Method and system for checking malicious hyperlink in email body

Abstract

The present invention relates to a method and a system for checking a malicious hyperlink in an email body, which identifies a hyperlink, verifies whether the hyperlink is malicious or not, and prevents an email recipient from accessing a malicious website through the hyperlink in the email body. The system comprises: an address DB for storing at least one of a hyperlink and a recipient's information, and a substitute hyperlink; a hyperlink address substituting module for extracting a hyperlink in an email body and substituting the hyperlink with a substitute hyperlink, and causing at least one of the hyperlink and the recipient's information, and the substitute address to be stored in the address DB; a hyperlink checking module for searching the address DB for the corresponding hyperlink,accessing a target website and checking whether the corresponding hyperlink is malicious, when it is confirmed that an email module has executed substitution of the hyperlink for a receiving terminalaccessing an email server; and a checking information notification module for transmitting a checking result of the target website from the hyperlink checking module to the receiving terminal.

Description

technical field [0001] The invention relates to a method and system for checking hyperlinks in email texts to grasp whether they are malicious hyperlinks and preventing email addressees from accessing malicious websites through the hyperlinks. Background technique [0002] As a means of online mail, e-mail has become a basic means of communication in daily life to transmit the sender's message to the recipient regardless of factors such as time and place. Not only private individuals can use e-mail to exchange information, but government agencies or Ordinary companies can also transmit various explanatory information to recipients, and it is a widely used communication tool. [0003] However, some e-mails not only contain unwanted advertising information to the recipient, but also contain various phishing emails and malicious codes that will cause financial / psychological losses to the recipient. Malicious messengers that cause money loss. [0004] Due to the proliferation ...

AI Technical Summary

Problems solved by technology

However, the security method of the existing security technology causes a substantial increase in the load on the network and the recipient cannot access the Internet before checking, causing a delay, so the efficiency of the malicious address checking method of the hyperlink is very low

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