Kerberoasting Explained: A Step-by-Step Guide for CISSP Domain 5 (2025)

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Chapters
00:00 What is Kerberoasting? Core Definition
01:22 Why Kerberoasting is Effective
01:48 Kerberoasting Step 1: Service Account Enumeration
02:12 Step 2: Service Ticket Request
02:32 Step 3: Offline Password Cracking
02:52 Step 4: Credential Validation and Exploitation
03:07 Why Kerberoasting is Difficult to Detect
03:32 Kerberoasting: Key Detection Indicators
03:52 Mitigation and Defense Strategies
04:17 Kerberoasting vs. Other Kerberos Attacks


Master Kerberoasting attacks - the most accessible Kerberos exploitation technique that any authenticated domain user can execute. Essential knowledge for CISSP Domain 5 (Identity and Access Management) and critical for cybersecurity professionals defending against credential theft attacks.

What You'll Learn:

Attack Fundamentals:
Kerberoasting attack definition and methodology using standard Kerberos operations
Why this technique is so effective with minimal prerequisites and detection challenges
How attackers exploit steps 3 and 4 of normal Kerberos authentication flows

Attack Execution Process:
Service account enumeration using Service Principal Names (SPNs)
Service ticket request techniques that appear as legitimate Kerberos traffic
Offline password cracking methods targeting service account credentials
Credential validation and exploitation for lateral movement

Detection & Defense:
Why Kerberoasting is difficult to detect using standard monitoring tools
Key detection indicators including unusual ticket request patterns
Immediate response procedures and service account password reset protocols
Advanced protection measures including Managed Service Accounts and PAM solutions

Strategic Analysis:
Comparison with Silver Ticket and Golden Ticket attack techniques

Critical Insights:
How any domain user can perform these attacks without elevated privileges
Why service accounts with weak passwords are prime targets
How offline password cracking occurs outside network detection capabilities

Perfect for CISSP candidates