Malicious website access defending method and related device

Abstract

The embodiment of the invention discloses a malicious website access defending method and a related device. The access defending method comprises the following steps of: receiving a security query request carrying a first uniform resource locator from a user terminal; querying whether a record matched with a first domain name included in the first uniform resource locator exists or not in N domain name security records, wherein, a domain name and an indication whether the domain name is malicious or not are recorded in each of the N domain name security records, and N is an integer more than or equal to 1; and if the domain name security record N1 in the N domain name security records is matched with the first domain name and indicates that the first domain name is malicious, informing the user terminal that the first domain name is malicious. According to the technical scheme provided by the embodiment of the invention, malicious websites can be defended more flexibly and effectively.

Description

technical field [0001] The invention relates to the technical field of network security, in particular to a malicious website access defense method, a related device and a network system. Background technique [0002] With the development of Internet technology, there are more and more types of computer viruses. [0003] The rapid development of Internet technology has brought more and more convenience to people's life. Through the Internet, people can conveniently share and download various materials, obtain various important information, and pay bills online. At the same time, the Internet security situation is not optimistic. Trojan horse viruses disguise themselves as normal files and spread wantonly, and phishing websites imitate normal websites to steal user account passwords intensified. [0004] In recent years, with the continuous development of cloud technology, major security vendors have launched security software based on cloud technology. The basic principle...

AI Technical Summary

Problems solved by technology

In this way, when each user visits such a URL, the cloud security system is unknown to its security, so it is difficult to effectively protect the online security of each user

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