# SECURITYOPTIONS Command [GstarCAD 2018](Help%20System/GSTARCAD/2018/Index.md) → [Commands](Help%20System/GSTARCAD/2018/Commands/(Commands).md) → [S](Help%20System/GSTARCAD/2018/Commands/S/(S).md) The SECURITYOPTIONS command is used to set password or digital signature for specified drawing file. Command Access: > **Command:** SECURITYOPTIONS Function Description: Users could add security options for the specified drawing file; those options will have effect when saving this drawing. ![](Help%20System/GSTARCAD/2018/assets/GCAD_GCR/images/SECURITYOPTIONS-1.png) ## Other versions with matching text [GstarCAD 2016](../../../2016/Commands/S/SECURITYOPTIONS%20Command--655643fa035b.md) · [GstarCAD 2017](../../../2017/Commands/S/SECURITYOPTIONS%20Command--655643fa035b.md) · [GstarCAD 2019](../../../2019/Commands/S/SECURITYOPTIONS%20Command--655643fa035b.md) · [GstarCAD 2020](Help%20System/GSTARCAD/2020/Commands/S/SECURITYOPTIONS%20Command--655643fa035b.md) · [GstarCAD 2021](../../../2021/Commands/S/SECURITYOPTIONS%20Command--655643fa035b.md)