Closing the Door on Net-NTLMv1: Releasing Rainbow Tables to Accelerate Protocol Deprecation

Closing the Door on Net-NTLMv1: Releasing Rainbow Tables to Accelerate Protocol Deprecation

• Closing the Door on Net-NTLMv1: Releasing Rainbow Tables to Accelerate Protocol Deprecation Stop attacks, reduce risk, and advance your security. • Written by: Nic Losby Introduc

Threat Intelligence · January 15, 2026 (updated February 24, 2026) · 2 min · 241 words