SYSTEMS AND METHODS FOR DETECTING AND BLOCKING MALICIOUS CONTENT IN INSTANT MESSAGES

摘要

A protocol management system comprises a gateway configured to receive all instant message traffic flowing into and out of a local network and a security module configured to check each instant message coming into the local network via the gateway, determine whether the instant message includes a URL, if so determine whether the URL is in a blocklist and send a challenge to a sender associated with the instant message when it is determined that the URL is not in the blocklist.