Table 5 lists versions of Microsoft Outlook and the operating system native mail clients, that were tested by the Okta Information Security team for Modern Authentication support. A disproportionate volume of credential stuffing activity detected by Oktas ThreatInsight targets Office 365 tenants, specifically, checking credentials stolen from third parties against accounts with basic authentication enabled. Copy the App ID into the search query in (2) above. In the fields that appear when this option is selected, enter the users to include and exclude. Log into your Office 365 Exchange tenant: 4. The goal of creating a block policy is to deny access to clients that rely on legacy authentication protocols which only support Basic Authentication irrespective of location and device platform. In the Admin Console, go to Applications> Applications. In this scenario, MFA can only be enforced via Azure MFA, third-party MFA solutions are not supported. Important:The System Log APIwill eventually replace the Events API and contains much more structured data. It is a catch-all rule that denies access to the application. In the Admin Console, go to SecurityAuthentication Policies. Click Next. Sign in to your Okta organization with your administrator account. Here's everything you need to succeed with Okta. After you migrate from Device Trust (Classic) to Device Trust on the Okta Identity Engine and have an authentication policy rule that requires Registered devices, you will see Authentication of device via certificate - failure: NO_CERTIFICATE system log events. The Client Credentials flow is recommended for server-side ("confidential") client applications with no end user, which normally describes machine-to-machine communication. Possession factor: The user must provide a possession factor to authenticate. See section Configure office 365 client access policy in Okta for more details. Configure hybrid Azure Active Directory join for federated domains, Disable Basic authentication in Exchange Online, Use Okta MFA to satisfy Azure AD MFA requirements for Office 365. It has proven ineffective and is not recommended for the modern IT environments especially when authentication flows are exposed to the internet as is the case for Office 365. The device will show in AAD as joined but not registered. Hybrid domain join is the process of having machines joined to your local, on-prem AD domain while at the same time registering the devices with Azure AD. But in order to do so, the users, groups, and devices must first be a part of AAD, much the same way that objects need to be part of AD before GPOs can be applied. 2023 Okta, Inc. All Rights Reserved. https://platform.cloud.coveo.com/rest/search, https://support.okta.com/help/s/global-search/%40uri, https://support.okta.com/help/services/apexrest/PublicSearchToken?site=help, Never re-authenticate if the session is active, Re-authentication frequency for all other factors is. The authentication policy is evaluated whenever a user accesses an app. domainA.com is federated with Okta, so the username and password are sent to Okta from the basic authentication endpoint (/active). NB: these results wont be limited to the previous conditions in your search. Copyright 2023 Okta. See OAuth 2.0 for Native Apps. The debugContext query should appear as the first filter. Any group (default): Users that are part of any group can access the app. Watch our video. Create one rule that challenges default users to provide their password and another rule that challenges all members of the designated group to provide Okta Verify. The exceptions can be coupled with Network Zones in Okta to reduce the attack surface. The whole exercise is a good reminder to monitor logs for red-flags on a semi-regular basis: As you get used to doing this, your muscle memory for these processes will grow, along with your understanding of what normal looks like in your environment. The Expected Behavior/Changes section below addresses the trade-offs that must be made to enforce MFA for Office 365. Enforcing MFA in this context refers to closing all the loopholes that could lead to circumventing the MFA controls. Upon failure, the device will update its userCertificate attribute with a certificate from AAD. I can see the Okta Login page and have successfully received the duo push after entering my credentials . The Outlook Web App (OWA) will work for all browsers and operating systems as it is browser-based and does not depend on legacy authentication protocols. You can reach us directly at developers@okta.com or ask us on the ** Even after revoking a 'refresh-token', the user might still be able to access Office 365 as long as access token is valid. Every sign-in attempt: The user must authenticate each time they sign in. Please enable it to improve your browsing experience. Remote work, cold turkey. Connect and protect your employees, contractors, and business partners with Identity-powered security. At the same time, while Microsoft can be critical, it isnt everything. Found this sdk for .net https://github.com/okta/okta-auth-dotnet. Having addressed relevant MFA requirements for the Cloud Authentication method, we can focus on how to secure federated authentication to Office 365 with Okta as Identity Provider in the next sections. Office 365 application level policies are unique. In this case the user is already logged in but in order to be 21 CFR Part 11 . To configure passwordless authentication using Okta Verify, see Configure Okta FastPass. Outlook 2010 and below on Windows do not support Modern Authentication. NB: these results wont be limited to the previous conditions in your search. Azure AD