1. A method, comprising: checking by a computer for an event condition; protecting by the computer target data of the computer in addition to existing data protection on the computer, according to the event condition, the checking of the event condition comprises activating the computer with the target data at random time intervals to detect a security check received from a remote computer via a data communication interface and obtaining the event condition from the remote computer, the activating to detect the security check received from the remote computer further comprises receiving an encrypted message including a data protection function and a synchronization random number during a time window at the random time intervals, the time window duration to receive the security check from the remote computer being settable according to a policy for increasing or decreasing the encrypted message synchronization between the computer and the remote computer; and accumulating a history of failures to obtain the event condition during a set duration of one or more time windows at the random time intervals until reaching a condition to trigger the additionally protecting of the target data.