Data protecting device
First Claim
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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.
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Abstract
An event condition is checked, using a computer and data content of the computer is additionally protected in relation to a normal data protection according to the event condition. The event condition is detecting by the computer a remote command and/or detecting a state according to a policy.
19 Citations
15 Claims
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1. A method, comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A computing device communicably connectable to a remote computer, comprising:
a computer processor that executes checking for an event condition; protecting target data of the computing device in addition to existing data protection, according to the event condition, the checking of the event condition comprises activating the computing device at random time intervals to detect a security check received from the 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 computing device 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. - View Dependent Claims (11, 12, 13, 14)
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15. A computer system comprising:
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a server computer; and a portable device communicably connectable to the server computer and including a computer processor to execute; checking for an event condition from the server computer and/or from a state of the portable device; protecting target data of the portable device in addition to existing data protection, according to the event condition, the checking of the event condition comprises activating the portable device at random time intervals to detect a security check to be received from the server via a data communication interface and obtaining the event condition from the remote computer, the activating to detect the security check received from the server 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 portable device and the server; 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.
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Specification