9 Types Of Firewalls To Improve Security Cyber threats are constantly evolving, and organizations need robust defense mechanisms to safeguard their networks and sensitive information. One indispensable tool in the cybersecurity arsenal is the firewall. There are types of Firewalls act as the first line of defense against unauthorized access, malicious software, and other cyber threats. Types of firewalls Packet filtering firewalls The most basic form of firewall, packet filtering firewalls inspect packets of data