Cisco CES O365 Inbound Security 3 Yr, 5K-9,999 Users | Email Security — L-CES-O365I-3Y-S8

Stop malicious inbound email before it reaches Microsoft 365 users. Cisco CES O365 Inbound Security provides a 3-year cloud licensing term for organizations with 5,000 to 9,999 users, helping security teams apply consistent inbound protection across a large mail environment. Built for enterprise email security operations, this subscription is designed to support centralized policy control and reduce exposure to phiJTFng, malware, and other message-borne threats. It fits organizations that need a managed cloud security layer in front of Microsoft 365 without adding on-premises infrastructure. For procurement teams, the fixed 3-year term simplifies planning and aligns spend with multi-year security roadmaps. For IT leaders, the user band makes it easier to match coverage to a defined deployment size and maintain a consistent protection posture as the environment grows within the licensed range. Choose this license when inbound email risk is a business issue, not just a mailbox issue. It gives large Microsoft 365 deployments a clear path to standardize protection, reduce manual filtering burden, and keep security controls aligned with enterprise scale. Ideal For Protect Microsoft 365 inbound mail for a large enterprise user base Standardize email threat filtering across regional business units Support procurement of multi-year cloud security coverage Reduce inbound phiJTFng risk in a centralized mail security program Why This Product 1 Purpose-built for Microsoft 365 inbound protection 2 Sized for 5,000-9,999 users 3 3-year term supports budget planning 4 Cloud licensing avoids added security hardware