What is Cisco Firewalls?

Cisco Firewalls are network security devices that monitor incoming and outgoing network traffic and decide whether to allow or block specific traffic based on a defined set of security rules. They are commonly used to protect networks from unauthorized access, malware, and other cyber threats. Cisco offers a range of firewalls, including hardware and virtual appliances, with varying capabilities such as intrusion prevention, VPN, and advanced threat protection.