Microsoft Tenant Hardening
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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.
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Enable Microsoft Entra self-service password reset (SSPR)
Microsoft Entra self-service password reset (SSPR) allows users to change or reset the password on their own. It does not require support from the helpdesk. To allow the user to change or reset the password, the following authentication methods are available for Microsoft Entra self-service password reset (SSPR):
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Microsoft Entra: How to Block Legacy Authentication Using Conditional Access
Protocols such as POP3, IMAP, SMTP, or MAPI rely on outdated authentication methods known as legacy authentication. These methods do not support modern security mechanisms such as multi-factor authentication (MFA), making them a preferred entry point for attackers.
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Reviewing user registrations for multi-factor authentication
To perform a security audit, it is necessary to review the registered multi-factor authentication methods of each user in the Microsoft Tenant. This can help identify and address potential vulnerabilities before they are exploited. Additionally, this evaluation can be used to inform users of potentially more convenient MFA methods they could use instead of their current methods.