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virus signature |
Also found in: Wikipedia | 0.04 sec. |
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The binary pattern of the machine code of a particular virus. Antivirus programs compare their database of virus signatures with the files on the hard disk and removable media (including the boot sectors of the disks) as well as within RAM. The antivirus vendor updates the signatures frequently and makes them available to customers via the Web. See antivirus program. |
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It also incorporates a security agent, which augments virus signature matching with behavior analysis to identify and prevent malicious threats, adding a layer of protection to both server and desktop computing systems. IBM's automated process typically takes less than 5 minutes to identify a virus signature and derive a prescription, the developers claim. The DFA is a kind of sub-element in the classification of an intrusion or a virus signature. |
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virus signature
