The most commonly targeted application for these attacks is Office 365, a cloud business productivity service developed by Microsoft. At least one of the following groups: Only users that are part of specific groups can access the app. An example of a legitimate business use case would be a SaaS integration that uses POP3 or IMAP such as Jira. 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. Your app uses the access token to make authorized requests to the resource server. 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. Office 365 supports multiple protocols that are used by clients to access Office 365. The authentication attempt will fail and automatically revert to a synchronized join. An end user opens Outlook 2016 and attempts to authenticate using his or her [emailprotected]. To govern Office 365 authentication with policies defined in Okta, federation needs to be enabled on Office 365. Note that this policy blocks access to legacy protocols at the pre-authentication level, meaning logins coming through legacy endpoints will not be evaluated at all. Sign in to your Okta organization with your administrator account. Table 1 summarizes the list of Office 365 access protocols and the authentication methods they support. To create an authentication policy denying Basic Authentication, enter the command (this blocks all legacy protocols as mentioned in Microsoft documentation): The policy properties are displayed in the terminal. After Okta login and MFA fulfillment, Okta returns the MFA claim (/multipleauthn) to Microsoft. 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. From the General tab of your app integration, save the generated Client ID and Client secret values to implement your authorization flow. Auth for Developers, by Developers | Okta Understanding Your Okta Logs to Hunt for Evidence of an Okta - Mitiga An end user opens Outlook 2007 and attempts to authenticate with his or her [email protected] username. What were once simply managed elements of the IT organization now have full-blown teams. , specifically, checking credentials stolen from third parties against accounts with basic authentication enabled. Okta gives you a neutral, powerful and extensible platform that puts identity at the heart of your stack. During Windows Hello for Business enrollment, you are prompted for a second form of authentication (login into the machine is the first). Everyone. Oktas commitment is to always support the best tools, regardless of which vendor or stack they come from. Reduce account takeover attacks. In the Rule name field, enter a name for the rule. In the fields that appear when this option is selected, enter the groups to include and exclude. Every app in your org already has a default authentication policy. Select one of the following: Configures additional conditions using the. Users with unregistered devices are denied access to apps. Copyright 2023 Okta. Select the application that you want to use, and then on the General tab, copy the Client ID and Client secret. 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. 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. Note that this method will only set the configuration for the newly created mailboxes and not the existing ones. 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 most restrictive rule (Rule 1) is at the top and the least restrictive rule is at the bottom. Authorisation Error: invalid_client: Client authentication failed Typically, you create an Okta org and an app integration to represent your app inside Okta, inside which you configure your policies. Copyright 2023 Okta. The policy configuration consists of the following: People: In this section, select all the users/groups that have access to this application. EWS is an API used in Outlook apps that interact with Exchange (mail, calendar, contacts) objects. The okta auth method allows authentication using Okta and user/password credentials. Events | Okta Developer The mapping of groups in Okta to Vault policies is managed by using the users and groups APIs. Congrats! The Client Credentials flow is intended for server-side (confidential) client applications with no end user, which normally describes machine-to-machine communication. For example, Catch-all Rule. The following commands show how to create a policy that denying basic authentication, and how to assign users to the policy. You already have AD-joined machines. This is because authentication fromMicrosoft comes invarious formats (i.e., basic or modern authentication) and from different endpoints such asWS-Trust andActiveSync. Configure strong authentication policies to secure each of your apps. Modern authentication methods are almost always available. But there are a number of reasons Microsoft customers continue to use it: Okta advises Microsoft customers to enable modern authentication and disable legacy authentication to Exchange Online using PowerShell before federating Office 365 access to Okta (at either the tenant or mailbox level). Configures the user type that can access the app. If a machine is connected to the local domain as well as AAD, Autopilot can also be used to perform a hybrid domain join. Then, connect your app to Okta using whatever mechanism makes sense for the deployment model that you choose. Any user type (default): Any user type can 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. Okta gives you a neutral, powerful and extensible platform that puts identity at the heart of your stack. Its responsible for syncing computer objects between the environments. The Office 365 Exchange online console does not provide an option to disable basic authentication for all users at once. In addition to the users, groups, and devices found in AD, AAD offers complementary features that can be applied to these objects. Choose your app type and get started with signing users in. Prior to Okta, Brett held a senior security leadership role at Symantec, and helmed security research, awareness and education at Commonwealth Bank. Basic Authentication A. Click Create App Integration. Suspicious activity events | Okta Monitoring and reports > Reports Suspicious activity events Suspicious activity that is identified for end-user accounts can be queried in the System Log. 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. This is expected behavior because, when the user provided biometrics to unlock their device, the authentication policy evaluated that as the first authentication factor. Sign in to your Okta organization with your administrator account. Create a Policy for MFA over Modern Authentication. The Okta Events API provides read access to your organization's system log. If only rich client authentication (as opposed to browser-based authentication) isn't working, it more likely indicates a rich client authentication issue. Managing the users that access your application. Important:The System Log APIwill eventually replace the Events API and contains much more structured data. For example, when a user authenticates to a Windows 10 machine registered to AAD, the machine is logged in via an/username13 endpoint; when authenticating Outlook on a mobile device the same user would be logged in using Active Sync endpoints. Use multi-factor authentication to provide a higher level of assurance even if a user's password has been compromised. Okta gives you one place to manage your users and their data. Oktas Autopilot enrollment policy takes Autopilot traffic (by endpoint) out of the legacy authentication category, which would normally be blocked by the default Office 365 sign-in policy. If the number of choices is overwhelming, we recommend exporting the search to a CSV or continuing the search in a SIEM. In the Admin Console, go to Applications> Applications. The MFA requirement is fulfilled and the sign-on flow continues. Later sections of this paper focus on changes required to enforce MFA on Office 365 using federated authentication with Okta as IDP. Troubleshoot the MFA for Windows Credential Provider | Okta Its rare that an organization can simply abandon its entire on-prem AD infrastructure and become cloud-centric overnight. Note: Delete the appCreds.txt and the appbase64Creds.txt files after you finish. Provide Microsoft admin consent for Okta | Okta Securing Office 365 with Okta | Okta Enter the following command to encode the client ID and client secret: copycertutil -encode appCreds.txt appbase64Creds.txt. When you configure Okta FastPass, make sure you remove the default global password requirement from your Global Session Policy. First off, youll need Windows 10 machines running version 1803 or above. AAD receives the request and checks the federation settings for domainA.com. See Request for token in the next section. Our developer community is here for you. 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. 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. 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. 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. Enter the following command to view the current configuration: 3. This can be done using the Exchange Online PowerShell Module. On its next sync interval (may vary default interval is one hour), AAD Connect sends the computer. Additionally, a good solution is to disable all Microsoft services that use legacy authentication and adjust the O365 sign-in policy within Okta to allow only legacy authentication within the local intranet. Any 2 factor types: The user must provide any two authentication factors. Using Okta for Hybrid Microsoft AAD Join | Okta Never re-authenticate if the session is active: The user is not required to re-athenticate if they are in an active session. Most organizations typically rely on a healthy number of complementary, best-of-breed solutions as well. But they wont be the last. Configure an authentication policy for Okta FastPass | 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. User may have an Okta session, but you won't be able to kill it, unless you use management API. okta authentication of a user via rich client failure

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