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Honey password filtering method and device

A filtering method and password technology, applied in the field of information security, can solve problems such as data leakage

Pending Publication Date: 2022-04-15
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Before the data is made public, the administrator may not know that the database has been leaked, and the publicity of these data means that more data has been leaked

Method used

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  • Honey password filtering method and device

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Embodiment Construction

[0029] At present, a leak detection technology for password storage files is proposed. The core of this technology is to insert some non-existent passwords into the file storing the real passwords, that is, "honey passwords". The honey password and the real password share a real user name, so if an attacker uses the real user name and honey password to log in to the system, the administrator can confirm that the database file has been leaked, and the administrator can take relevant measures to save loss.

[0030] At present, there are several ways to generate the honeyword password corresponding to the real password:

[0031] Interactive algorithm: that is, after the user creates a real password, an additional random number string (usually 3 digits) is added, and the additional random number string needs to be memorized by the user alone.

[0032] Replacement algorithm: after the user creates a real password, additional user information is obtained, and a honeyword password ...

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Abstract

The invention discloses a honey password filtering method and device, which are used for solving the problem of leakage of user passwords in a database in the prior art. In the application, the method comprises the following steps: acquiring a first password really registered by a user; generating a plurality of honey passwords corresponding to the first password according to the first password; according to the password guessing dictionary, respectively scoring the first password and the plurality of honey passwords to obtain the score of the first password and the scores of the plurality of honey passwords; determining an error between the score of the first password and the scores of the plurality of honey passwords; and jointly storing the honey password with the corresponding error smaller than the preset error and the first password in a database.

Description

technical field [0001] The present application relates to the field of information security, in particular to a method and device for filtering honeyword passwords. Background technique [0002] With the advancement of information technology, various network illegal attacks and system security vulnerabilities are also emerging one after another, and the security threats faced by various information systems and network platforms are very serious. Identity authentication technology, as the first line of defense to ensure the information system, plays an extremely important role in ensuring the security of cyberspace. Among them, the method of identity authentication based on user password is still the most mainstream identity authentication method in the Internet due to its simple deployment and low cost. [0003] However, user passwords are stored in the database, which may have security problems. Once the database is leaked, hundreds of millions of user passwords in the da...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/45
CPCG06F21/45
Inventor 孙道伟王郁含
Owner CHINA TELECOM CORP LTD