In addition to providing a password, users matching this rule can choose any enrolled authentication factor (except phone and email). Click Create App Integration. 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. Oktas customers commonly use a combination of single sign-on (SSO), automated provisioning, and multi-factor authentication (MFA) to protect their Office 365 tenants against the aforementioned attacks. The Okta Identity Cloud connects and protects employees of many of the worlds largest enterprises. A. Federate Office 365 Authentication to Okta Federated authentication is a method which delegates authentication to the identity provider (IDP), which in this case is Okta. E. In environments where Okta is used for federation, using legacy authentication protocols (POP and IMAP), that rely on Basic Authentication does not trigger the New Device Access email notification. both trusted and non-trusted devices in this section. 1. To address the common security concerns and end-user experience requirements associated with Office 365 deployments, Microsoft introduced the Active Directory Authentication Library (ADAL) for Office 365 client applications, referred to as Modern Authentication. Please enable it to improve your browsing experience. 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. Thousands of customers, including 20th Century Fox, Adobe, Dish Networks, Experian, Flex, LinkedIn, and News Corp, trust Okta to help them work faster, boost revenue and stay secure. In this step, you configure an Authentication Policy in Office 365 to block Basic Authentication. If you see a malformed username in the logs, like the user sent "bob" but the log shows a "" this indicates that the server is using MSCHAPv2 to encode the username. The most secure option. 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. Click Add Rule . 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.) Select API Services as the Sign-in method. Reducing lifetime of access token carries a trade-off between performance and amount of time clients maintain access under the current configuration. ** Even after revoking a 'refresh-token', the user might still be able to access Office 365 as long as access token is valid. Not in any network zone defined in Okta: Only devices outside of the network zone defined in Okta can access the app. Using Okta to pass MFA claims back to AAD you can easily roll out Windows Hello for Business without requiring end users to enroll in two factors for two different identity sources. 2023 Okta, Inc. All Rights Reserved. Place the mouse cursor in Enter Field Value and System Log will list all the available results from events in the System Log. Switch from basic authentication to the OAuth 2.0 option. As the leading independent provider of enterprise identity, Okta integrates with more than 5500+ applications out-of-the-box. 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. 1. See Validate access token. The device will attempt an immediate join by using the service connection point (SCP) to discover your AAD tenant federation info and then reach out to a security token service (STS) server. Any help will be appreciated it. domainA.com is federated with Okta, so the username and password are sent to Okta from the basic authentication endpoint (/active). You can reach us directly at developers@okta.com or ask us on the 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. Brett Winterford is the regional Chief Security Officer for Okta in the Asia Pacific and Japan. Secure your consumer and SaaS apps, while creating optimized digital experiences. The authentication policy is evaluated whenever a user accesses an app. C. Modern authentication protocols like Exchange ActiveSync, EWS and MAPI can also be used with basic authentication. Enter specific zones in the field that appears. Without the user approving a prompt in Okta Verify or providing biometrics: The user is not required to approve a prompt in Okta Verify or provide biometrics. First off, youll need Windows 10 machines running version 1803 or above. Okta log fields and events. Okta gives you one place to manage your users and their data. When you configure Okta FastPass, make sure you remove the default global password requirement from your Global Session Policy. domainA.com is federated with Okta, so the username and password are sent to Okta from the basic authentication endpoint (/active). To confirm the connection is completed, enter the command: You should see a list of users from your Office 365 tenant: 5. Basic Authentication. This option is the most complex and leaves you with the most responsibility, but offers the most control. Connect and protect your employees, contractors, and business partners with Identity-powered security. Oktas security team sees countless intrusion attempts across its customer base, including phishing, password spraying, KnockKnock, and brute-force attacks. Look for login events under, System > DebugContext > DebugData > RequestUri. When evaluating whether to apply the policy to a particular user, Okta combines the conditions of a policy and the conditions of its rule(s). Enter specific zones in the field that appears. So, lets first understand the building blocks of the hybrid architecture. Now that your machines are Hybrid domain joined, lets cover day-to-day usage. Get access to the Okta Learning Portal, Okta Help Center, Okta Certification, and Okta.com. Innovate without compromise with Customer Identity Cloud. This document does not modify or otherwise change Oktas assurances to its customers regarding the security practices Okta employs to secure its Okta, as set forth in Oktas Security & Privacy Documentation, which is online at https://www.okta.com/trustandcompliance/. For example, a malicious actor could easily spoof a device platform, so you shouldn't use the device platform as the key component of an authentication policy rule. If newer versions connect using Basic Authentication, the users mail profile may need to be reset. Upgrade from Okta Classic Engine to Okta Identity Engine. Enter the following command to encode the client ID and client secret: copycertutil -encode appCreds.txt appbase64Creds.txt. Okta Identity Engine is currently available to a selected audience. 