Today’s CISSP question topic: Authentication/Kerberos
Kerberos, a network authentication protocol developed at MIT in the 1990’s serves as the default authentication mechanism for Microsoft’s Active Directory. Kerberos has built-in protections against authentication replay attacks. Which of the following mechanisms provide that protection? (Choose One Answer)
- Software Tokens
- SHA256 Hashes
- Time Stamps
- Pre-Shared Keys
Check Your Answer
Kerberos authenticators use a timestamp to check to see if a packet is being replayed. This is frequently 5 minutes but can be set by the system administrator.
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