The development of information technology, and especially the Internet, has brought many benefits to man. However, digital technology and the network environment also carry several risks. This is because the Internet is an open network without a centralized management system, so its vulnerability is evident. There are many ways in which different entities, externally or internally, can compromise online security. First of all, on private data, intellectual property and other resources, and even the functioning of the network system itself, are at stake. Because therefore, providing online security is a serious task for the whole society, so not just the
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