SANS Stormcast Tuesday, January 20th, 2026: Scans Against LLMs; NTLM Rainbow Table; OOB MSFT Patch
Update: 2026-01-20
Description
"How many states are there in the United States?"
Attackers are actively scanning for LLMs, fingerprinting them using the query How many states are there in the United States? .
https://isc.sans.edu/diary/%22How%20many%20states%20are%20there%20in%20the%20United%20States%3F%22/32618
Closing the Door on Net-NTLMv1: Releasing Rainbow Tables to Accelerate Protocol Deprecation
Mandiant is publicly releasing a comprehensive dataset of Net-NTLMv1 rainbow tables to underscore the urgency of migrating away from this outdated protocol.
https://cloud.google.com/blog/topics/threat-intelligence/net-ntlmv1-deprecation-rainbow-tables
Out-of-band update to address issues observed with the January 2026 Windows security update
Microsoft has identified issues upon installing the January 2026 Windows security update. To address these issues, an out-of-band (OOB) update was released today, January 17, 2026
https://learn.microsoft.com/en-us/windows/release-health/windows-message-center
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