Symantec Endpoint Protection 14.3 Build 558 Updated Jun 2026

A new policy setting allowed granular control over USB devices based on serial numbers and device classes, improving defenses against air-gap jumps via infected removable media.

: The Symantec Endpoint Protection Manager (SEPM) now supports Microsoft SQL Server 2019 for its database backend. Enhanced Protection Features symantec endpoint protection 14.3 build 558