WEB page tampering detection method and system

The invention discloses a WEB page tampering detection method and a WEB page tampering detection system, and relates to the field of network security, and the WEB page tampering detection method comprises the following steps: acquiring information of a target website for the first time, and taking the information acquired for the first time as a reference page; periodically acquiring information of the target website, and taking the information acquired each time as a comparison page; analyzing the difference between the reference page and the comparison page; comparing and analyzing the difference with threat information; and judging whether the WEB page is tampered or not according to a comparison and analysis result. According to the method, the information of the target website is continuously and regularly acquired, and the information acquired each time and the information, acquired for the first time, of the target website are compared and analyzed, so that whether the WEB page is tampered or not is ju