier between secure and controlled internal networks that can be trusted and untrustworthy external networks like the Internet.
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