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Contra Costa Community College District

Universities · 4cd.edu

Three second factors on offer: authenticator app, text message and phone call. The strongest is an authenticator app.

Recommended setup

Authenticator app

Codes made on your phone, offline. Much safer than a text message, which can be stolen with a SIM swap.

AppAuthenticator appBest option
SMSText messageSupported
CallPhone callSupported

Not offered: security key, approval in an app, hardware token, email code.

Switch it on

General steps; menu names vary. Contra Costa Community College District's own guide has the exact screens.

  1. Sign in to Contra Costa Community College District and open your account's security settings. Look for two-step verification or two-factor authentication. Contra Costa Community College District's own guide shows the exact screens.
  2. Choose authenticator app. A QR code appears.
  3. Open your authenticator app, add an account and scan the QR code. Type the 6-digit code it shows to confirm.
  4. Save the backup codes. Keep them in your password manager or print them; they're your way back in if you lose your phone or key.
Contra Costa Community College District's setup guide ↗