U.S. Employees Your username can be an identifier you've chosen or your Social Security number (SSN). If you currently use your SSN to log in, consider creating a more secure personalized username. Sign in to your account and under Profile, change your Security Center.
Outside U.S. Employees If you currently use your Participant Number to log in, consider creating a more secure personalized username. Sign in to your account and under Profile, change your information in the Security Center tab.