The content described in this patent is: when a user accessing the system enters a wrong password or fails authentication, the system can intelligently determine whether the visitor is authorized by the user to make a mistake or an intruder attempts to invade the system. This "technique for certificate strength analysis of intruder intentions" demonstrates a certificate analysis service that can be used to establish and adjust the corresponding strength of secure access for the response mechanism when access fails. This technology can be mainly applied to servers, data centers, enterprise security internal networks, both wireless and wired networks.
This certificate analysis service is not complicated. For example, this patent is used for corporate security networks that require password or security service access. Users need to be authenticated during network access, such as secure passwords, tokens, and other forms of identification requests , Which of course also has access to different roles and different levels of authority.
If an invalid authentication operation occurs at this time, the system will obtain the correct certificate from the authentication service mechanism to judge whether the invalid login operation is performed by an ordinary user or from an intruder. This judgment is mainly based on the input logic of certain daily passwords. For example, users sometimes forget to enter a part of the password, or the number of keys is repeated. In a similar manner, it is determined whether each invalid login needs to be processed and reported. .
For example, if the user fails to authenticate when logging into the system (such as a wrong password input), the certificate analysis service will retrieve the specific circumstances of the login's invalid authentication, and compare the relevant data of the failed login with the user's valid certificate. The service will then calculate the gap between the invalid verification and the valid verification, and compare the result with the allowable tolerance using the algorithm inside the system. If the result is within the tolerance range, the user can perform identity verification again. If the result is outside the tolerance range, the security strength of the system will be dynamically adjusted to prevent further intruders.
One of the necessary steps is to record the invalid login operation, in which the enabled counter counts the number of times the wrong password is used. This kind of recording can authorize a higher level for a specific authenticator. In addition, this certificate analysis system can also dynamically adjust the system's security strength attributes based on a given certificate. Through this mechanism, authenticated users can be permanently blocked or degraded in permissions.
The opposite of the above is that the intrusion analysis service uses the same method as the above system to determine the unauthorized illegal users accessing the network, the actions of the illegal users can be recorded, and then the security mechanism can make intelligent changes according to the recorded data. The certificate service patent was first applied in 2007 by inventors Srinivas Vedula and Cameron Craig Morris.
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