CSF1240-TD-K9, Cisco Secure Firewall 1240 Appliance, td/enterprise/firewall

The Cisco CSF1240-TD-K9 is a next-generation enterprise firewall appliance built for secure perimeter and internal segmentation. As part of the Cisco Secure Firewall 1200 Series, it delivers advanced threat protection in a compact, rack-mountable standalone appliance that is easy to deploy in data rooms and branch racks. Running Cisco Secure Firewall Threat Defense (FTD) software, the CSF1240-TD-K9 combines stateful firewalling, intrusion prevention, and application control in a single platform to help you reduce complexity and security gaps. It is designed for organizations that need consistent security policy, whether they operate a single office or distributed sites across Asia, Europe, Africa, or North America. With unified policy management and deep visibility, this Cisco firewall appliance helps distributors, system integrators, and end customers protect critical workloads while keeping operations simple.

The CSF1240-TD-K9 supports Cisco Secure Firewall Threat Defense (FTD), which brings together advanced inspection, URL filtering, and threat intelligence from Cisco Talos. This allows security teams and managed service providers to quickly enforce policies and respond to new attacks. The appliance form factor makes it suitable for standard racks in enterprise networks, colocation facilities, and service provider POPs, while still remaining easy to ship, install, and maintain. For small and mid-size integrators, the Cisco Secure Firewall 1200 Series offers a clear, scalable option that can be standardized across multiple projects and customer sites. End users benefit from consistent security features, central management options, and support for modern encrypted traffic inspection to protect SaaS, cloud, and on-premises applications.

With its rack-mountable standalone design, the CSF1240-TD-K9 fits naturally into existing network topologies as an edge, aggregation, or segmentation firewall. It helps secure VPN access, branch connectivity, and internal zones without requiring separate point solutions. The Cisco Secure Firewall Threat Defense (FTD) software ensures that security policies and logging can be integrated into broader SOC workflows and SIEM platforms. Whether used in enterprise networks, service provider environments, or managed security services, this Cisco Secure Firewall 1200 Series appliance offers a reliable foundation for building standardized, policy-driven protection. By choosing the CSF1240-TD-K9, organizations can align their security posture with Cisco’s broader ecosystem, simplifying lifecycle management and long-term expansion.