Cisco ASA is the creme de la creme in security, combining the capabilities of a firewall alongside antivirus protection.
https://www.fieldengineer.com/skills/cisco-asa

What is the Cisco Adaptive Security Appliance (ASA)
www.fieldengineer.com

What is the Cisco Adaptive Security Appliance (ASA)

Cisco Adaptive Security Appliance (ASA) Software is the core operating system for the Cisco ASA Family. It provides proactive threat defense that stops attacks before they spread through the network.