Rainbow tables—precomputed hash lookup tables used to crack passwords—are resurfacing as a practical threat against legacy systems. Security researchers at Mandiant released new tables targeting weak NTLMv1 authentication, demonstrating they can break admin passwords in hours, exposing how outdated Windows infrastructure remains vulnerable despite modern alternatives.
·Mandiant released rainbow tables that crack weak NTLMv1 admin passwords in 12 hours
·Google security researchers demonstrated the ease of breaking old Microsoft Windows logins using rainbow table methods
·GDPR fines and Rockwell security notices highlight the real-world impact of password compromise via rainbow tables
·Legacy authentication protocols continue to pose risks years after more secure alternatives became standard
·AI and emerging threats are accelerating identity risks in aging IoT and enterprise infrastructure
drawn from Infosecurity Magazine, SecurityWeek, Ars Technica, CyberSecurityNews · updated 57d ago