As of June 10 2017, users of the Social Security Administration (SSA) website will be required to use two-factor (2FA) authentication to gain access. Potentially, this could affect a vast number of American adults, who will be required to enter both their password and a separate code sent to them either by SMS or email text.
Article Link: http://feedproxy.google.com/~r/Securityweek/~3/7uGnoocVQAU/social-security-administration-adopts-what-nist-deprecating