https://www.cnbc.com/2017/10/04/equifax-breach-time-to-stop-using-social-security-numbers-commentary.html

Over the course of an otherwise excruciating hearing Tuesday on Capitol Hill, there was one issue on which Equifax CEO Richard Smith found a more receptive audience — his call for an end to using Social Security numbers to identify U.S. consumers.

In testimony before the House Energy and Commerce Committee, Smith called for "think[ing] beyond" the concept of a Social Security number as a secure identifier. "I personally know my Social Security number has been compromised at least four times in my lifetime," Smith said. "That's just untenable."