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Two-Factor Authentication (2FA) for Zoom

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Zoom is the leader in modern enterprise video communications, with an easy, reliable cloud- based platform for video and audio conferencing, collaboration, chat, and webinars across mobile devices, desktops, telephones, and room systems. Zoom Rooms is the original software-based conference room solution used around the world in board, conference, huddle, and training rooms, as well as executive offices and classrooms.

Massive increase in use of video conferencing apps has helped us to introduce enhanced Zoom Two-Factor Authentication solution for Desktop and mobile apps. Zoom 2FA security solution makes it easier for user and organizations to safeguard and prevent themselves from the security breaches.
Zoom 2FA (two-factor authentication) is a two-step sign-in process which provides additional layer of security check to grant access to log into Zoom account. Zoom 2FA identifies users by demanding two or more type of authentication methods. First factor is the one that user knows username and password and second factor is what user might have as unique like a phone (For OTP) or Fingerprint, voice. This additional layer prevents the unauthorized person from accessing the resources even if they know your credentials.

miniorange provides 15+ authentication methods and solutions for various use cases. It allows users and organization to setup certain authentication and settings which includes password restrictions, restricting sign-in methods, as well as other security settings. miniorange also make way for authentication apps that support Time-Based One-Time Password (TOTP) Google Authenticator, Microsoft Authenticator, Authy 2-Factor authentication app and our own miniorange Authenticator app.

Follow the Step-by-Step Guide given below to enable Two-Factor Authentication (2FA) for Zoom

1. Configure Zoom in miniOrange

• Login into miniOrange Admin Console.
• Go to Apps and click on Add Application button.



• In Choose Application Type click on Create App button in SAML/WS-FED application type.



• Search for Zoom in the list, if you don't find Zoom in the list then, search for custom and you can set up your application via Custom SAML App.

• Enter the details as shown:
  
  

  SP Entity ID or Issuer	Your Zoom Domain Name e.g. https://miniorange.zoom.us
  ACS URL	https://www.zoom.us/signin

• Click on Save to configure Zoom.
• Go to Apps, Click on Select in the Action column of the configured app, and go to Metadata.



• Depending upon your requirement, click on the Show Metadata Details button to get the metadata which will be required later.

2. Configure SSO in Zoom

• Log into your Zoom admin account.
• Open the SSO Configuration Panel.
• Enter the following.

  Sign-in Page URL:	Enter the SAML Login URL you get by clicking on Metadata in Step 1.
  Sign-out Page URL:	Enter Single Logout URL you get by clicking on Metadata in Step 1.
  Identity provider certificate:	Enter the X.509 Certificate from Step 1. Take care of removing the Begin Certificate and End Certificate.
  Service Provider (SP) Entity ID:	Enter your domain:[your-subdomain].zoom.us
  Issuer (IDP Entity ID):	Enter the IDP Entity ID you get by clicking on Metadata in Step 1.
  Binding:	Select HTTP-Redirect.
  Signature Hash Algorithm:	Select SHA-256.




• Click Save Changes. You can now test SSO into Zoom.

3. Configure 2FA for Zoom

3.1: Configure 2FA for miniOrange Admin Dashboard.

• From your miniOrange Dashboard in the left navigation bar, select 2- Factor Authentication, click on Configure 2FA.




• Choose any 2FA method you want to configure.
• Let's say you want to configure OTP over SMS
• Click on OTP over SMS





• Now add your mobile number on which you want to receive the OTP.
• Then click on Save.





• Now as shown in the above image, OTP over SMS is your Active 2FA method.
• Enable Prompt for second factor during signin to your console.
• Then click on Save.



• To verify the configuration login again.
• You will be asked for Username and password then it is redirected to below page:
• Enter the OTP received on the phone and click on verify.



• If you are redirected to your dashboard, you have successfully configured OTP over SMS as your 2FA method.
• Similarly you can configure rest of the 2FA methods for miniOrange dashboard by following this guide.
• To configure 2FA methods for end-users, You can find the guide here.

3.2: Enable 2FA for Users of Zoom application.

• To enable 2FA for Users of Zoom application. Go to Policies >> App Authentication Policy
• Click on Edit against the configured application



• Enable the Enable 2-Factor Authentication (MFA) option.



• Click on Save.

