Cybersecurity definition
What is SSE?
SSE stands for Security Service Edge.
By Cyber Tool Stack Editorial TeamUpdated
Definition
The security-focused subset of SASE — ZTNA, SWG, and CASB delivered from the cloud — without the SD-WAN networking half, for organizations that want converged security without replacing their existing network connectivity.
Where SSE fits in the security landscape
These beginner lessons use this term while explaining the surrounding security control.
Related cybersecurity terms
SASESecure Access Service EdgeAn architecture that converges networking (like SD-WAN) and security services (like SWG and ZTNA) into one cloud-delivered platform, replacing a stack of separate branch and data-center appliances.ZTNAZero Trust Network AccessGrants access to a specific internal application on a per-request basis, verifying identity and device posture every time, instead of putting a remote user on the corporate network the way a traditional VPN does.CASBCloud Access Security BrokerSits between users and cloud applications to enforce visibility and data-protection policy — discovering unsanctioned app use and controlling what happens to sensitive data inside approved SaaS applications.