https://www.cnbc.com/2017/09/14/equifax-says-web-server-vulnerability-led-to-hack.html >Credit reporting company Equifax blamed a web server vulnerability in its open-source software, called Apache Struts, for the recent data breach that compromised personal details of as many as 143 million U.S. consumers. >The massive data breach had exposed valuable information to hackers between mid-May and July and sent Equifax shares tumbling, the company said last week.