Story perspectives

New Mandiant Tool Exposes NTLMv1 Password Vulnerabilities Fast

1/17/2026

Summary

Story summary

Security firm Mandiant released a database containing a rainbow table that can hack admin passwords protected by NTLM.v1.
The table enables password recovery in under 12 hours with hardware under $600.
NTLMv1 remains in use in sensitive networks due to legacy apps and migration costs.
Mandiant says the release helps professionals show Net-NTLMv1 weaknesses without expensive resources.
The database is hosted on Google Cloud and targets network authentication passwords.

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Story summary

Security firm Mandiant released a database containing a rainbow table that can hack admin passwords protected by NTLM.v1.
The table enables password recovery in under 12 hours with hardware under $600.
NTLMv1 remains in use in sensitive networks due to legacy apps and migration costs.
Mandiant says the release helps professionals show Net-NTLMv1 weaknesses without expensive resources.
The database is hosted on Google Cloud and targets network authentication passwords.