Your username is the email address linked to your membership account. If you forgot your password, visit https://membershiplogin.comptia.org/account/ForgetPassword. Related articles How Do I Log on to My Membership Portal? How Do I Create a CompTIA SSO Account? How Do I Log on to the Member Learning Portal for Industry Education? How Do I Create a Transcript of My Certifications? How Do I Reset My CIN Website Password?