FIELD: information technology.
SUBSTANCE: invention relates to means of detecting compromised devices and user accounts in an online service through multi-signal analysis. Method consists in the fact that a plurality of operating modes occurring on devices in an online service, analyzed; evaluating each of the detection results based on how abnormal the respective operating modes are in the online service; excluding one or more of said estimated detection results based on a subpopulation threshold value or a population threshold value; obtaining a reliability estimate indicating whether the given application area is compromised; generating and transmitting a warning regarding the fact that a given application area is compromised.
EFFECT: high reliability of results of detecting compromised applications in an online service.
20 cl, 10 dwg
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