What is security appliances?

Security appliances are dedicated hardware or software systems designed to perform specific security functions. They protect networks and systems from threats like malware, intrusions, and data breaches. Common types include firewalls, intrusion detection/prevention systems (IDS/IPS), VPN gateways, web application firewalls (WAFs), and unified threat management (UTM) devices. They are used to enforce security policies, monitor network traffic, and block malicious activity.