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Author: Oliver Müller Page 2 of 13

Microsoft Entra ID: Revoke user access in an emergency

At a time when digital security is becoming increasingly important, managing user access is a crucial factor in protecting sensitive data and resources. Microsoft Entra provides companies with powerful tools to control and monitor access to critical information and systems. Especially in critical situations, such as compromised user accounts or employee departures, it is essential to quickly and securely revoke access to minimize potential security risks.

Windows Hello for Business: Enhanced Security with Multi-Factor Unlock

Passwords alone no longer provide sufficient protection against data loss and unauthorized access. This is where Windows Hello for Business comes into play. This modern authentication method from Microsoft enables companies to authenticate their employees more securely using biometric data such as facial recognition or fingerprints, along with additional unlock factors like PIN codes or trusted signals. Furthermore, Windows Hello for Business supports multi-factor unlock, combining several authentication factors to make device access even more secure. This multi-factor unlock offers a significant security advantage by integrating multiple layers of protection, thereby significantly reducing the risk of security breaches.

Kerberos Cloud Trust and Windows Hello for Business: Secure and Seamless Authentication in Hybrid Environments

Kerberos Cloud Trust is a hybrid authentication protocol developed by Microsoft to enable secure and passwordless sign-ins. Kerberos Cloud Trust combines the strengths of Kerberos and Windows Hello for Business to offer a modern, secure, and user-friendly authentication solution. It is particularly useful in hybrid environments where both cloud and on-premises resources are utilized. Users authenticate securely and seamlessly both locally and in the cloud.

Microsoft Entra ID: Automatically roll over Kerberos decryption key

The regular roll over of the Kerberos decryption key is crucial to ensure the security and integrity of seamless Single Sign-On (SSO) in hybrid IT environments. Microsoft recommends rolling over this key every 30 days to close potential security gaps and ensure smooth integration between on-premises Active Directory and Microsoft Entra ID. This process can be automated to minimize administrative effort and ensure continuous security.

Switch from per-user MFA to MFA with Microsoft Entra Conditional Access

Setting up Multi-Factor Authentication (MFA) per user significantly enhances the security of a Microsoft tenant and is now the standard practice for every administrator. With per-user MFA, a Multi-Factor Authentication is required from the user during each sign-in. However, this can lead to frustration among legitimate users whose workflows are disrupted by frequent MFA prompts. To achieve a better user experience while balancing security and usability, it is recommended to switch to MFA (Multi-Factor Authentication) using Microsoft Entra Conditional Access.

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