Keep your SonicWall TZ370 aligned with a 3-year Threat secure upgrade term. This license is designed for teams that want to extend the useful life of an existing firewall deployment while maintaining the security coverage required at the edge. It supports a practical lifecycle strategy: preserve the platform, retain operational consistency, and avoid unnecessary hardware replacement when the current appliance still fits the environment. For IT leaders, the value is in continuity. A secure upgrade keeps the firewall in the security program without forcing a redesign of the branch architecture. That means fewer change events, simpler procurement, and a clearer path for multi-year budgeting. It is especially useful in distributed environments where standardization matters and the firewall is already integrated into policy, logging, and access control workflows. Choose this 3-year term when you want longer planning visibility and a cleaner renewal cadence. It helps protect the investment already made in the TZ370 while keeping the security posture current over a longer horizon.