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DETECTING AND RESPONDING TO ATTEMPTS TO GAIN UNAUTHORIZED ACCESS TO USER ACCOUNTS IN AN ONLINE SYSTEM
DETECTING AND RESPONDING TO ATTEMPTS TO GAIN UNAUTHORIZED ACCESS TO USER ACCOUNTS IN AN ONLINE SYSTEM
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机译：检测并响应尝试获得在线系统中未经授权的用户帐户访问权限的尝试
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摘要
In response to detected attempts to gain unauthorized access to user accounts of an online system, a security module of an online system applies an attack response policy to take actions in response to the attempts. Possible responses of the policy include reordering credential types requested by the online system during multi-factor authentication-enabled login, switching to a mode in which login requests are accepted but login is not permitted for the requesting user, and logging information about the login requests. Logged information may be applied to enhance the ability to prevent future unauthorized accesses, such as adding credential values to a list of common credential values and prohibiting users from associating those values with their accounts, or training a model based on the logged information to predict a probability that a given login request is unauthorized.
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