The Kerberos equivalent of pass-the-hash — reusing a TGT or service ticket extracted from one host to authenticate as that user elsewhere.
Extracted via Mimikatz from LSASS or via Rubeus from Kerberos cache. Defence focuses on detection (TGS-REQ from anomalous source) and credential hygiene (short TGT lifetimes, no Tier 0 logins on user endpoints).
See our web application penetration testing, API security testing, network penetration testing, and cloud security audit services for how we test for and defend against this class of issue.
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