Types of Firewalls Explained: A Practical Security Overview Firewalls play a critical role in protecting networks by monitoring and controlling incoming and outgoing traffic based on predefined security rules. This visual overview explains the major types of firewalls, including packet filtering, proxy firewalls, stateful inspection, unified threat management (UTM), next-generation firewalls (NGFW), NAT firewalls, and virtual firewalls. Understanding these firewall types helps organizations choose the right security controls to defend against modern cyber threats across on-premises, cloud, and hybrid environments. #FirewallSecurity #NetworkSecurity #CyberSecurity #NGFW #UTMFirewall #PacketFiltering #ProxyFirewall #StatefulInspection #CloudSecurity #InfoSec