Symantec Endpoint Protection Installations on Windows x64 Platforms How to update definitions for Symantec Endpoint Protection Manager using the .jdb file File Name Creation Date Release Date File Size Defs Version Sequence Number MD5 | all sef/20260326-008-SEF_IU_SEP_14.3_RU8_x64.jdb 03/26/2026 3/26/2026 13.1 MB 060173D26B0A2F9EFC9212E6E1C7C6AE This updater is suitable for the following versions of Symantec products: Symantec Endpoint Protection Manager 14.3 RU8 x64 ====================================================== Symantec Endpoint Protection Client Installations on Windows x64 Platforms Use the executable file for client installations only if you are using one of the supported products that are listed below. File Name Creation Date Release Date File Size Defs Version Sequence Number MD5 | all sef/20260326-008-SEF_IU_SEP_14.3_RU8_x64.exe 03/26/2026 3/26/2026 11.36 MB 31BC103B285377F26AEF32260CC186FD This updater is suitable for the following versions of Symantec products: Symantec Endpoint Protection 14.3 RU8 x64 (Client only) ====================================================== Symantec Endpoint Protection Installations on Windows x64 Platforms How to update definitions for Symantec Endpoint Protection Manager using the .jdb file File Name Creation Date Release Date File Size Defs Version Sequence Number MD5 | all sef/20260326-007-SEF_IU_SEP_14.3_RU7_x64.jdb 03/26/2026 3/26/2026 13.07 MB A908C43216C30013C184341B8F3B052D This updater is suitable for the following versions of Symantec products: Symantec Endpoint Protection Manager 14.3 RU7 x64 ====================================================== Symantec Endpoint Protection Client Installations on Windows x64 Platforms Use the executable file for client installations only if you are using one of the supported products that are listed below. File Name Creation Date Release Date File Size Defs Version Sequence Number MD5 | all sef/20260326-007-SEF_IU_SEP_14.3_RU7_x64.exe 03/26/2026 3/26/2026 11.31 MB A08335E957CAD49E11F78C250C975E36 This updater is suitable for the following versions of Symantec products: Symantec Endpoint Protection 14.3 RU1 to RU7 x64 (Client only) ====================================================== Symantec Endpoint Protection Installations on Windows x64 Platforms How to update definitions for Symantec Endpoint Protection Manager using the .jdb file File Name Creation Date Release Date File Size Defs Version Sequence Number MD5 | all sef/20260326-007-SEF_IU_SEP_14.3_RU6_x64.jdb 03/26/2026 3/26/2026 13.07 MB EABA8FDF55F8F22D21514450791C8BE1 This updater is suitable for the following versions of Symantec products: Symantec Endpoint Protection Manager 14.3 RU6 x64 ====================================================== Symantec Endpoint Protection Installations on Windows x64 Platforms How to update definitions for Symantec Endpoint Protection Manager using the .jdb file File Name Creation Date Release Date File Size Defs Version Sequence Number MD5 | all sef/20260326-007-SEF_IU_SEP_14.3_RU5_x64.jdb 03/26/2026 3/26/2026 13.07 MB D24C227C6565186C149056335B349AC6 This updater is suitable for the following versions of Symantec products: Symantec Endpoint Protection Manager 14.3 RU5 x64 ====================================================== Symantec Endpoint Protection Installations on Windows x86 Platforms How to update definitions for Symantec Endpoint Protection Manager using the .jdb file File Name Creation Date Release Date File Size Defs Version Sequence Number MD5 | all sef/20260326-006-SEF_IU_SEP_14.3_RU5_x86.jdb 03/26/2026 3/26/2026 10.0 MB 805972F807D0841BA88101E3040C60AE This updater is suitable for the following versions of Symantec products: Symantec Endpoint Protection Manager 14.3 RU5 x86 ====================================================== Symantec Endpoint Protection Client Installations on Windows x86 Platforms Use the executable file for client installations only if you are using one of the supported products that are listed below. File Name Creation Date Release Date File Size Defs Version Sequence Number MD5 | all sef/20260326-006-SEF_IU_SEP_14.3_RU5_x86.exe 03/26/2026 3/26/2026 8.62 MB A724434349730A72C20866A3EE174C45 This updater is suitable for the following versions of Symantec products: Symantec Endpoint Protection 14.3 RU1 to 14.3 RU5 x86 (Client only)