Closing the Door on Net-NTLMv1: Releasing Rainbow Tables to Accelerate Protocol Deprecation
Written by: Nic Losby Introduction Mandiant is publicly releasing a comprehensive dataset of Net-NTLMv1 rainbow tables to underscore the urgency of migrating away from this outdated protocol. Despite Net-NTLMv1 being deprecated and known to be insecure for over two decades—with cryptanalysis dating back to 1999—Mandiant consultants continue to identify its use in active environments. This […]



