Detections
Analytics

1.151 WN11-CC-000206

Information

Windows Update must not obtain updates from other PCs on the internet.

GROUP ID: V-253394
RULE ID: SV-253394r991589

Windows 11 allows Windows Update to obtain updates from additional sources instead of Microsoft. In addition to Microsoft, updates can be obtained from and sent to PCs on the local network as well as on the Internet. This is part of the Windows Update trusted process, however to minimize outside exposure, obtaining updates from or sending to systems on the internet must be prevented.

Solution

Configure the policy value for

Computer Configuration >> Administrative Templates >> Windows Components >> Delivery Optimization >> 'Download Mode'

to 'Enabled' with any option except 'Internet' selected.

Acceptable selections include:
Bypass (100)
Group (2)
HTTP only (0)
LAN (1)
Simple (99)

.

See Also

https://workbench.cisecurity.org/benchmarks/27756

Item Details

Category: CONFIGURATION MANAGEMENT

References: 800-53|CM-6b., CCI|CCI-000366, Rule-ID|SV-253394r991589_rule, STIG-ID|WN11-CC-000206, Vuln-ID|V-253394

Plugin: Windows

Control ID: c46b35a7ce061b8c3105466069ee993d75a70b998cfa132030e84acb5703c268