Patent ID: 8560763

Claim:
A device comprising: a first processor that operates the device; a time-sensitive memory storage that stores confidential information, the time-sensitive memory storage coupled to the first processor; a second processor that administrates security of the device; and a time-sensitive memory ROM coupled to the second processor, the time-sensitive memory ROM storing computer-executable instructions that are executed by the second processor to perform operations comprising monitoring a battery level of the device; tracking a specified time period since the confidential information was stored on the time-sensitive memory storage; determining that the confidential information stored on the time-sensitive memory storage is to be erased upon determining that the specified time period has elapsed, determining that the battery level of the device is below a minimum amount of power to erase the confidential information; and in response to determining that the battery of the device is below the minimum amount, powering off the device, wherein the confidential information comprises a body of a message, and wherein a header of the message is not erased.