How to Defend Against an Overpass the Hash Attack

Pass the Ticket attacks abuse Kerberos: attackers extract TGTs and service tickets from memory using Rubeus, then reuse them to impersonate users and move laterally, enabling ransomware or APTs.

Golden Ticket attacks forge Kerberos TGTs using the KRBTGT account hash to gain unrestricted domain access. Explains Kerberos and KRBTGT basics, how Mimikatz is used, and defensive tactics.

Releases Invoke-DCSync, a PowerShell wrapper around Mimikatz's DCSync feature that impersonates a domain controller to dump account hashes without touching the DC.

Introduces Invoke-MassMimikatz-PsRemoting, which combines SPN discovery, PowerShell Remoting, and Invoke-Mimikatz to harvest credentials from many domain systems automatically.

Pass the Hash attacks skip cracking: attackers dump NTLM hashes (e.g., Mimikatz) and replay them to authenticate across networks, enabling stealthy lateral movement and privilege escalation.

Semperis argues AI-driven attacks are outpacing identity teams as machine identities outnumber human ones 10:1, and urges building organization-wide cyber resilience around hybrid identity protection before the next crisis.