Symantec Endpoint Protection 14.3 Build 558 |work| Official
Auto-Upgrade: Utilize the SEPM "Upgrade Groups with Package" feature to automate the rollout once the pilot phase is successful. Conclusion
: Download the latest installers from the Broadcom Support Portal .
Enterprise management capabilities were highly prioritized in this release to accommodate modern database engines and cross-platform infrastructure.
Advanced Machine Learning (AML)Build 558 utilizes tuned AML algorithms to identify new threat variants without requiring a signature update. This proactive stance is vital for stopping zero-day exploits before they execute. symantec endpoint protection 14.3 build 558
: The REST API response for computer status now includes additional fields such as quarantineStatus , quarantineCode , and wssStatus . Third-Party Component Updates
Symantec Endpoint Protection (SEP) version is the initial release of the 14.3 branch, launched on May 5, 2020 . This build introduced several architectural changes, including a unified agent and enhanced integration with cloud management consoles. Key Details for Build 14.3.558 Release Date: May 5, 2020.
The 14.3 build 558 was first introduced around March 2019. The build artifacts include client installers for Windows (32-bit and 64-bit), Mac, and Linux systems. For Windows, the file is named Symantec_Endpoint_Protection_14.3.0_Win32-bit_Client_EN.exe and Symantec_Endpoint_Protection_14.3.0_Win64-bit_Client_EN.exe . Auto-Upgrade: Utilize the SEPM "Upgrade Groups with Package"
For organizations managing air-gapped networks (military, finance, industrial control), Build 558 added a "Siloed Migration Mode." This allows the SylinkDrop tool to update policies without requiring a full uninstall/reinstall when moving from SEP 12.1.x to 14.3.
At its heart, SEP 14.3 Build 558 is composed of several tightly integrated protection layers:
(specifically version 14.3.558.0000 ) represents a milestone release in the Broadcom enterprise security portfolio. Released as the base version for the 14.3 release update (RU) cycle, this specific build introduces massive architecture upgrades, performance fixes, and a crucial SYMSA1762 security patch designed to protect enterprise infrastructure from advanced modern exploits. Advanced Machine Learning (AML)Build 558 utilizes tuned AML
Group endpoints into pilot test environments (e.g., IT department machines).
Symantec Endpoint Protection (SEP) version 14.3.558.0000 was the initial release of the 14.3 branch, launched on May 5, 2020
: Approximately 150 MB is required on the system drive for installation, plus additional space for content updates and logs. Broadcom TechDocs Known Compatibility Issues Users have reported specific application control
To ensure a smooth deployment and effective management of SEP 14.3 Build 558, consider the following best practices:
