Abstract: A method and a system for detecting an unauthorized activity at a user device are provided. The method comprises: analyzing a first request from the user device, the first request including original client cookie; in response to the original client cookie meeting a predetermined threshold: causing the user device to receive a Java Script Module, thereby enabling the user device to generate a second request, by: receiving server cookie indicative of a given activity associated with the user device being one of: a user activity and a bot activity; generating the second request including first client cookie and the server cookie; determining if the second request is to be transmitted to a web content server associated with the first web page; in response to the server cookie data being indicative of the bot activity: the second request is blocked.

Abstract: A method and a system for user identification of a user based on a current user environment of a user device thereof are provided. The method comprises: causing the user device to receive an analytical module for installation thereof in a web application, the analytical module being configured to execute: causing installation of an iframe container in a given page of the web application launched on the user device; retrieving at least one cookie file including user data indicative of the current user environment of the user device; transmitting the at least one cookie file to an identification server for modification thereof to generate an in-use cookie file; and receiving the in-use cookie file; analyzing the in-use cookie file for identifying, based on the user data, the user device, and in response to identifying the user device as being compromised, transmitting a predetermined notification to the application content server.

Abstract: A method and a system for detecting an unauthorized activity at a user device are provided. The method comprises: analyzing a first request from the user device, the first request including original client cookie; in response to the original client cookie meeting a predetermined threshold: causing the user device to receive a Java Script Module, thereby enabling the user device to generate a second request, by: receiving server cookie indicative of a given activity associated with the user device being one of: a user activity and a bot activity; generating the second request including first client cookie and the server cookie; determining if the second request is to be transmitted to a web content server associated with the first web page; in response to the server cookie data being indicative of the bot activity: the second request is blocked.