Select one of the following: Configures additional conditions using the. Registered: Only registered devices can access the app. Start building with powerful and extensible out-of-the-box features, plus thousands of integrations and customizations. 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. Configure the re-authentication frequency, if needed. Here are some common user agent strings from Legacy Authentication events (those with /sso/wsfed/active" in the requestUri. 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. And they also need to leverage to the fullest extent possible all the hybrid domain joined capabilities of Microsoft Office 365, including new Azure Active Directory (AAD) features. 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. It has become increasingly common for attackers to explore these options to compromise business email accounts. A. Legacy Authentication Protocols Use multi-factor authentication to provide a higher level of assurance even if a user's password has been compromised. The client ID, the client secret, and the Okta URL are configured correctly. If you cant immediately find your Office365 App ID, here are two handy shortcuts. The imminent end-of-life of Windows 7 has led to a surge in Windows 10 machines being added to AAD. Protocols like POP and IMAP, which do not support modern authentication methods are referred to as legacy authentication protocols. You can use one of Okta's SDKs or an open-source library if an appropriate Okta SDK is not available. Hi I was configuring Add user authentication to your iOS app | Okta Developer to our iOS application ( Browser SignIn ), to replace an old OktaSDK . Looks like you have Javascript turned off! Using Okta for Hybrid Microsoft AAD Join | Okta Additional email clients and platforms that were not tested as part of this research may require further evaluation. This change removes responsibility for defining and enforcing authentication criteria from your Global Session Policy and transfers it to each of your authentication policies. This article is the first of a three-part series. Going forward, well focus on hybrid domain join and how Okta works in that space. Sign in to your Okta organization with your administrator account. 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. 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. ** Even after revoking a 'refresh-token', the user might still be able to access Office 365 as long as access token is valid. The Okta Events API provides read access to your organization's system log. If a machine is connected to the local domain as well as AAD, Autopilot can also be used to perform a hybrid domain join. For a full list of applications (apart from Outlook clients) that support Modern Authentication, see the Microsoft documentation referenced here. Office 365 supports multiple protocols that are used by clients to access Office 365. Remote work, cold turkey. For this reason, many choose to manage on-premise devices using Microsoft Group Policy Objects (GPO), while also opting for AAD domain join to take advantage of productivity boosting Azure apps and cloud resources like Conditional Access, Windows Hello for Business, and Windows Autopilot. Modern Authentication helps secure Office 365 resources using multi-factor authentication, certificate-based authentication, and SAML-based logins (such as federation with Okta), for a true single sign-on experience. In this step, you configure an Authentication Policy in Office 365 to block Basic Authentication. To learn more, read Azure AD joined devices. With this policy, users must have Okta Verify installed and enrolled on their device (see Device registration) before they can access the apps. Disable legacy authentication protocols. 2023 Okta, Inc. All Rights Reserved. The commands listed below use POP protocol as an example. This allows users to authenticate to cloud-based services such as Office 365 using the same password as the on-premises AD. Not in any network zone defined in Okta: Only devices outside of the network zone defined in Okta can access the app. Any help will be appreciated it. Enforce MFA on new sign-on/session for clients using Modern Authentication. When your application passes a request with an access token, the resource server needs to validate it. You can find the client ID and secret on the General tab for your app integration. 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. Okta inline hook calls to third-party external web services previously provided only header-based authentication for security. After you have an idea of the above considerations, you can integrate Okta authentication with your app(s). But later it says "Authorisation Error: invalid_client: Client authentication failed.Either the client or the client credentials are . with the Office 365 app ID pre-populated in the search field. See Okta Expression Language for devices. 