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An information security early warning method and device
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An information security and information network technology, applied in the field of information security early warning methods and devices, can solve problems such as inability to perform accurate early warning
Active Publication Date: 2019-02-26
CHINA MOBILE GROUP DESIGN INST
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[0010] The embodiment of the present invention provides an information security early warning method and device to solve the problem in the prior art that accurate early warning operations cannot be performed
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Embodiment 1
[0054] It should be noted that, in this method, a meta-model can be established in advance, and the meta-model is set with an information asset type attribute, which corresponds to at least the following asset types: operating system, middleware (carrier server), database, application. Wherein, the operating system may include a windows operating system, a Linux operating system, etc.; the application may include system applications, various third-party applications, and the like.
[0055] When conducting information security assessment for any information network system, according to the types of information assets in the preset meta-model, each information asset can be counted and an information asset library can be established; it should be noted that, in the preset meta-model The types of information assets can be added or deleted, so each information asset in the information asset database obtained by statistics can only be related to the type of information assets retaine...
Embodiment 2
[0091] like figure 2 As shown, it is an information security early warning device provided in Embodiment 2 of the present invention, and the early warning device includes the following units:
[0092] The matching unit 201 is configured to perform correlation matching between each vulnerability in the vulnerability database in the current period and all information assets contained in the information asset database, and screen vulnerabilities whose correlation degree is not less than a preset threshold.
[0093] Preferably, the matching unit 201 is specifically used for:
[0094] Count each information asset contained in the current information asset library, and normalize to obtain the sum of the unit vectors of each information asset: in, represents the unit vector of the jth information asset;
[0095] Count the information assets threatened by the i-th vulnerability in the current vulnerability database, and normalize to obtain the sum of the unit vectors of each inf...
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Abstract
The present invention discloses an information security early-warning method and device. The information security early-warning method mainly comprises the steps of establishing an information asset library by utilization of meta models, respectively performing relevancy matching between bugs in a bug library obtained by collection and the total information asset amount in the information asset library, screening the bugs with the relevancy no less than a preset threshold value, summing risk values of the screened bugs, calculating and obtaining a total risk value relative to the total information asset amount, comparing the total risk value with a preset early-warning value, and executing early-warning operation when the total risk value is no less than the preset early-warning value. Through performing relevancy matching between the bugs and the total information asset amount, the bugs which can threaten the information asset library can be accurately determined, so that security of information assets is improved, early-warning determining operation can be automatically performed in a preset period, the early-warning operation can be executed when the total risk value reaches the preset early-warning value, and managers can be accurately reminded to maintain an information network system in real time.
Description
technical field [0001] The invention relates to the field of communication technology, in particular to an information security early warning method and device. Background technique [0002] In the existing technology, with the development of information technology, each company has a large number of information assets to meet the company's daily production and operation needs, and these information assets have become an important cornerstone of the company's survival and development. Therefore, the security of assets and information assets has become an important factor to ensure the operation of the company. For the protection of information assets in terms of information security, early warning is mainly carried out in the following two ways: [0003] Method 1: Intrusion detection technology is a technology designed to ensure the security of computer systems that can detect and report unauthorized or abnormal phenomena in the system in a timely manner. It is a technology...
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