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Two-Factor Authentication (2FA) for Microsoft Teams

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Microsoft Teams is a unified communication and collaboration platform that combines persistent workplace chat, video meetings, file storage (including collaboration on files), and many more extremely useful features for business communications. Microsoft Teams is included in Office365 for free.

Microsoft Teams 2FA (Two-Factor Authentication) or Multi-Factor Authentication is the process of secure Authentication in which a user or an organizational employee have to provide two factors to gain the access to Microsoft Teams data. Microsoft Teams Two-Factor Authentication starts with user submitting his traditional username and password. Once user successfully gets authenticated with the 1st step verification, configured 2FA (OTP over SMS, Push Notifications, Google Authenticator etc) method prompts on for 2nd-step verification. After successfully authenticating with both of the steps a user is granted with the access to the Microsoft Teams resources. This additional layer prevents the unauthorized person from accessing the resources even if cyber attackers get to know your credentials.
If you are looking for achieving this using a product with top-notch features, and a dedicated team to guide you hassle-free through this journey - you have arrived at the right destination!
miniorange provides 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 given guide to setup Microsoft Teams MFA.

Follow the Step-by-Step Guide given below for Microsoft Teams Two Factor Authentication (2FA)

1. Configure Microsoft Teams 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 Microsoft Teams in the list, if you don't find Microsoft Teams 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	urn:federation:MicrosoftOnline
  ACS URL	https://login.microsoftonline.com/login.srf

• Leave the Add Attributes section empty.



• Go to the Add Policy and select DEFAULT from the Group Name dropdown.
• Give a policy name for Microsoft Teams in the Policy Name field.
• Select Password as the First Factor Type for authentication.
• Click on Save to configure Microsoft Teams.



• 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 in Step3(c)

2. Configure Your User Directory (Optional)

miniOrange provides user authentication from various external sources, which can be Directories (like ADFS, Microsoft Active Directory, Azure AD, OpenLDAP, Google, AWS Cognito etc), Identity Providers (like Okta, Shibboleth, Ping, OneLogin, KeyCloak), Databases (like MySQL, Maria DB, PostgreSQL) and many more. You can configure your existing directory/user store or add users in miniOrange.

• Setup miniOrange as IDP
• Setup AD as User Directory
• Setup External IDP

• To add your users in miniOrange there are 2 ways:

1. Create User in miniOrange

2. Bulk Upload Users

1. Create User in miniOrange

• Click on Users >> Add User.



• Here, fill the user details without the password and then click on the Create User button.



• After successful user creation a notification message "An end user is added successfully" will be displayed at the top of the dashboard.



• Click on On Boarding Status tab. Check the email, with the registered e-mail id and select action Send Activation Mail with Password Reset Link from Select Action dropdown list and then click on Apply button.



• Now, Open your email id. Open the mail you get from miniOrange and then click on the link to set your account password.
• On the next screen, enter the password and confirm password and then click on the Single Sign-On (SSO) reset password button.



• Now, you can log in into miniOrange account by entering your credentials.

2. Bulk Upload Users in miniOrange via Uploading CSV File.

• Navigate to Users >> User List. Click on Add User button.



• In Bulk User Registration Download sample csv format from our console and edit this csv file according to the instructions.



• To bulk upload users, choose the file make sure it is in comma separated .csv file format then click on Upload.



• After uploading the csv file successfully, you will see a success message with a link.
• Click on that link you will see list of users to send activation mail. Select users to send activation mail and click on Send Activation Mail. An activation mail will be sent to the selected users.

• On miniOrange dashboard left side menu, click on User Stores >> Add User Store.



• Select User Store type as AD/LDAP.



1. STORE LDAP CONFIGURATION IN MINIORANGE: Choose this option if you want to keep your configuration in miniOrange. If active directory is behind a firewall, you will need to open the firewall to allow incoming requests to your AD.
2. STORE LDAP CONFIGURATION ON PREMISE: Choose this option if you want to keep your configuration in your premise and only allow access to AD inside premises. You will have to download and install miniOrange gateway in your premise.




• Enter LDAP Display Name and LDAP Identifier name.
• Select Directory Type as Active Directory.
• Enter the LDAP Server URL or IP Address against LDAP Server URL field.
• Click on Test Connection button to verify if you have made a successful connection with your LDAP server.



• In Active Directory, go to the properties of user containers/OU's and search for Distinguished Name attribute.



• Enter the valid Bind account Password.
• Click on Test Bind Account Credentials button to verify your LDAP Bind credentials for LDAP connection.



• Search Base is the location in the directory where the search for a user begins. You will get this from the same place you got your Distinguished name.



• Select a suitable Search filter from the drop down menu. To use custom Search Filter select "Custom Search Filter" option and customize it accordingly.



• You can also configure following options while setting up AD. Enable Activate LDAP in order to authenticate users from AD/LDAP. Click on the Save button to add user store.




Here's the list of the attributes and what it does when we enable it. You can enable/disable accordingly.

