Cisco Secure Firewall is #6 in Top 10 Firewall software

https://www.cisco.com/site/us/en/products/security/firewalls/index.html
Cisco Secure Firewall
Secure Firewall helps you plan, prioritize, close gaps, and recover from disaster-stronger.

Positions in ratings


#6 in Top 10 Firewall software

Alternatives


The best alternatives to Cisco Secure Firewall are: FortiGate, Palo Alto NGFW, Cisco Umbrella
See also:
Top 10 Firewall software