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. As we straddle between on-prem and cloud, now more than ever, enterprises need choice. Basic Authentication are methods to authenticate to Office 365 using only a username and password. Rules are numbered. Forrester WaveTM names Okta a Strong Performer in Customer Identity and Access Management. To change the lifetime of an Access Token or revoke a Refresh Token follow the steps mentioned here using PowerShell. Base64-encode the client ID and secret (as shown later) and then pass through Basic Authentication (opens new window) in the request to your custom authorization server's /token endpoint: Note: The client ID and secret aren't included in the POST body, but rather are placed in the HTTP Authorization header following the rules of HTTP Basic Auth (opens new window). Click Add Rule . 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. Before you can implement authorization, you need to register your app in Okta by creating an app integration from the Admin Console. Well start with hybrid domain join because thats where youll most likely be starting. 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. Identity-Powered Security. If only rich client authentication (as opposed to browser-based authentication) isn't working, it more likely indicates a rich client authentication issue. To revoke Refresh Token for a single user, log in to exchange using Exchange Online PowerShell Module: 3. For more details refer to Getting Started with Office 365 Client Access Policy. Rule 3 denies access to all users that did not meet Rule 1 or Rule 2. Every app in your org already has a default authentication policy. Create authentication policy rules. The Office 365 Exchange online console does not provide an option to disable basic authentication for all users at once. Our developer community is here for you. Here's everything you need to succeed with Okta. The enterprise version of Microsofts biometric authentication technology. Modern authentication can be enabled for an Office 365 tenant using PowerShell by executing the following commands: 1. The authentication attempt will fail and automatically revert to a synchronized join. Click Next. For more information on Windows Hello for Business see Hybrid Deployment and watch our video. The okta auth method allows authentication using Okta and user/password credentials. Okta based on the domain federation settings pulled from AAD. Identity | Okta Get a list of all users with POP, IMAP and ActiveSync enabled. 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 the excluded group, consider creating a separate sign-on policy and allowing restricted access using Network Zones. 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. Rule 2 allows access to the application if the device is registered, not manage, and the user successfully provides a password and any other authentication factor except phone or email. Note that basic authentication is disabled: 6. For example: An end user opens Outlook 2007 and attempts to authenticate with his or her [emailprotected]. Select API Services as the Sign-in method. Therefore, we also need to enforce Office 365 client access policies in Okta. But they wont be the last. In addition to the users, groups, and devices found in AD, AAD offers complementary features that can be applied to these objects. Found this sdk for .net https://github.com/okta/okta-auth-dotnet. Launch PowerShell as administrator and connect to Exchange: Note: If your administrator account has MFA enabled, follow the instructions in Microsofts documentation. An app that you want to implement OAuth 2.0 authorization with Okta, Specify the app integration name, then click. Reduce account takeover attacks. Happy hunting! 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. 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. It also securely connects enterprises to their partners, suppliers and customers. 1. From the General tab of your app integration, save the generated Client ID and Client secret values to implement your authorization flow. Microsofts cloud-based management tool used to manage mobile devices and operating systems. Example 3: To set the new authentication policy as default for all users: To enforce Office 365 authentication over modern authentication the policies need to be configured in Office 365 applications sign-on section in the Okta Admin console. When a user moves off the network (i.e., no longer in zone), Conditional Access will detect the change and signal for a fresh login with MFA. forum. Any 2 factor types: The user must provide any two authentication factors. Whether its Windows 10, Azure Cloud, or Office 365, some aspect of Microsoft is a critical part of your IT stack. 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 '. Enter Admin Username and Admin Password. Office 365 application level policies are unique. Windows 10 seeks a second factor for authentication. With deep integrations to over 6,500 applications, the Okta Identity Cloud enables simple and secure access for any user from any device. The device will show in AAD as joined but not registered. 