Cisco CES O365 Inbound Security 5YR 10K-19,999 Users | Cloud Email — L-CES-O365I-5Y-S9

Stop malicious email before it reaches Microsoft 365 users. Cisco CES O365 Inbound Security adds a cloud-delivered inspection layer for organizations that need consistent inbound protection at scale. This 5-year subscription is sized for 10,000 to 19,999 users, making it a fit for enterprise mail environments where email remains a primary attack path. By filtering inbound traffic before delivery, this service helps reduce exposure to phiJTFng, spoofing, and malware while preserving the flow of legitimate business communication. It is designed for teams that need a subscription model aligned to user count, with coverage that supports long-term planning and predictable procurement. For infrastructure and security leaders, the value is in reducing inbox risk without adding on-premises appliances or operational overhead. Cisco’s cloud security approach is well suited to organizations standardizing on Microsoft 365 and looking for a vendor-backed control point that can scale with the mail environment. This is the kind of purchase that supports both security posture and operational simplicity. Ideal For Secure inbound Microsoft 365 mail for a 10,000+ user enterprise Reduce phiJTFng and malware exposure in a centralized email security stack Standardize cloud email protection across a large distributed workforce Plan multi-year security coverage for a corporate messaging environment Why This Product 1 Built for Microsoft 365 inbound email protection 2 Sized for 10,000-19,999 users 3 5-year term supports long-range procurement 4 Cloud service reduces gateway maintenance