Connect (AAD Connect) is a sync agent that bridges the gap between on-premises Active Directory and Azure AD. A hybrid domain join requires a federation identity. Prior to Okta, Brett held a senior security leadership role at Symantec, and helmed security research, awareness and education at Commonwealth Bank. Microsofts OAuth2-compliant Graph API is subject to licensing restrictions. Use Rule 1 (example), Rule 2 (example), and Rule 3 (example) as a guide when setting up your authentication policy rules. Secure your consumer and SaaS apps, while creating optimized digital experiences. Typically, you create an Okta org and an app integration to represent your app inside Okta, inside which you configure your policies. To identify how Okta Verify keys are stored for a device, view the secureHardwarePresent device attribute in the Admin Console, or use an Okta Expression Language (EL) expression to determine the value of device.profile.secureHardwarePresentview. Understand the OAuth 2.0 Client Credentials flow. Tip: If you cant immediately find your Office365 App ID, here are two handy shortcuts. They need choice of device managed or unmanaged, corporate-owned or BYOD, Chromebook or MacBook, and choice of tools, resources, and applications. Its responsible for syncing computer objects between the environments. By following the guidelines presented in this document, Okta customers can enforce MFA on all mail clients supporting modern authentication, hence helping secure their Office 365 application against phishing, password-spraying, KnockKnock and brute force attacks. The error response tells you that browser clients must use PKCE, and as PKCE is only possible in an authorization code flow, this implicitly means that Okta allows only authorization code flow from a browser client. 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. The client ID, the client secret, and the Okta URL are configured correctly. For example, Okta Verify, WebAuthn, phone, email, password, or security question. With Oktas ability to pass MFA claims to Azure AD, you can use both policies without having to force users to enroll in multiple factors across different identity stores. Use Rule 1 (example), Rule 2 (example), and Rule 3 (example) as a guide when setting up your authentication policy rules. Note: If there is a business requirement for allowing access to legacy authentication protocols, create a group of those user/service accounts and exclude that group from this rule by checking the Exclude the following users and groups from this rule option. Its a space thats more complex and difficult to control. Windows 10 seeks a second factor for authentication. For example, Catch-all Rule. This is expected behavior because, when the user provided biometrics to unlock their device, the authentication policy evaluated that as the first authentication factor. 'content-type: application/x-www-form-urlencoded', 'grant_type=client_credentials&scope=customScope'. Anything within the domain is immediately trusted and can be controlled via GPOs. Select one of the following: Configures the device platform needed to access the app. Configure a global session policy and authentication policies, Okta deployment models redirect vs. embedded. For more information read Device-based Conditional Access and Use Okta MFA to satisfy Azure AD MFA requirements for Office 365, and watch our video. To revoke Refresh Tokens for all users: The official list of Outlook clients that support Modern Authentication, at the time of this publication, is listed in Table 3 and also available on the Microsoft site. Upgrade from Okta Classic Engine to Okta Identity Engine. Place the client ID and secret on the same line and insert a colon between them: clientid:clientsecret. In Okta you create a strict policy of ALWAYS MFA whereas in Conditional Access the policy will be configured for in and out of network. When you configure Okta FastPass, make sure you remove the default global password requirement from your Global Session Policy. Connect and protect your employees, contractors, and business partners with Identity-powered security. On Microsoft, Log into Microsoft as a Global Administrator for your Microsoft tenant. Optimized Digital Experiences. There are two types of authentication in the Microsoft space: Basic authentication, aka legacy authentication, simply uses usernames and passwords. To connect with a product expert today, use our chat box, email us, or call +1-800-425-1267. D. Office 365 currently does not offer the capability to disable Basic Authentication. At least one of the following groups: Only users that are part of specific groups can access the app. 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. both trusted and non-trusted devices in this section. Your client application needs to have its client ID and secret stored in a secure manner. If newer versions connect using Basic Authentication, the users mail profile may need to be reset. For example, suppose a user who doesn't have an active Okta session tries to access an app. The first one is to use the Okta Admin Console, which enables an administrator to view the logs of the system, but they can sometimes be abridged, and thus, several fields may be missing. Whether its Windows 10, Azure Cloud, or Office 365, some aspect of Microsoft is a critical part of your IT stack. For more background on the different deployment models, including basic flows and help with choosing between models, see Okta deployment models redirect vs. embedded. Microsofts cloud-based management tool used to manage mobile devices and operating systems.

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