Patent ID: 7870608

Claim:
A method of preventing online fraud, the method comprising: a computer automatically monitoring a domain registration zone file; the computer ascertaining a change in a domain registration record incorporated in the domain registration zone file; the computer monitoring a domain associated with the domain registration record to determine the existence of a web site associated with the domain; the computer periodically saving on a storage medium a representation of a set of content on the web site associated with the domain to create a plurality of representations of the set of content on the web site; the computer comparing one of the plurality of the representations of the set of content on the web site with at least one other of the plurality of representations of the set of content on the web site to determine that the set of content has been modified; and the computer taking an action based on a determination that the set of content on the web site has been modified, wherein taking an action comprises investigating the web site, wherein investigating the web site comprises investigating the domain, and wherein investigating the domain comprises obtaining registration information about the domain from a domain registration record, obtaining current information about an Internet Protocol (“IP”) address associated with the web site, and comparing the registration information with the current information.