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. This guide explains how to implement a Client Credentials flow for your app with Okta. This rule applies to users that did not match Rule 1 or Rule 2. Any user (default): Allows any user to access the app. Configure the appropriate THEN conditions to specify how authentication is enforced. Okta inline hook calls to third-party external web services previously provided only header-based authentication for security. Most of these applications are accessible from the Internet and regularly targeted by adversaries. This information is based on internal research performed by the Okta security team and does not constitute a replacement for Okta documentation addressing Office 365 configuration for Okta. Clients that rely on legacy authentication protocols (including, not limited to, legacy Outlook and Skype clients and a few native clients) will be prevented from accessing Office 365. This article is the first of a three-part series. In this scenario, MFA can only be enforced via Azure MFA, third-party MFA solutions are not supported. 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. Its a space thats more complex and difficult to control. Enter the following command to view the current configuration: 3. To be honest I'm not sure it's a good idea to kill their session in Okta, only b/c they are not assigned to your application. Okta recommends using existing libraries and OAuth 2.0 helper methods to implement your authentication flow. Okta gives you a neutral, powerful and extensible platform that puts identity at the heart of your stack. Your client application needs to have its client ID and secret stored in a secure manner. Optionally, apply the policy in 30 minutes (instead of 24 hours) by revoking the user tokens: 9. When Modern Authentication is enabled in Office 365, clients that support Modern Authentication will use this flow over Basic Authentication. To ensure these legacy authentication protocols are disabled for new users added to exchange, administrators can use SET-CSAMailboxPlan commandlet in PowerShell. The imminent end-of-life of Windows 7 has led to a surge in Windows 10 machines being added to AAD. Its a mode of authentication that doesn't support OAuth2, so administrators cant protect that access with multi factor authentication or client access policies. MacOS Mail did not support modern authentication until version 10.14. at System.Net.Security.SslState.StartReadFrame (Byte[] buffer . Now you have to register them into Azure AD. In the Admin Console, go to Applications > Applications. Use multi-factor authentication to provide a higher level of assurance even if a user's password has been compromised. Select one of the following: Configures the device platform needed to access the app. (https://company.okta.com/app/office365/). The policy configuration consists of the following: People: In this section, select all the users/groups that have access to this application. If the credentials are accurate, Okta responds with an access token. 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. 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. Note: By default, Okta Verify attempts to store the Okta Verify keys on the secure hardware of the device: trusted platform module (TPM) for Windows and Android devices, or secure enclave for macOS and iOS devices. Enforce MFA on new sign-on/session for clients using Modern Authentication. As we straddle between on-prem and cloud, now more than ever, enterprises need choice. It is important to note that MFA can be enforced only via Azure MFA when Pass-through Authentication is used, Third party MFA and on-premises MFA methods are not supported. It allows them to access the application after they provide a password and any other authentication factor except phone or email. This rule applies to users with devices that are registered and not managed. A. Legacy Authentication Protocols : Administrators may not understand the full breadth of older Microsoft clients and third party apps still connecting via basic authentication until basic authentication is disabled or they explicitly search for it. Understand the OAuth 2.0 Client Credentials flow. Open a new PowerShell window as administrator and Install Azure AD PowerShell Module: 2. Create policies in your Okta org to govern who needs to authenticate with which methods, and in which apps. Both tokens are issued when a user logs in for the first time. One way or another, many of todays enterprises rely on Microsoft. If you are a Classic Engine customer who wants to upgrade their apps to use Identity Engine for authentication, go to Identity Engine upgrade overview. 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. Windows Autopilot can be used to automatically join machines to AAD to ease the transition. Not in any of the following zones: Only devices outside of the specified zones can access the app. Azure AD is Microsofts cloud user store that powers Office 365 and other associated Microsoft cloud services. Allowed after successful authentication: The device is allowed access when all the IF conditions are met and authentication is successful. Creates policies that provide if/then logic on refresh tokens as well as O365 application actions. Remote work, cold turkey. Join a DevLab in your city and become a Customer Identity pro! Once the above policies in place, the final configuration should look similar to as shown in Figure 14: To reduce the number of times a user is required to sign-in to Office 365 application, Azure AD issues two types of tokens i.e. 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. Get a list of all users with POP, IMAP and ActiveSync enabled. B. Resolution Delete any cached Microsoft passwords and reboot the machine: Open Credential Manager app on Windows (For Mac, open the Keychain access program). With the end-of-life approaching for basic authentication, modern authentication has become Microsofts new standard. Once Office 365 is federated to Okta, administrators should check Oktas System Logs to ensure all legacy authentication requests were accounted for. Set up your app with the Client Credentials grant type. 