A method and apparatus of securing data stored in a memory of a portable memory storage device are disclosed. One example may include activating an authentication detection component of the portable memory storage device, and verifying an authentication key via the authentication detection component of the portable memory storage device. Once the authentication is complete, additional operations may include interfacing the portable memory storage device with a computing device and accessing data stored in the memory device. Upon ending the access operation, the discontinuing of the interfacing of the memory storage device with the computing device will automatically lock the memory storage device after a predetermined time has passed.