Kerberos Authentication and Attacks

Kerberos is a network authentication protocol that uses symmetric-key cryptography and a trusted third party (the Key Distribution Center, or KDC) to authenticate clients to services without transmitting passwords over the network.

ConceptsIATIdentityTIDThreatIntermediateCONFIDENTIAL2,385 words10 min readApr 7, 2026

Last updated Apr 11, 2026v2

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Threat IntelligenceTIDThreatIntermediate

Table of Contents

Kerberos Authentication and Attacks

What you need

Also at this clearance level

APT28 (Fancy Bear / Forest Blizzard)

Lazarus Group (HIDDEN COBRA / Diamond Sleet)

Salt Typhoon

Single Sign-On (SSO) Architecture

The Academy

The Command Post

The Armory