Ca, Inc.

Chavvakula Ravikanth

Thomas E Hamilton, Iii

Rohit Ganda

Herbert Paul Mehlhorn

Ganesh Gudaru

David Arthur Mary

A method includes authenticating a user of a client device and sending a response to the client device. The response includes browser code configured to retrieve respective first values for a plurality of device properties from the client device. The method also includes storing session information for the user in a memory. The session information includes the first values and criteria for triggering validation of the client device. The method further includes receiving a request, sent from a requesting device, to access a protected resource and determining whether the request is authenticated by determining that the request is associated with the session information and determining that the criteria has been met. Determining whether the request is authenticated also includes retrieving respective second values for the plurality of device properties from the requesting device, and determining whether the second values match the first values to authenticate the request.

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Hyderabad Telangana, India

Chavvakula Ravikanth