Cisco Email Outbreak Filters 3-Year License Key

Contain email outbreaks before they reach users, inboxes, and downstream systems. Cisco ESA-OF-3Y-S5 provides a 3-year license entitlement for Email Outbreak Filters, giving security teams a defined term of protection for rapid-response filtering in Cisco email security environments. This license is designed for organizations that need sustained coverage against burst-style threats, where speed matters more than manual review. By extending outbreak filtering for three years, it supports predictable security planning and helps maintain continuity in email defense programs that protect large user populations. For procurement teams, the value is in the term-based model: clear renewal timing, straightforward budgeting, and a license aligned to enterprise email security operations. For IT and security leaders, it adds a layer of control around malicious email campaigns without changing the underlying mail architecture. Use it where email remains a primary attack path and response windows are measured in minutes, not hours. This entitlement helps keep outbreak filtering active across the subscription period so teams can focus on policy, incident response, and user protection rather than license gaps.