Patent ID: 8281388

Claim:
A portable storage device configured to securely store and control access to data, the portable storage device comprising: a real time clock, configured to track current time; an onboard power source coupled to the real time clock, configured to provide the real time clock with power; control logic, configured to enforce device rules, execute device functionality, and detect connections of the device to an external system, and for each detected connection, to initiate a write of a log record concerning the connection to a portion of a secure storage area, the log record comprising a current time from the real time clock and a determined identification of the external system, wherein the log record can be read from but not written to by an authorized host; a user accessible storage area, configured such that that data can be written to and read from the user accessible storage area, the user accessible storage area being communicatively coupled to the control logic; and a secure storage area, configured to be accessible to elements external to the device only by using a device key, the secure storage area being communicatively coupled to the control logic.