SAP R/3 Security Tables
Below the list of SAP R/3 Security Table that could be used for your referrences
USR02Logon dataUSR04User master authorization (one row per user)UST04User profiles (multiple rows per user)USR10Authorisation profiles (i.e. &_SAP_ALL)UST10CComposit profiles (i.e. profile has sub profile)USR11Text for authorisation profilesUSR12Authorisation valuesUSR13Short text for authorisationUSR40Tabl for illegal passwordsUSGRPUser groupsUSGRPTText table for USGRPUSH02Change history for logon dataUSR01User Master (runtime data)USER_ADDRAddress Data for usersAGR_1016Name of the activity group profileAGR_1016BName of the activity group profileAGR_1250Authorization data for the activity groupAGR_1251Authorization data for the activity groupAGR_1252Organizational elements for authorizationsAGR_AGRSRoles in Composite RolesAGR_DEFINERole definitionAGR_HIER2Menu structure information - Customer versAGR_HIERTRole menu textsAGR_OBJAssignment of Menu Nodes to RoleAGR_PROFProfile name for roleAGR_TCDTXTAssignment of roles to TcodesAGR_TEXTSFile Structure for Hierarchical Menu - CusAGR_TIMETime Stamp for Role: Including profileAGR_USERSAssignment of roles to usersUSOBTRelation transaction to authorization object (SAP)USOBT_CRelation Transaction to Auth. Object (Customer)USOBXCheck table for table USOBTUSOBXFLAGSTemporary table for storing USOBX/T* changUSOBX_CCheck Table for Table USOBT_C