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Mimecast 2FA (Two-Factor Authentication) or Multi-Factor Authentication (MFA) is an additional layer of security in which a user or an organizational employee have to provide two factors to gain access to the Mimecast account. With Mimecast TFA being enabled, anyone trying to login to your Mimecast account from an unrecognized computer/device must provide additional authorization. Authentication starts with a user submitting his traditional username and password. Once the user successfully gets authenticated with the 1st step verification, configured 2FA (OTP over SMS, Push Notifications, Yubikey, TOTP, Google Authenticator etc) method prompts for 2nd-step verification. After successfully authenticating with both of the steps a user is granted with the access to the Mimecast account. This extra layer prevents the unauthorized person from accessing the resources even if cyber attackers get to know your credentials.
miniorange provides 15+ authentication methods and solutions for various use cases. It allows users and organizations to set up certain authentication and settings which includes password restrictions, restricting sign-in methods, as well as other security settings. miniorange also makes 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.
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 Shibboleth, Ping, Okta, OneLogin, KeyCloak), Databases (like MySQL, Maria DB, PostgreSQL) and many more.
Get IdP Metadata Details to upload to Mimecast:
3.1: Enable 2FA for Users of Mimecast app
3.2: Configure 2FA for your Endusers
3.3: Enduser 2FA Setup
A. Restricting access to Mimecast with IP Blocking
You can use adaptive authentication with Mimecast 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:
|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.|
|User second Factor||The User needs to authenticate using the second factor he has opted or assigned for such as
|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.|
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
C. Add Adaptive Authentication policy to Mimecast.
D.Notification and Alert Message.
This section handles the notifications and alerts related to Adaptive Authentication.It provides the following options :
|Challenge Completed and Device Registered||Enabling this option allows you to send an email alert when an end-user completes a challenge and registers a device.|
|Challenge Completed but Device Not Registered||Enabling this option allows you to send an email alert when an end-user completes a challenge but do not registers the device.|
|Challenge Failed||Enabling this option allows you to send an email alert when an end-user fails to complete the challenge.|
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