Cybersecurity definition
What is SASE?
SASE stands for Secure Access Service Edge.
By Cyber Tool Stack Editorial TeamUpdated
Definition
An 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.
Where SASE fits in the security landscape
These beginner lessons use this term while explaining the surrounding security control.
Related cybersecurity terms
SSESecurity Service EdgeThe 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.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.SWGSecure Web GatewayInspects and filters outbound web traffic for malware, phishing sites, and policy violations, typically as a cloud-delivered service that a user's traffic routes through before reaching the open internet.