Multi-Factor Authentication (MFA)

Multi-Factor Authentication (MFA), also known as Two-Factor or Two-Step verification. MFA is a security system that verifies a user’s identity by requiring multiple credentials. Rather than only asking for a username and password, MFA requires an additional credential, such as a pin code from a user’s smartphone, approval from a mobile app installed on a user’s smartphone, or a phone call to a specified phone number. ATC employees attempting to access their Office 365 account (email, OneDrive, etc.) from off campus will be required to setup/authenticate using the new security feature.


Steps for Setting up Your MFA Account

3 Steps to Setup your MFA Account

  1. Follow this link to setup your account https://aka.ms/mfasetup
  2. Select a Multi-Factor Authentication option that works best for you.
    1. Microsoft Authenticator app on your cell phone. (Recommended)
    2. Receive a text code to an authentication phone.
    3. Receive a phone call to an authentication phone.
  3. Follow the option steps below.

Setting up the Microsoft Authenticator App

  1. Install the Microsoft Authenticator app on your cell phone from the android or iPhone app store.
  2. Login to https://aka.ms/mfasetup with your email address and password.
  3. Select Mobile app from the pull down list.
  4. Select your option to respond to log in request. You can choose to confirm a notification (suggested) or to enter a verification code.
    Pro Tip. If you are trying to log in from a location where cell service is unavailable, the verification codes will still be valid to use and gain access to your account.
  5. Press the Set up button to configure your account with the app.
    Verification Code

    Confirmation approval
  6. Assign the app on your phone to your account to complete the process.

Using an Authentication Text or Call

  1. Login to https://aka.ms/mfasetup with your email address and password.
  2. Select Authentication phone from the pull down list.
  3. Enter your cell phone number.
  4. Choose your preferred method for verification.
    1. Send a code to text message -- to get an authentication code.
    2. Call me -- to get a voice call validation.

How to Change Your Option

You can change your authentication preference if you decide you want to use a difference option or if you wish to change the phone number the call or text is sent to.

  1. Login to https://aka.ms/mfasetup with your email address and password.
  2. Authorize your login using your current default option.
  3. Select your new preference or change your phone number.
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Office Hours
Monday 8 a.m. 4 p.m.
Tuesday 8 a.m. 4 p.m.
Wednesday 8 a.m. 4 p.m.
Thursday 8 a.m. 4 p.m.
Friday 8 a.m. 1 p.m.