Definitions can be updated automatically or manually depending on whether the system is connected to the internet.
to download and install the latest definitions automatically [0.31]. On the Manager (SEPM): In the console, go to Admin > Servers , right-click your Local Site , and select Download LiveUpdate Content to fetch updates for the entire network. Broadcom TechDocs 3. Latest Versions (as of April 2026) Virus Definitions & Security Updates - Broadcom Inc. symantec endpoint protection update download
Use the vendor’s official support/download portal for SEP updates and knowledge base articles. Search the support site for your SEP product version and "LiveUpdate", "DAT", "engine update", or "offline update" to find exact packages and step-by-step vendor instructions. go to Admin > Servers