SAP Security T-Codes

Below are some common SAP Security Transactions:
SU01 User Maintenance
SU01D User Display
SU02 Maintain Authorization Profiles
SU03 Maintain Authorizations
SU1 Maintain Own User Address
SU10 User Mass Maintenance
SU12 Mass Changes to User Master Records
SU2 Maintain Own User Parameters
SU20 Maintain Authorization Fields
SU21 Maintain Authorization Objects
SU22 Auth. Object Usage in Transactions
SU24 Auth. Obj. Check Under Transactions
SU25 Upgrade Tool for Profile Generator
SU26 Upgrade Tool for Profile Generator
SU3 Maintain Users Own Data
SU50 Own data
SU51 Maintain Own User Address
SU52 Maintain Own User Parameters
SU53 Evaluate Authorization Check
SU56 Analyze User Buffer
SU80 Archive user change documents
SU81 Archive user password change doc.
SU82 Archive profile documents
SU83 Archive authorization docs.
SU84 Read Archived User Change Documents
SU85 Read Archived Password Change Doc.
SU86 Read Profile Change Documents
SU87 Read Authorization Change Documents
SU96 Table maint.: Change SUKRIA
SE01 Transport Organizer (Extended)
SE03 Transport Organizer Tools
SE06 Set Up Transport Organizer
SE07 CTS Status Display
SE09 Transport Organizer
SE10 Transport Organizer
SE11 ABAP Dictionary Maintenance
SE12 ABAP Dictionary Display
SE13 Maintain Technical Settings (Tables)
SE14 Utilities for Dictionary Tables
SE15 ABAP/4 Repository Information System
SE16 Data Browser
SE17 General Table Display
SE18 Business Add-Ins: Definitions
SE19 Business Add-Ins: Implementations
SE20 Enhancements
SE21 Package Builder
SE24 Class Builder
SE29 Application Packets
SE33 Context Builder
SE36 Logical Database Builder
SE37 ABAP Function Modules
SE38 ABAP Editor