Details
The IMAP4 protocol is not approved for use within the DoD. It uses a clear text-based user name and password and does not support the DoD standard for PKI for email access. User name and password could easily be captured from the network, allowing malicious users to access other system features. Uninstalling or disabling the service will prevent the use of the IMAP4 protocol.
Solution
Open the Windows PowerShell and enter the following command:
services.msc
Navigate to and double-click on Microsoft Exchange IMAP4 Backend.
Click on the General tab.
In the Startup Type: dropdown, select Disabled.
Click the OK button.
Supportive Information
The following resource is also helpful.
This security hardening control applies to the following category of controls within NIST 800-53: Configuration Management.This control applies to the following type of system Windows.
References
- 800-53|CM-7a.
- CAT|II
- CCI|CCI-000381
- Rule-ID|SV-84375r1_rule
- STIG-ID|EX13-CA-000095
- Vuln-ID|V-69753