Patent ID: 8959640
Filing Date: 2015-02-17
Classification: G06F

Abstract:
1. A device comprising: a memory including anti-virus software, an output configured to transmit an update query to a second device, the update query requesting information on whether an update to the anti-virus software stored in the memory is available, an input to receive a response to the update query, the response indicating whether an update to the anti-virus software stored in the memory is available, a cache configured to cache the response to the query, and a processor configured to query the cache in response to a trigger and, if the query of the cache indicates an update to the anti-virus software is available causing the device to download an update to the anti-virus software; wherein the processor is further configured to determine meta-data for an object on the device, and the device further comprises an output to query a second device using the meta-data for the object, the trigger being receiving a response indicating that the object is not known by the second device; and wherein the device is configured to transmit the update query at predetermined time intervals, the cache being configured to cache the last received response to the query.