Detections
Analytics
WN11-SO-000180 - NTLM must be prevented from falling back to a Null session.
Information
NTLM sessions that are allowed to fall back to Null (unauthenticated) sessions may gain unauthorized access.Solution
Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> 'Network security: Allow LocalSystem NULL session fallback' to 'Disabled'.See Also
https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_MS_Windows_11_V2R11_STIG.zip
Item Details
Audit Name: DISA Microsoft Windows 11 STIG v2r11
Category: CONFIGURATION MANAGEMENT
References: 800-53|CM-6b., CAT|II, CCI|CCI-000366, Rule-ID|SV-253458r1268251_rule, STIG-ID|WN11-SO-000180, Vuln-ID|V-253458
Plugin: Windows
Control ID: dd54a17588b17e26adff06b027b0a20ccbc6dd81bd6cc851f5f1236d11a13a82