The UEM server must automatically lock the account until the locked account is released by an administrator when three unsuccessful login attempts in 15 minutes are exceeded.

Severity
Group ID
Group Title
Version
Rule ID
Date
STIG Version
mediumV-234491SRG-APP-000345SRG-APP-000345-UEM-000218SV-234491r961368_rule2025-09-102

Description

By limiting the number of failed login attempts, the risk of unauthorized system access via user password guessing, otherwise known as brute forcing, is reduced. Limits are imposed by locking the account. Satisfies:FMT_SMF.1(2)b Reference:PP-MDM-431030

ℹ️ Check

Requirement is Not Applicable when UEM server is configured to use DoD Central Directory Service for administrator account authentication. Verify the UEM server automatically locks the account until the locked account is released by an administrator when three unsuccessful login attempts in 15 minutes are exceeded. If the UEM server does not automatically lock the account until the locked account is released by an administrator when three unsuccessful login attempts in 15 minutes are exceeded, this is a finding.

✔️ Fix

Configure the UEM server to automatically lock the account until the locked account is released by an administrator when three unsuccessful login attempts in 15 minutes are exceeded.