3. Configures the clients that can access the app. Get access to the Okta Learning Portal, Okta Help Center, Okta Certification, and Okta.com. This procedure provides an example of how to configure an authentication policy that allows passwordless access to apps. Use Rule 1 (example), Rule 2 (example), and Rule 3 (example) as a guide when setting up your authentication policy rules. Please enable it to improve your browsing experience. Click Authenticate with Microsoft Office 365. Add an authentication policy rule for desktop | Okta C. Modern authentication protocols like Exchange ActiveSync, EWS and MAPI can also be used with basic authentication. To find events that were authenticated via the Legacy Authentication endpoint, expand on user login events and select, to see the full context of the request. Events | Okta Developer Troubleshoot the MFA for Windows Credential Provider | Okta Enter the following command to encode the client ID and client secret: copycertutil -encode appCreds.txt appbase64Creds.txt. 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. Use Rule 1 (example), Rule 2 (example), and Rule 3 (example) as a guide when setting up your authentication policy rules. Doing so for every Office 365 login may not always be possible because of the following limitations: A. In 2019, Microsoft announced the deprecation of basic authentication for Microsoft 365 (formerly Office 365), which if all had gone according to plan, would be disabled on all tenants by now. So, lets first understand the building blocks of the hybrid architecture. Different flows and features use diverse endpoints and, consequently, result in different behaviors based on different policies. A. Our solutions are built on top of the OAuth 2.0 / OpenID Connect standard, and we also support other options such as SAML. Modern Authentication Supported Protocols Our developer community is here for you. c# - .net Okta and AWS authentication - Stack Overflow For example, lets say you want to create a policy that applies MFA while off network and no MFA while on network. Save the file to C:\temp and name the file appCreds.txt. E.g. For example, Catch-all Rule. 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). For more info read: Configure hybrid Azure Active Directory join for federated domains. Given the availability of hundreds of millions of stolen credentials, account checker tools that are point and shoot and proxies that attempt to anonymise the source of requests, credential stuffing has developed into an industry-wide problem. Note: If the value that is returned is broken into more than one line, return to your text editor and make sure that the entire results are on a single line with no text wrapping. The email provides information about the timestamp, location, and device information, such as IP Address and user agent (OS version/browser). On Microsoft, Log into Microsoft as a Global Administrator for your Microsoft tenant. Resolution Delete any cached Microsoft passwords and reboot the machine: Open Credential Manager app on Windows (For Mac, open the Keychain access program). 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. jquery - OAuth2 (Okta) token generation fails with 401 unauthorized 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. Okta gives you a neutral, powerful and extensible platform that puts identity at the heart of your stack. 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. Locate and open appbase64Creds.txt in C:\temp, copy its contents, and then close the file. This is expected behavior and will be resolved when you migrate to Okta FastPass.It occurs because the server is attempting a Device . Given the availability of hundreds of millions of stolen credentials, account checker tools that are point and shoot and proxies that attempt to anonymise the source of requests, credential stuffing has developed into an industry-wide problem. Select one of the following: Configures the risk score tolerance for sign-in attempts. Understanding the Okta Office 365 sign-in policy in federated environments is critical to understanding the integration between Okta and Azure AD. To connect with a product expert today, use our chat box, email us, or call +1-800-425-1267. both trusted and non-trusted devices in this section. If the number of choices is overwhelming, we recommend exporting the search to a CSV or continuing the search in a SIEM. They update a record, click save, then we prompt them for their username and password. Its a mode of authentication that doesn't support OAuth2, so administrators cant protect that access with multi factor authentication or client access policies. Your application needs to securely store its Client ID and secret and pass those to Okta in exchange for an access token. At least one of the following users: Only allows specific users to access the app. AAD receives the request and checks the federation settings for domainA.com. Oktas security team sees countless intrusion attempts across its customer base, including phishing, password spraying, KnockKnock, and brute-force attacks. Not managed (default): Managed and not managed devices can access the app. 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. In this scenario, MFA can only be enforced via Azure MFA, third-party MFA solutions are not supported. An end user opens Outlook 2016 and attempts to authenticate using his or her [emailprotected]. disable basic authentication to remedy this. For example, it may be an issue that's related to the prerequisites or the configuration of the rich-client . You can reorder added rules by clicking and dragging the vertical dotted "handle" that appears under a rule's number. : If an Exchange Online tenant was activated before August 2017, it was configured to use basic authentication by default. See Languages & SDKs overview for a list of Okta SDKs that you can download to start using with your app. Click Admin in the upper-right corner of the page. He advises business and technology leaders on evolving threats and helps them harness advances in identity technology to drive business outcomes and mitigate risk. This option is the most complex and leaves you with the most responsibility, but offers the most control. 