Someone associated with N different websites that use SiteKey must remember N different 4-tuples of information: (site, username, phrase, password). Discontinuation In May 2015, Bank of America announced that SiteKey would be discontinued for all users by the end of the year, and would allow users to log in with their username and password in one step. In July 2015, Vanguard also discontinued the use of SiteKey for its website. Notes External links Authentication in an Online Banking Environment SiteKey at Bank of America Fraud Vulnerabilities in SiteKey Security at Bank of America Web technology Computer access control