# Security

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**This is a premium feature. Please get in touch with the Support team to upgrade your plan and unlock full access.**
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**Single Sign-On (SSO)** allows users to access multiple applications with one login credentials. In an **Applicant Tracking System (ATS)**, SSO enables users to log in once using their organization’s credentials and seamlessly access the ATS and related systems. This simplifies access, enhances security, and improves the user experience across integrated recruitment tools.

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SSO is very convenient because users don’t need to memorize multiple passwords or perform multiple login operations. When implemented correctly, Single Sign-On (SSO) solutions also improve security and reduce risks created by weak, repeated, or lost passwords
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<figure><img src="/files/C5Q4QEynKswtyJ0yRWbp" alt="" width="413"><figcaption></figcaption></figure>

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NOTE:&#x20;

* Once the SSO setting is completed, all currently logged-in users will be automatically logged out and will need to log in again to access Hireforce.​
* The Client Secret Key is set for a specific duration by the Microsoft administrator during application registration. After this duration expires, all users in the tenant will be automatically signed out. You must update the Client Secret Key; otherwise, users in that tenant will be unable to log in.
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{% content-ref url="/pages/osl5QZGhUt2LWb4tOM6m" %}
[How to set up SSO on Hireforce?](/product-guides/security/how-to-set-up-sso-on-hireforce.md)
{% endcontent-ref %}

{% content-ref url="/pages/eC4yu2VcaIlrznoGq0xJ" %}
[Session Management](/product-guides/security/session-management.md)
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