Patent ID: 8635535

Claim:
A computer-implemented method comprising: storing, in an authentication server system, a plurality of unique identification codes assigned to respective entities; providing a plurality of HTML code elements to be placed on a web page in association with respective identifiers of the entities, each one of the HTML code elements specify one of the plurality of unique identification codes, respectively, the HTML code elements specify creation of at least one secure zone on the web page; storing, in the authentication server system, a URL identifying the web page; upon opening of the web page in a browser, executing a server-side program at the authentication server system, the server-side program receives the unique identification codes specified by the code elements; identifying a match by comparing the unique identification codes received by the server-side program to the plurality of unique identification codes stored in the authentication server system; retrieving by the authentication server system, a referrer address of the web page; comparing, by the authentication server system, the referrer address with the stored URL; and when a match is identified and the referrer address is identical to the stored URL, delivering, by the authentication server, web content to or via the at least one secure zone associated with the one of the unique identification codes received by the server-side program.