The ASA in Cisco ASA stands for Adaptive Security Appliance. In brief, Cisco ASA is a security device that combines firewall, antivirus, intrusion prevention.
Cyberoam Firewall is available as a Next-Generation Firewall and UTM firewall. It offers stateful and deep packet inspection for network, application and user identity-based security.
The SonicWall TZ series of firewalls is designed specifically for the needs of SMBs and branch locations, delivering enterprise-class security without the enterprise-grade complexity.