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. Lets start with a generic search for legacy authentication in Oktas System Log. Copy the clientid:clientsecret line to the clipboard. and disable legacy authentication to Exchange Online using PowerShell before federating Office 365 access to Okta (at either the. The following image reflects the rules that are provided as an example: This rule applies to users with devices that are managed, registered, and have secure hardware. 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. 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. Modern Authentication See section Configure office 365 client access policy in Okta for more details. Creates policies that provide if/then logic on refresh tokens as well as O365 application actions. Okta sign-in policies play a critical role here and they apply at two levels: the organization and application level. Create an authentication policy that supports Okta FastPass. Then, connect your app to Okta using whatever mechanism makes sense for the deployment model that you choose. Okta's API Access Management product a requirement to use Custom Authorization Servers is an optional add-on in production environments. Configure the appropriate IF conditions to specify when the rule is applied. Suddenly, were all remote workers. Office 365 Client Access Policies in Okta. 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. By default, the Access Token is valid for a period of 1 hour (configurable to a minimum of 10 minutes). By adopting a hybrid state Okta can help you not only move to the cloud for all your identity needs, but also take advantage of all the new functionalities that Microsoft is rolling out in AAD. The Expected Behavior/Changes section below addresses the trade-offs that must be made to enforce MFA for Office 365. Access problems aren't limited to rich client applications on the client computer. Specifically, we need to add two client access policies for Office 365 in Okta. It occurs because the server is attempting a Device Trust challenge with a device that does not have a client certificate. (credentials are not real and part of the example) The authentication policy is evaluated whenever a user accesses an app. In addition to providing a password, users matching this rule can choose any enrolled authentication factor (except phone and email). Password Hash Synchronization relies on synchronizing password hash from an on-premise Active Directory (AD) to a cloud Azure AD instance. 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. You need to register your app so that Okta can accept the authorization request. (https://company.okta.com/app/office365/). 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.) Protocols like, Exchange ActiveSync, EWS, MAPI, and PowerShell, which support both basic and modern authentication methods are classified as modern authentication protocols, in the context of this document. The other method is to use a collector to transfer the logs into a log repository and . The most commonly targeted application for these attacks is Office 365, a cloud business productivity service developed by Microsoft. Its a space thats more complex and difficult to control. If the number of choices is overwhelming, we recommend exporting the search to a CSV or continuing the search in a SIEM. You will need to replace Pop in the commands with Imap and ActiveSync to disable those protocols as well. b. Pass-through Authentication. Be sure to review any changes with your security team prior to making them. Tip: If you cant immediately find your Office365 App ID, here are two handy shortcuts. This document covers the security issues discussed above and provides illustrative guidance on how to configure Office 365 with Okta to bridge the gap created by lack of MFA for Office 365. Since WINLOGON uses legacy (basic) authentication, login will be blocked by Oktas default Office 365 sign-in policy. Brett Winterford is the regional Chief Security Officer for Okta in the Asia Pacific and Japan. If search results return a large number of events from a diverse range of devices, the best option is to: When troubleshooting a relatively small number of events, Oktas System Log may suffice. Enter specific zones in the field that appears. Optionally, use the following PowerShell snippets to assign the authentication policy or clear tokens for multiple users (For more examples, visit Microsoft's documentation): Example 1: Block users with title containing Engineering, $List = Get-Content "C:\temp\list.txt" $List | foreach {Set-User -Identity $_ -AuthenticationPolicy "Block Basic Authentication"} $List | foreach {Set-User -Identity $_ -STSRefreshTokensValidFrom $([System.DateTime]::UtcNow)}.
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