How does a firewall contribute to network secur... - SS3 ICT Networks Question

A firewall is a crucial component of network security. It contributes to security by:

• Filtering incoming and outgoing traffic based on predefined rules, blocking unauthorized access and malicious content.
• Monitoring network activity and identifying suspicious patterns or threats.
• Implementing Network Address Translation (NAT) to hide internal IP addresses from external networks.
• Enforcing security policies to prevent data breaches and cyberattacks.
• Providing an essential layer of defense against various online threats, such as viruses, malware, and hackers.

Firewalls are essential in modern networks because they help protect sensitive data, prevent unauthorized access, and ensure the network's integrity and availability in an increasingly interconnected and digital world.