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. Its rare that an organization can simply abandon its entire on-prem AD infrastructure and become cloud-centric overnight. Use Okta's UI to add or remove users, modify profile and authorization attributes, and quickly troubleshoot user sign-in issues. If a users mail profile was configured prior to this date, the basic authentication profile may remain unchanged and will need to be reset. For more details refer to Getting Started with Office 365 Client Access Policy. Copyright 2023 Okta. Possession factor: The user must provide a possession factor to authenticate. Figure 1 below shows the Office 365 access matrix based on access protocols and authentication methods listed in Table 1: In most corporate environments nowadays, it is imperative to enforce multi-factor authentication to protect email access. Now that you have implemented authorization in your app, you can add features such as. For example, if this policy is being applied to high profile users or executives i.e. Watch our video. If not, use the following command to enable it: Note that, because Office 365 does not provide an option to disable Basic Authentication, enabling Modern Authentication alone is insufficient to enforce MFA for Office 365. Select one of the following: Configures whether devices must be registered to access the app. See section Configure office 365 client access policy in Okta for more details. 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. The identity provider is responsible for needed to register a device. 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. The Client Credentials flow is recommended for server-side ("confidential") client applications with no end user, which normally describes machine-to-machine communication. Once Office 365 is federated to Okta, administrators should check Oktas System Logs to ensure all legacy authentication requests were accounted for. Failure: Multiple users found in Okta. Some organizations rely on third-party apps/Outlook plugins that havent upgraded to modern authentication. A hybrid domain join requires a federation identity. 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. Okta helps customers fulfill their missions faster by making it safe and easy to use the technologies they need to do their most significant work. 2023 Okta, Inc. All Rights Reserved. Copy the clientid:clientsecret line to the clipboard. Windows Hello for Business, Microsoft Autopilot, Conditional Access, and Microsoft Intune are just the latest Azure services that you can benefit from in a hybrid AAD joined environment. For a full list of applications (apart from Outlook clients) that support Modern Authentication, see the Microsoft documentation referenced here. Therefore, even if Modern Authentication is enabled on an Office 365 tenant, mail clients can still access it using Basic Authentication. The user can still log in, but the device is considered "untrusted". But they wont be the last. Modern Authentication Supported Protocols This is expected behavior and will be resolved when you migrate to Okta FastPass.It occurs because the server is attempting a Device . Every app you add authentication to has slightly different requirements, but there are some primary considerations that you need to think about regardless of which app you are dealing with. Before you can implement authorization, you need to register your app in Okta by creating an app integration from the Admin Console. Other considerations: There are a number of other things that you need to consider, such as whether to use Single Sign-On, to add an external identity provider, and more. 1. Then, connect your app to Okta using whatever mechanism makes sense for the deployment model that you choose. 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. An audit of your legacy authentication will undoubtedly unearth various bots and crawlers, BITS jobs and all sorts of other things to make you feel anxious. The Horizon Client then forms a protocol session connection, through the gateway service on the Unified Access Gateway, to the Horizon Agent running in the physical desktop. See Languages & SDKs overview for a list of Okta SDKs that you can download to start using with your app. Select. In the Admin Console, go to Security > Authentication Policies. You can reorder added rules by clicking and dragging the vertical dotted "handle" that appears under a rule's number. Oktas sign-in policy understands the relationship between authentication types and their associated source endpoints and makes a decision based on that understanding. Zoom Rooms offers two authentication profiles to integrate with Exchange Online. The default time is 2 Hours. See Validate access tokens. Your application needs to securely store its Client ID and secret and pass those to Okta in exchange for an access token. Doing so for every Office 365 login may not always be possible because of the following limitations: A. Brett is also an award-winning journalist, having long ago been the editor-in-chief of iTnews Australia and a contributor to ZDNet, the Australian Financial Review and the Sydney Morning Herald. 