STIGQter STIGQter: STIG Summary: Microsoft Exchange 2016 Mailbox Server Security Technical Implementation Guide Version: 2 Release: 6 Benchmark Date: 24 Jan 2024:

Exchange software must be monitored for unauthorized changes.

DISA Rule

SV-228402r928977_rule

Vulnerability Number

V-228402

Group Title

SRG-APP-000381

Rule Version

EX16-MB-000590

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

Update the EDSP to specify that the organization monitors system files on servers for unauthorized changes against a baseline on a weekly basis or verify that this information is documented by the organization.

Monitor the software files (e.g., *.exe, *.bat, *.com, *.cmd, and *.dll) on Exchange servers for unauthorized changes against a baseline on a weekly basis.

Note: This can be done with the use of various monitoring tools.

Check Contents

Review the Email Domain Security Plan (EDSP).

Determine whether the site monitors system files (e.g., *.exe, *.bat, *.com, *.cmd, and *.dll) on servers for unauthorized changes against a baseline on a weekly basis.

If software files are not monitored for unauthorized changes, this is a finding.

Vulnerability Number

V-228402

Documentable

False

Rule Version

EX16-MB-000590

Severity Override Guidance

Review the Email Domain Security Plan (EDSP).

Determine whether the site monitors system files (e.g., *.exe, *.bat, *.com, *.cmd, and *.dll) on servers for unauthorized changes against a baseline on a weekly basis.

If software files are not monitored for unauthorized changes, this is a finding.

Check Content Reference

M

Target Key

4223