Kerberos
Purpose: Facilitates secure authentication between clients and servers over an insecure network. Provides a centralized authentication service, enabling single sign-on (SSO) for users accessing multiple network resources.
Vulnerabilities: Ticket Spoofing: Manipulating Kerberos tickets to impersonate legitimate users or services. Brute-Force Attacks: Attempting to guess user passwords by repeatedly trying different combinations. Kerberos Ticket Expiry: Exploiting long-lived tickets to maintain unauthorized access after legitimate authentication. Replay Attacks: Intercepting and replaying authentic Kerberos tickets to gain unauthorized access. Kerberos Encryption Weaknesses: Exploiting vulnerabilities in encryption algorithms to decrypt or tamper with Kerberos messages.
Tools: MIT Kerberos, KerbCrack, MITM6.

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