Jon Oberheide Evan Cooke Farnam Jahanian CloudAV: N-Version Antivirus in the Network Cloud. 91-106 2008 USENIX Security Symposium http://www.usenix.org/events/sec08/tech/full_papers/oberheide/oberheide.pdf conf/uss/2008 db/conf/uss/uss2008.html#OberheideCJ08