Mcafee, Inc.

Richard Morrey

Ramnath Venugopalan

Guy Roberts

Nick Wilson

In one example, a data security system may determine prevalence of a file based query data for an object (e.g., a file or a hash or a file). An example algorithm may provide using a statistically justifiable estimate of the prevalence while storing few data records, and therefore may provide prevalence information in O(1) time complexity (i.e., constant time). Such an algorithm may be applied in near real-time to provide, e.g., an immediate response to a query for the prevalence of a file.

Providing prevalence information using query data

A method, system, and computer program product for scanning emails by reducing the amount of decomposition processing that is performed to only the minimum necessary to fully scan the emails. This reduces the server resources needed, which improves server throughput and reduces costs. A method for processing email messages comprises the steps of receiving an email message comprising a plurality of items, scanning the email message with at least one scanner software, determining with each of the at least one scanner softwares what items of the plurality of items the email message is to be decomposed into, decomposing the email message to obtain the items determined by each of the at least one scanner software.

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Santa Clara, CA, United States of America

Richard Morrey