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The Telnet Client must not be installed on the system.


Finding ID Version Rule ID IA Controls Severity
V-253278 WN11-00-000115 SV-253278r828918_rule Medium
The "Telnet Client" is not installed by default. Some protocols and services do not support required security features, such as encrypting passwords or traffic.
Microsoft Windows 11 Security Technical Implementation Guide 2023-09-29


Check Text ( C-56731r828916_chk )
Verify Telnet Client has not been installed.

Navigate to the Windows\System32 directory.

If the "telnet" application exists, this is a finding.
Fix Text (F-56681r828917_fix)
Uninstall "Telnet Client" from the system.

Run "Programs and Features".
Select "Turn Windows Features on or off".

De-select "Telnet Client".