Password Hash Synchronization, or In the Okta Admin Console, go to Applications > Office 365 > Sign-on > Sign-on policy, 2. Authorisation Error: invalid_client: Client authentication failed For a list of Microsoft services that use basic authentication see Disable Basic authentication in Exchange Online. Anything within the domain is immediately trusted and can be controlled via GPOs. Historically, basic authentication has worked well in the AD on-prem world using the WS-Trust security specification, but has proven to be quite susceptible to attacks in distributed environments. In Windows Explorer, right-click C:\temp, and then select CMD Prompt Here from the context menu. Export event data(opens new window)as a batch job from your organization to another system for reporting or analysis. Select one of the following: Configures users that can access the app. 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 sign-in policies play a critical role here and they apply at two levels: the organization and application level. For example, Catch-all Rule. AAD receives the request and checks the federation settings for domainA.com. 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. At least one of the following users: Only allows specific users to access the app. 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. An example of a legitimate business use case would be a SaaS integration that uses POP3 or IMAP such as Jira. Before implementing the flow, you must first create custom scopes for the custom authorization server used to authenticate your app from the Okta Admin Console. Our developer community is here for you. Now that your machines are Hybrid domain joined, lets cover day-to-day usage. Well start with hybrid domain join because thats where youll most likely be starting. Trying authenticate via Okta to access AWS resource using c#/.net. Please enable it to improve your browsing experience. The debugContext query should appear as the first filter. The url http://10.14.80.123/myapp/restapi/v1/auth/okta/callback is set as login redirect url in the OIDC settings. The authentication policy is evaluated whenever a user accesses an app. Use the Okta-hosted Sign-in Widget to redirect your users to authenticate, then redirect back to your app. 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. Microsofts cloud-based management tool used to manage mobile devices and operating systems. This complexity presents a major challenge in balancing support for email applications preferred by end-users and enforcing MFA across the entire Office 365 environment. 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. B. 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. c# - .net Okta and AWS authentication - Stack Overflow This is the recommended approach most secure and fastest to implement. Suspicious activity events | Okta Oktas security team sees countless intrusion attempts across its customer base, including phishing, password spraying, KnockKnock, and brute-force attacks. Click Create App Integration. Using Okta to pass MFA claims means that Okta MFA can be used for authorization eliminating the confusion of a second MFA experience. If only rich client authentication (as opposed to browser-based authentication) isn't working, it more likely indicates a rich client authentication issue. Different flows and features use diverse endpoints and, consequently, result in different behaviors based on different policies. The most commonly targeted application for these attacks is Office 365, a cloud business productivity service developed by Microsoft. Note the parameters that are being passed: If the credentials are valid, the application receives an access token: Use this section to Base64-encode the client ID and secret. Upon failure, the device will update its userCertificate attribute with a certificate from AAD. Here's everything you need to succeed with Okta. You can find the client ID and secret on the General tab for your app integration. Basic Authentication, in the Office 365 suite, is a legacy authentication mechanism that relies solely on username and password. , 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. 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. There are two types of authentication in the Microsoft space: Basic authentication, aka legacy authentication, simply uses usernames and passwords. This is expected behavior because, when the user provided biometrics to unlock their device, the authentication policy evaluated that as the first authentication factor. 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. Click Authenticate with Microsoft Office 365. Going forward, well focus on hybrid domain join and how Okta works in that space. 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. One of the following user types: Only specific user types can access the app. Use Okta's UI to add or remove users, modify profile and authorization attributes, and quickly troubleshoot user sign-in issues. 