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A, disproportionate volume of credential stuffing activity detected by Oktas. Configure the appropriate THEN conditions to specify how authentication is enforced. Enable Modern Authentication on Office 365, C. Disable Legacy Authentication Protocols on Office 365 (OPTIONAL), D. Disable Basic Authentication on Office 365, E. Configure Office 365 client access policy in Okta. Use Rule 1 (example), Rule 2 (example), and Rule 3 (example) as a guide when setting up your authentication policy rules. If newer versions connect using Basic Authentication, the users mail profile may need to be reset. Be sure to review any changes with your security team prior to making them. Email clients use a combination consisting of one of each of the two attributes to access Office 365 email. It is important for organizations to be aware of all the access protocols through which a user may access Office 365 email, as some legacy authentication protocols do not support capabilities like multi-factor authentication. You will need to replace Pop in the commands with Imap and ActiveSync to disable those protocols as well. When your application passes a request with an access token, the resource server needs to validate it. a. Instruct users to configure Outlook, Gmail or other mobile apps that support modern authentication. These clients will work as expected after implementing the changes covered in this document. During Windows Hello for Business enrollment, you are prompted for a second form of authentication (login into the machine is the first). If the number of choices is overwhelming, we recommend exporting the search to a CSV or continuing the search in a SIEM. If you are not using existing libraries, you can make a direct request to Okta's OIDC & OAuth 2.0 API through the /token endpoint. The authentication attempt will fail and automatically revert to a synchronized join. : If an Exchange Online tenant was activated before August 2017, it was configured to use basic authentication by default. With any of the prior suggested searches in your search bar, select, User Agent (client.userAgent.rawUserAgent), Client Operating System (client.userAgent.os), or, Client Browser (client.userAgent.browser), Country (client.geographicalContext.country), Client email address (check actor.alternateId or target.alternateId). Okta provides the flexibility to use custom user agent strings to bypass block policies for specific devices such as Windows 10 (Windows-AzureAD-Authentication-Provider/1.0). With an Okta Classic Engine, if your authentication policy is configured for two authentication factors (for example, Password + Another factor, or Any 2 factor types), users with Okta Verify are required to provide two authentication factors (for example, enter a password and accept an Okta Verify Push notification). Rules are numbered. If secure hardware is not available, software storage is used. Click Add Rule . Tip: If you cant immediately find your Office365 App ID, here are two handy shortcuts. For example, Okta Verify, WebAuthn, phone, or email. Select one of the following: Configures the resulting app permissions if all the previous conditions are met: Configures the authentication that is required to access the app: Configures the possession factor characteristics: Configures how often a user is required to re-authenticate: Use the following configuration as a guide for rule 1: Use the following configuration as a guide for rule 2: Use the following configuration as a guide for rule 3. The authentication policy is evaluated whenever a user accesses an app. As promised on the Risky Business podcast, here are some System Log queries to help Okta administrators weed out examples of clients connecting to their Office 365 tenant over basic authentication (legacy authentication, in Microsoft parlance.) Not in any network zone defined in Okta: Only devices outside of the network zone defined in Okta can access the app. Your Goals; High-Performing IT. Failure: Multiple users found in Okta. Configure the re-authentication frequency, if needed. Now that you have implemented authorization in your app, you can add features such as. Note: Direct calls to the Identity Engine APIs that underpin much of the Identity Engine authentication pipeline aren't supported use the Embedded SDKs instead. Specifically, we need to add two client access policies for Office 365 in Okta. (credentials are not real and part of the example) Okta provides authentication solutions that integrate seamlessly into your apps across a wide variety of platforms, whether you are developing an app for your employees or customers, building a portal for your partners, or creating another solution that requires a sign-in flow. Create policies in your Okta org to govern who needs to authenticate with which methods, and in which apps. NB: Your Okta tenant will not have visibility of EWS authentication events that (a) support basic authentication and (b) authenticate to the onmicrosoft.com domain instead of the domain federated to Okta. Organizations can also couple Office 365 client access policy with device trust as a potential solution for managed iOS devices to allow access to Office 365. This is expected behavior and will be resolved when you migrate to Okta FastPass. If a domain is federated with Okta, traffic is redirected to Okta. In this example: Rule 1 allows seamless access (Okta FastPass) to the application if the device is managed, registered, has secure hardware, and the user successfully provides any two authentication factors. Microsoft Outlook clients that do not support Modern authentication are listed below. . Pass-through authentication removes the need to synchronize the password hash to a cloud Azure AD by using intermediate systems called pass-through authentication agents that act as liaison between on-premises AD and Azure AD. Securing Office 365 with Okta | Okta B. Administrators must actively enable modern authentication. Select an Application type of Single-Page Application, then click Next . Select one of the following: Configures the network zone required to access the app. If a mail profile was manually configured for basic authentication, this mail profile must be removed and a new one established using the sign-in workflow in the MacOS Mail client. Note: Okta's Developer Edition makes most key developer features available by default for testing purposes. If you cant immediately find your Office365 App ID, here are two handy shortcuts. Sign in to your Okta organization with your administrator account. Since WINLOGON uses legacy (basic) authentication, login will be blocked by Oktas default Office 365 sign-in policy. All rights reserved. For example, lets say you want to create a policy that applies MFA while off network and no MFA while on network. Basic Authentication. C. Clients that support modern authentication protocols, will not be allowed to access Office 365 over basic authentication. Azure AD is Microsofts cloud user store that powers Office 365 and other associated Microsoft cloud services. Brett Winterford is the regional Chief Security Officer for Okta in the Asia Pacific and Japan. MacOS Mail did not support modern authentication until version 10.14.Instruct users to upgrade to a more recent version.If a mail profile was manually configured for basic authentication, this mail profile must be removed and a new one established using the sign-in workflow in the MacOS Mail client. If you are using Okta Identity Engine, you are able to create flexible apps that can change their authentication methods without having to alter a line of code. Any help will be appreciated it. As the premier, independent identity and access management solution, Okta is uniquely suited to do help you do just that. Create a policy for denying legacy authentication protocols. The enterprise version of Microsofts biometric authentication technology. See Request for token. To confirm that the policy exists or review the policy, enter the command: Get-AuthenticationPolicy -Identity "Block Basic Authentication". This rule applies to users with devices that are registered and not managed. Okta supports a security feature through which a user is notified via email of any sign-on that is detected for their Okta user account from a new device or a browser. Launch a terminal and enter the following command, replacing clientid:clientsecret with the value that you just copied. The following commands show how to create a policy that denying basic authentication, and how to assign users to the policy. Modern Authentication on Office 365 enables sign-in features such as multi-factor authentication and SAML-based sign-in with Identity Providers, such as Okta. 1. Apples native iOS mail app has supported Modern Authentication since iOS11.3.1 (Sept 2017). Okta log fields and events. Password Hash Synchronization relies on synchronizing password hash from an on-premise Active Directory (AD) to a cloud Azure AD instance. Get a list of all users with POP, IMAP and ActiveSync enabled. Click Create App Integration. Here are some common user agent strings from Legacy Authentication events (those with /sso/wsfed/active" in the requestUri. Pass-through Authentication allows users to use the password to access cloud services like Office 365, as the one stored in on-premise AD. You are redirected to the Microsoft account log inpage. Instruct admins to upgrade to EXO V2 module to support modern authentication. When you finish encoding, you can then use the encoded client ID and secret in the HTTP Authorization header in the following format: 'authorization: Basic
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