Microsoft Tenant Hardening
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Passwordless Sign In with Microsoft Authenticator App
Passwordless sign in with the Microsoft Authenticator App makes sign in to Azure and Microsoft 365 cloud services more secure and convenient for the user. The typing of a password is replaced by a modern method, e.g. the Microsoft Authenticator app. Passwordless sign-in to cloud apps can be achieved using various methods: For a significant increase of identities security, the cost-effective variant with the Microsoft Authenticator App is the best choice.
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Microsoft Entra: Roll Over Kerberos Decryption Key
With Seamless Single Sign-On (Seamless SSO), users can leverage the same credentials for both on-premises and cloud-based services. Repeated authentication prompts between these environments are eliminated, as authentication data is automatically exchanged between Active Directory and Microsoft Entra. As part of the Seamless SSO configuration, a computer account named AZUREADSSOACC is created in the on-premises Active Directory. For security reasons, Microsoft recommends rotating the associated Kerberos decryption key every 30 days.
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Microsoft Entra Privileged Identity Management (PIM): Request Microsoft Entra roles or Microsoft Azure roles by User
Microsoft Entra Privileged Identity Management (PIM) optimizes the management of privileged roles to Microsoft Azure and Microsoft 365 resources. This contributes to the improvement of the security standards of cloud services. An additional feature is the Just-in-Time authorization, where a user is granted elevated privileges only for the period in which they are actually needed. This minimizes the risk of misuse and unauthorized access. This guide explains how a user can apply for a Microsoft Entra role or Microsoft Azure role for a specific period of time and how an administrator can efficiently manage this requests.
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Microsoft Entra Privileged Identity Management (PIM): Basic Configuration
Microsoft Entra Privileged Identity Management (PIM) manages and monitors access to Microsoft Entra roles and Microsoft Azure roles. Access to Azure resources and Microsoft online services is on-demand and time-restricted.Users can request privileged roles online. An administrator can approve or deny the request afterwards. The role removes automatically after the specified duration expires. Microsoft Entra Privileged Identity Management (PIM) can minimize the following risks: This guide configures Microsoft Entra Privileged Identity Management (PIM) for Microsoft Entra roles and Microsoft Azure roles.
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Protect user accounts with Microsoft Entra Smart Lockout
Microsoft Entra Smart Lockout is a service that monitors all logins to Microsoft Entra ID. Using various mechanisms, Microsoft Entra Smart Lockout detects an attack on user accounts and locks them out. Among others, it detects try to guess users passwords or brute force attacks. After 10 failed attempts, Microsoft Entra Smart Lockout locks the account for 1 minute. You can adjust these default values to your own needs.
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Phishing protection for app registration
Phishing attacks on users are rising. There are countless possibilities for phishing attacks. One of them attempts to gain unauthorized access to the data via the app registration. If the attack is successful, no password change will lock the attacker out again. Auch die Multi-Faktor-Authentifizierung bietet keinen Schutz, da die App des Angreifers bereits zum Zugriff auf die Daten berechtigt ist. It’s time to restrict app registration and thus increase security against phishing.