Network data security policy generation method and device and storage medium
A security policy and network data technology, applied in computer security devices, digital data protection, electronic digital data processing, etc., can solve the problem that security policies cannot be updated in time, and achieve the effect of promoting updates
Active Publication Date: 2019-03-01
BEIJING TOPSEC NETWORK SECURITY TECH +2
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[0005] Embodiments of the present invention provide a method, device, and storage medium for generating a network data security policy to solve the problem that the security policy in the prior art cannot be updated in time
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[0043] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.
[0044] The first embodiment of the present invention provides a method for generating a network data security policy, such as figure 1 shown, including the following specific steps:
[0045] Step S11, analyzing the document content of all documents, obtaining several word segmentations, and removing stop words in the word segmentations to obtain the overall word segmentation;
[0046] In this step, when analyzing the content of th...
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The invention discloses a network data security policy generation method and device and storage medium, and the method comprises the steps: carrying out the analysis of the document contents of all documents, obtaining a plurality of segmented words, and removing stop words in the segmented words, so as to obtain a total segmented word; calculating the probability of each segmented word occupyingthe total segmented word by using a maximum likelihood estimation algorithm to obtain the probability of each segmented word; respectively calculating each document by adopting an information entropyalgorithm according to each obtained word segmentation probability to obtain an entropy value of each document; determining an importance metric value of each document according to the entropy of eachdocument; and generating a security policy according to the importance metric value of each document. According to the method, the importance degree of the document in the database is measured by calculating the importance degree measurement value of each document, so that managers can clearly display the importance degree of the document, a basis is provided for judging the importance degree ofthe document, and the updating of a document security strategy is promoted.
Description
technical field [0001] The invention relates to the technical field of data leakage prevention, in particular to a method, device and storage medium for generating a network data security policy. Background technique [0002] Data security is more and more concerned by enterprises. Enterprises will have a lot of important data that needs to be protected, and the value of data will only be reflected in use. How to make full use of data under the premise of effective data protection has become meet the urgent needs of enterprises. The data leakage prevention system is a data security product that can make full use of data without the data user being aware of it. Data leakage prevention systems generally need to be equipped with corresponding security policies. How to formulate effective security policies is an important issue in the current field. [0003] Existing data leakage prevention security policy schemes use predefined security policies, such as setting keywords for ...
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IPC IPC(8): G06F21/62G06F16/332
CPCG06F21/6218
Inventor 宋鹏举
Owner BEIJING TOPSEC NETWORK SECURITY TECH