Attribute	Description
Activate LDAP	All user authentications will be done with LDAP credentials if you Activate it
Sync users in miniOrange	Users will be created in miniOrange after authentication with LDAP
Backup Authentication	If LDAP credentials fail then user will be authenticated through miniOrange
Allow users to change password	This allows your users to change their password. It updates the new credentials in your LDAP server
Enable administrator login	On enabling this, your miniOrange Administrator login authenticates using your LDAP server
Show IdP to users	If you enable this option, this IdP will be visible to users
Send Configured Attributes	If you enable this option, then only the attributes configured below will be sent in attributes at the time of login



• Click on Save. After this, it will show you the list of User stores. Click on Test Configuration to check whether you have enter valid details. For that, it will ask for username and password.



• On Successful connection with LDAP Server, a success message is shown.
• Click on Test Attribute Mapping.



• Enter a valid Username. Then, click on Test. Mapped Attributes corresponding to the user are fetched.



• After successful Attribute Mapping Configuration, go back to the ldap configuration and enable Activate LDAP in order to authenticate users from AD/LDAP.

Refer our guide to setup LDAPS on windows server.

User Import and Provisioning from AD

• Go to Settings in the Customer Admin Account.



• Enable the "Enable User Auto Registration" option and click Save.



• (Optional) To send a welcome email to all the end users that will be imported, enable the "Enable sending Welcome Emails after user registration" option and click Save.



• From the Left-Side menu of the dashboard select Provisioning.



• In Setup Provisioning tab select Active Directory in the Select Application Drop Down.
• Toggle the Import Users tab, click on Save button.



• On the same section, switch to Import Users section.
• Select Active Directory from the dropdown and click on the Import Users tab, to import all the users from Active Directory to miniOrange.



• You can view all the Users you have imports by selecting Users >> User List from Left Panel.



• All the imported users will be auto registered.
• These groups will be helpful in adding multiple 2FA policies on the applications.

miniOrange integrates with various external user sources such as directories, identity providers, and etc.

• Okta
• ADFS
• Ping
• AWS Cognito
• Many more

Not able to find your IdP or Need help setting it up?

Contact us or email us at idpsupport@xecurify.com and we'll help you setting it up in no time.

3. Setup SSO in Microsoft Teams

• Open Powershell in Administrator Mode. The Microsoft Online Services module needs to be installed for the below commands to run.
• Install-Module -Name AzureAD
• If prompted about installing a module from an untrusted repository, type Y and press ENTER.
• Install the 64-bit version of the Microsoft Online Services Sign-in Assistant. Download it from here.
• Run the Following command in Powershell to install MSOnline Module : Install-Module MSOnline
• If prompted to install the NuGet provider, type Y and press ENTER.
• If prompted to install the module from PSGallery, type Y and press ENTER.
• Execute the following Powershell commands:
  • $cred = Get-Credential. Enter Microsoft Teams Administrator credentials.
  • Connect-MsolService -Credential $cred.
  • Replace the following information with the one noted in above step:
    • Replace ##DOMAIN NAME## by your Active Directory Domain Name. Ensure that the domain is not the default domain name as the default one cannot be set as the federated domain
    • Replace ##IDP ENTITY ID## with the IdP Entity ID/Issuer from metadata details mentioned in Step1.
    • Replace ##LOGOUT URL## with the Logout URL from metadata details mentioned in Step1.
    • Replace ##LOGIN URL## with the Login URL from metadata details mentioned in Step1.
    • Replace ##CERTIFCATE## with the X.509 Certificate from metadata details mentioned in Step1.
    • Set-MsolDomainAuthentication -Authentication Federated -DomainName ##DOMAIN NAME## -IssuerUri ##IDP ENTITY ID## -LogOffUri "##LOGOUT URL##" -PassiveLogOnUri "##LOGIN URL##" -SigningCertificate "##CERTIFICATE## -PreferredAuthenticationProtocol SAMLP
• You cannot federate your default "onmicrosoft.com" domain. To federate your Microsoft Teams tenant, you must add a custom domain to Microsoft Teams.

4. Configure 2FA for Microsoft Teams

4.1: 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.

4.2: Enable 2FA for Users of Microsoft Teams application.

• To enable 2FA for Users of Microsoft Teams 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.

5. Login with miniOrange

• Go to your Microsoft Teams 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 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 Microsoft Teams account.
• Now we have Two-factor authentication enabled.
• To verify your Two-factor authentication configuration, go to your Microsoft Teams 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 Microsoft Teams it will prompt for OTP.



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

6. Adaptive Authentication with Microsoft Teams

A. Restricting access to Microsoft Teams with IP Blocking

You can use adaptive authentication with Microsoft Teams 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 6.1
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 Microsoft Teams.

• 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

• More about 2FA (Two-Factor Authentication)
  
• Integrate SSO and 2FA for Microsoft Applications
  
• How to setup Single Sign-On (SSO) for Microsoft Teams
  
• Solution for 5000+ Pre-Integrated Apps
  
• Two-Factor Authentication for Apps