Detections
Analytics
WN11-SO-000190 - Kerberos encryption types must be configured to prevent the use of DES and RC4 encryption suites.
Information
Certain encryption types are no longer considered secure. This setting configures a minimum encryption type for Kerberos, preventing the use of the DES and RC4 encryption suites.Solution
Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> 'Network security: Configure encryption types allowed for Kerberos' to 'Enabled' with only the following selected:AES128_HMAC_SHA1
AES256_HMAC_SHA1
Future encryption types
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: IDENTIFICATION AND AUTHENTICATION
References: 800-53|IA-7, CAT|II, CCI|CCI-000803, Rule-ID|SV-253460r1268232_rule, STIG-ID|WN11-SO-000190, Vuln-ID|V-253460
Plugin: Windows
Control ID: 12ccfe811718ab66443161946fe74575e86e0199243a233e7f306e8c360baa65