ADFS – Extranet Smart Lockout (ESL)

Since June 2018, There is this new feature for your AD FS 2016 infrastructure called Extranet Smart Lockout (ESL). The feature is similar to the one present in the Azure cloud called Azure AD Smart Lockout. The feature let you differentiate between sign-in attempts that look like they’re from the valid user and sign-ins from what may be an attacker. As a result, AD FS can lock out attackers while letting valid users continue to use their accounts. This prevents denial-of-service on the user and protects against targeted attacks. This feature only […]

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