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). Be sure to review any changes with your security team prior to making them. When software storage is used, Okta Verify will not satisfy the authentication policy if Hardware protection is selected as an AND Possession factor restraints are THEN condition. B. Here's what our awesome customers say. Apples native iOS mail app has supported Modern Authentication since iOS11.3.1 (Sept 2017). Sync users from a variety of services, third-party apps, and user stores. If the Global Session Policy requires Password / IdP and the authentication policy requires 1FA, possession factor, the user is required to provide their password (or federate with an external IdP) and provide a possession factor. Select one of the following: Configures whether devices must be managed to access the app. Enables organizations to deploy devices running Windows 10 by pre-registering their device Universal Directories (UD) in AAD. Okta has Authentication and User Management APIs that reduce development time with instant-on, scalable user infrastructure. Modern authentication methods are almost always available. Export event data(opens new window)as a batch job from your organization to another system for reporting or analysis. This article is the first of a three-part series. Email clients use a combination consisting of one of each of the two attributes to access Office 365 email. Start building with powerful and extensible out-of-the-box features, plus thousands of integrations and customizations. The MFA requirement is fulfilled and the sign-on flow continues. Most organizations typically rely on a healthy number of complementary, best-of-breed solutions as well. In addition, you need a GPO applied to the machine that forces the auto enrollment info into Azure AD. With this policy, users must have Okta Verify installed and enrolled on their device (see Device registration) before they can access the apps. Behind the scenes, Office 365 suite uses Azure AD for handling authentication i.e. The most restrictive rule (Rule 1) is at the top and the least restrictive rule is at the bottom. For the excluded group, consider creating a separate sign-on policy and allowing restricted access using Network Zones. If you already know your Office 365 App ID, the search query is pretty straightforward. Okta based on the domain federation settings pulled from AAD. If the policy includes multiple rules and the conditions of the first rule aren't satisfied when a user tries to access the app, Okta skips this rule and evaluates the user against the next rule. 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. Both Okta and AAD Conditional Access have policies, but note that Oktas policy is more restrictive. From the General tab of your app integration, save the generated Client ID and Client secret values to implement your authorization flow. Whats great here is that everything is isolated and within control of the local IT department. The goal of this policy is to enforce MFA on every sign-in to Office 365 application irrespective of location and device platform. It is of key importance that the steps involved in this configuration changes are implemented and in the order listed below: A. Federate Office 365 authentication to Okta, B. This procedure provides an example of how to configure an authentication policy that allows passwordless access to apps. Click Admin in the upper-right corner of the page. Use Rule 1 (example), Rule 2 (example), and Rule 3 (example) as a guide when setting up your authentication policy rules. 3. Rules are numbered. Office 365 Client Access Policies in Okta. You can reach us directly at developers@okta.com or ask us on the forum. Select one of the following: Configures additional conditions using the. AD creates a logical security domain of users, groups, and devices. With deep integrations to over 6,500 applications, the Okta Identity Cloud enables simple and secure access for any user from any device. After registration, your app can make an authorization request to Okta. If they have enabled biometrics in Okta Verify, they're still prompted for their password (a knowledge factor). End user can't use an RDP client to connect to a Okta Credential Provider for Windows supported workstation or server. Using a scheduled task in Windows from the GPO an AAD join is retried. Traffic requesting different types of authentication come from different endpoints. To ensure that all the configurations listed in previous sections in this document take effect immediately**, refresh tokens need to be revoked. domainA.com is federated with Okta, so the user is redirected via an embedded web browser to Okta from the modern authentication endpoint (/passive). Instead, you must create a custom scope. In the fields that appear when this option is selected, enter the groups to include and exclude. Set an appropriate date range and enter the following query into the search field: debugContext.debugData.requestUri eq "/app/office365/{office365 App ID}/sso/wsfed/active. Regardless of the access protocol, email clients supporting Basic Authentication can sign-in and access Office 365 with only username and password despite the fact that federation enforces MFA. 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. However, there are few things to note about the cloud authentication methods listed above. Check the Okta syslog to see why the connection was rejected. Basically, during approval of a record, use case is "where a user needs to verify they are who they say they are when making a change. Client: In this section, choose Exchange ActiveSync client and all user platforms. Anything within the domain is immediately trusted and can be controlled via GPOs. During Windows Hello for Business enrollment, you are prompted for a second form of authentication (login into the machine is the first). Okta provides an approach to enable per-application sign-on policy to make access decisions based on group membership, network locations, platform (desktop or mobile), and multi-factor authentication, to name a few. Basic Authentication are methods to authenticate to Office 365 using only a username and password. D. Office 365 Administrators will need the Modern Authentication supported PowerShell module to connect to online Exchange. If users want to access the application without entering a password, they must enable biometric authentication in Okta Verify. This is expected behavior because, when the user provided biometrics to unlock their device, the authentication policy evaluated that as the first authentication factor. When you upgrade to an Okta Identity Engine, the same authentication policy exists, but the user experience changes. The url http://10.14.80.123/myapp/restapi/v1/auth/okta/callback is set as login redirect url in the OIDC settings. The other method is to use a collector to transfer the logs into a log repository and . b. Pass-through Authentication. Sign in to your Okta organization with your administrator account.
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