Patent ID: 9189625
Filing Date: 2015-11-17
Classification: G06F

Abstract:
1. A data management method, comprising: in response to a request to write first data to a data storage device, initiating examination of the first data for malicious content by a malicious content scanner; in response to the examination revealing no malicious content in the first data, writing to the data storage device, as read-only data, the first data, a first signature representative of a version of the malicious content scanner at examination of the first data, and second data linking the first signature to the first data; in response to a request to read the first data from the data storage device, retrieving the first data and the first signature from read-only storage in the data storage device; determining a current version of the signature of the malicious content scanner at the retrieving; and initiating examination of the first data for malicious content by the malicious content scanner in response to the current version of the signature not matching the retrieved first signature.