4. Login with miniOrange

• Go to your Zoom Domain. It will redirect you to miniOrange Single Sign-On Service console.



• Enter your miniOrange login credentials and click on Login.
• Since we have Two-factor authentication(2FA) enabled, you will be prompted to register for it. It's a one time process.
• Configure your basic details.



• Configure any authentication method of your choice.



• After successful registration, you will be logged in to your Zoom account.
• Now we have Two-factor authentication enabled.
• To verify your Two-factor authentication(2FA) configuration, go to your Zoom Domain. You will be redirected to miniOrange login console.



• Enter your login credentials, and click on login. It will prompt to verify yourself against the configured 2fa method.
  e.g. If you have configured OTP over SMS, after login into Zoom it will prompt for OTP.



• Enter the OTP received in your phone, after successful 2fa verification, you will be redirected to the Zoom dashboard.

5. Adaptive Authentication with Zoom

A. Restricting access to Zoom with IP Blocking

You can use adaptive authentication with Zoom Single Sign-On (SSO) to improve the security and functionality of Single Sign-On. You can allow a IP Address in certain range for SSO or you can deny it based your requirements and you can also challenge the user to verify his authenticity. Adaptive authentication manages the user authentication bases on different factors such as Device ID, Location, Time of Access, IP Address and many more.

You can configure Adaptive Authentication with IP Blocking in following way:

• Login to Self Service Console >> Adaptive Authentication.
• Add a Policy Name for your Adaptive Authentication Policy.



• Select your Action for behaviour Change and Challenge Type for user from the Action for behaviour Change Section.





Action for behaviour Change Options :




Attribute	Description
Allow	Allow user to authenticate and use services if Adaptive authentication condition is true.
Challenge	Challenge users with one of the three methods mentioned below for verifying user authenticity.
Deny	Deny user authentications and access to services if Adaptive authentication condition is true.




Challenge Type Options :




Attribute	Description
User second Factor	The User needs to authenticate using the second factor he has opted or assigned for such as OTP over SMS PUSH Notification OTP over Email And 12 more methods.
KBA (Knowledge-based authentication)	The System will ask user for 2 of 3 questions he has configured in his Self Service Console. Only after right answer to both questions user is allowed to proceed further.
OTP over Alternate Email	User will receive a OTP on the alternate email he has configured threw Self Service Console. Once user provides the correct OTP he is allowed to proceed further.



• Now Enable Enable IP Restriction option from the IP RESTRICTION CONFIGURATION section to configure custom IP range.



• Select the Action you want to perform if the IP address is out of the range. i.e. Allow, Challenge & Deny.
• Specify the IP Address range for which you want above setting to reflect. You can add more than one IP Address ranges by clicking on following button +.
• Scroll to the end and click on save.

B. Adaptive Authentication with Limiting number of devices.

Using Adaptive Authentication you can also restrict the number of devices the end user can access the Services on. You can allow end users to access services on a fixed no. of devices. The end users will be able to access services provided by us on this fixed no. of devices.

You can configure Adaptive Authentication with Device Restriction in following way


• Login to Self Service Console >> Adaptive Authentication.
• Add a Policy Name for your Adaptive Authentication Policy.
• Select your Action for behaviour Change and Challenge Type for user from the Action for behaviour Change Section.




• Scroll down to Device Configuration section and enable Allow User to Register Device option to allow users to register their devices.
• Enter the Number of Devices which are allowed to register in field next to Number of Device Registrations Allowed
• Choose Action if number of devices exceeded (This will override your setting for Action for Behaviour Change.)
1. Challenge: The user needs to verify himself using any of the three methods mentioned in table in step 5.1
2. Deny : Deny users access to the system
• Enable option Send email alerts to Users if number of Device registrations exceeded allowed count if you want to alert the user about no of devices exceeding the limit. Save the configuration.

C. Add Adaptive Authentication policy to Zoom.

• Login to Self Service Console >> Policies.
• Click on Edit option for predefined SAML app policy.



• Set your application name in the Application and select password as Login Method.
• Enable Adaptive Authentication on Policy page and select the required restriction method as an option.
• From Select Login Policy dropdown select the policy we created in last step and click on save.




How to add a trusted Device

1. When End-user log in to the self service console after the policy for device restriction is on, he is provided the option to add the current device as a trusted device.

External References

• Guide For Single Sign On (SSO)