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. Found this sdk for .net https://github.com/okta/okta-auth-dotnet. Active Directory is the Microsoft on-prem user directory that has been widely deployed in workforce environments for many years. With deep integrations to over 6,500 applications, the Okta Identity Cloud enables simple and secure access for any user from any device. Most recently, he was the founding editor of the Srsly Risky Biz newsletter, a companion to the Risky Business podcast, providing the cybersecurity, policy, defense and intelligence communities with a weekly brief of the news that shapes cyber policy. Your Goals; High-Performing IT. Securing Office 365 with Okta | Okta In the Admin Console, go to Security > Authentication Policies. Cloud Authentication, using either: Managed: Only managed devices can access the app. In addition to the users, groups, and devices found in AD, AAD offers complementary features that can be applied to these objects. For more information on Windows Hello for Business see Hybrid Deployment and watch our video. Enforcing MFA in this context refers to closing all the loopholes that could lead to circumventing the MFA controls. On Microsoft, Log into Microsoft as a Global Administrator for your Microsoft tenant. Auditing your Okta org for Legacy Authentication Managing the users that access your application. If a users mail profile was configured prior to this date, the basic authentication profile may remain unchanged and will need to be reset. Implement authorization by grant type | Okta Developer Most organizations typically rely on a healthy number of complementary, best-of-breed solutions as well. Instruct users to configure Outlook, Gmail or other mobile apps that support modern authentication. Details about how to configure federation on Office 365 with Okta can be found in Office 365 deployment guide. Check the VPN device configuration to make sure only PAP authentication is enabled. Creates policies that provide if/then logic on refresh tokens as well as O365 application actions. Understand the OAuth 2.0 Client Credentials flow. 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. Authentication as a Service from the Leader in SSO | Okta OAuth 2.0 and OpenID Connect decision flowchart. Password + Another factor or Password / IdP + Another factor: The user must provide a password, and any other authentication factor. Okta's API Access Management product a requirement to use Custom Authorization Servers is an optional add-on in production environments. Okta recommends using existing libraries and OAuth 2.0 helper methods to implement your authentication flow. The user can still log in, but the device is considered "untrusted". So? Microsofts OAuth2-compliant Graph API is subject to licensing restrictions. It occurs because the server is attempting a Device Trust challenge with a device that does not have a client certificate. 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. at System.Net.Security.SslState.StartReadFrame (Byte[] buffer . Events | Okta Developer An end user opens Outlook 2007 and attempts to authenticate with his or her [email protected] username. Therefore, we also need to enforce Office 365 client access policies in Okta. Select a Sign-in method of OIDC - OpenID Connect. Office 365 email access is governed by two attributes: an authentication method and an access protocol. 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. Protocols like POP and IMAP, which do not support modern authentication methods are referred to as legacy authentication protocols. You can reach us directly at developers@okta.com or ask us on the Its a space thats more complex and difficult to control. Configure an authentication policy for Okta FastPass | Okta Place the client ID and secret on the same line and insert a colon between them: clientid:clientsecret. They continuously monitor and rapidly respond to these attacks to protect customer tenants and the Okta service. Note: Delete the appCreds.txt and the appbase64Creds.txt files after you finish. Not in any of the following zones: Only devices outside of the specified zones can access the app. Authentication failed because the remote party has closed the transport stream. Here are some of the endpoints unique to Oktas Microsoft integration. Okta gives you a neutral, powerful and extensible platform that puts identity at the heart of your stack. In any network zone defined in Okta: Only devices in a network zone defined in Okta can access the app. For example, Okta Verify, WebAuthn, phone, email, password, or security question. For example, Okta Verify, WebAuthn, phone, or email. 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. Oktas O365 sign-in policy sees inbound traffic from the /passive endpoint, presents the Okta login screen, and, if applicable, applies MFA per a pre-configured policy. Okta Logs can be accessed using two methods. Various trademarks held by their respective owners. Purely on-premises organizations or ones where critical workloads remain on-prem, cant survive under shelter in place. As the premier, independent identity and access management solution, Okta is uniquely suited to do help you do just that. If secure hardware is not available, software storage is used. Microsoft Outlook clients that do not support Modern authentication are listed below. Okta Account Chooser 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).