Syskey utility is an inbuilt feature of windows for securing data by using 128-bit encryption. Syskey was introduced with Windows NT 4.0 SP3. You can add Syskey password on the system which is asked on windows startup. After setting up this password on your windows you can not boot windows without this password and no one can reach your user’s password without knowing Syskey password. By using Syskey password your system will have two layers of security.