Recently, the official 911S5 announced that it would permanently close its services on July 28th. The reason for this is that hacking groups have been using 911S5 to conduct phishing attacks for the past two years. They cloned 911S5's front-end and back-end websites and registered hundreds of similar domains to build similar websites. Additionally, search engines and social media have been used to place a large number of paid search ads in an attempt to lure users to these fake websites....