Domain name security judgment method and device, equipment and medium

The invention discloses a domain name security judgment method and device, equipment and a medium. The method comprises the steps of obtaining a to-be-judged domain name; obtaining a domain name associated sample set of the to-be-judged domain name, and obtaining a first feature set of the to-be-judged domain name according to a statistical result of security features of each sample in the domainname associated sample set; obtaining a uniform resource locator associated with the to-be-judged domain name, and analyzing the uniform resource locator to construct a second feature set corresponding to the to-be-judged domain name; obtaining a basic feature set of the domain name to be judged according to the first feature set and the second feature set; inputting the basic feature set into a domain name credibility evaluation model to obtain a credibility evaluation result of the domain name to be judged; and outputting a security judgment result of the domain name to be judged according to the credibility evaluat