The present invention provides a storage device (100) which consists of multiple access levels to access data or information depending on its importance, usefulness, severity, criticality and vulnerability. Further, the storage device (100) ensures data protection through confidentiality, integrity and accessibility for information security by disabling any connection with external communication channels such as Wi-Fi, Bluetooth and so on. Further, the storage device (100) is designed to erasing all the credentials data after 5 unsuccessful attempts ensuring security of the data or information. Authenticated data or information stored on the device can only be accessed by the owner of the device thereby preserving the integrity of the stored data. Reminders may be set for authentication related data which helps change the authentication credentials in time.