Patent ID: 8826444

Claim:
A computer-implemented method for using client reputation data to classify web domains, the method comprising: identifying, at a server-side computing device that comprises at least one processor, a web domain; identifying, at the server-side computing device, a plurality of applications that previously attempted to access the web domain; identifying, at the server-side computing device, at least one client device that previously attempted to access the web domain at least in part by receiving information from the client device that indicates that an attempt by the client device to access the web domain triggered a security event; calculating, at the server-side computing device, a proportion of applications within the plurality of applications that have a reputation for being malicious; classifying, at the server-side computing device, the web domain based at least in part on the calculated proportion of applications, of the plurality of applications that previously attempted to access the web domain, that have the reputation for being malicious.