Emc IP Holding Company LLC

Emc Corporation

Ayelet Biger Levin

Marcelo Blatt

Lior Asher

Harel Efraim

Triinu Magi

A technique identifies risky transactions by mapping raw user location data to a particular cell in a fixed grid. Along these lines, when a user initiates a transaction with a service provider over a mobile device, the service provider collects raw location data such as a latitude and longitude for the user and transmits the location data to an adaptive authentication server. The adaptive authentication server then accesses a fixed set of geographical areas overlaid on a map of the Earth. The adaptive authentication server finds a particular geographical area which contains the latitude and longitude for the user. The adaptive authentication server also obtains information in connection with previous transactions in the particular geographical area using the identifier of the particular geographical area to obtain the information. Based on this information, the adaptive authentication server determines the riskiness of the particular geographical area. Based on the riskiness, the adaptive authentication server assigns a risk score to the transaction.

Identifying risky transactions

There is disclosed herein a technique for use in providing an assessment of authentication requests. In one embodiment, the technique comprises obtaining authentication data that relates to an attribute of authentication requests in a current time period and a previous time period. The technique also comprises applying a weight to the authentication data that relates to the attribute of authentication requests in the previous time period and performing a computation involving the weighted authentication data and the authentication data that relates to the attribute of authentication requests in the current time period. The computation producing a computational result. The technique still further comprises providing the computational result for use in processing future authentication requests.

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Newton, MA, United States of America

Ayelet Biger Levin