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Delve into our comprehensive article about the S4U2Self Attack. Understand its mechanisms, impacts, and measures for prevention and security enhancement. Explore more today. |
S4U2Self (Service for User to Self) is an extension that allows a service to obtain a service ticket (TGS) on behalf of a user to itself.
The S4U2Self Attack exploits the S4U2Self extension in Kerberos authentication.
This extension is designed to allow a service to obtain a service ticket on behalf of a user, without requiring the user's credentials.
In a S4U2Self Attack, an attacker with control over a compromised service can abuse this feature to impersonate any user in the system, even those with higher privileges.
This can potentially lead to unauthorized access to sensitive information or systems within a network.