mr. rosenzweig. >> thank you very much thank you and i am also pleased to speak with you today about the future of the social security number. it has a long history of utility as it identifier i don't think that's the problem. the use is no different than the use of mysp phone number or the use of my name but the problem is that the social security number has mutated now and is also the authenticator of my identity. those are only useful if it has something that you know exclusively that you have for that you are and kept confidential. today social security numbers are so deeply compromised and widely available in public even through criminal means they can no longer be used as the authenticator. this is because recent like the equifax breach we have already spoken of any anniversary this week has disclosed the vast majority of previously confidential social security numbers mine has been breached three times in the last four years so i feel this quite personal and as a result in my view any enterprise that uses a social security number as an authenticator is engaging in borderline priva