The UEM server must enforce the limit of three consecutive invalid logon attempts by a user during a 15-minute time period.

Severity	Group ID	Group Title	Version	Rule ID	Date	STIG Version
medium	V-234310	SRG-APP-000065	SRG-APP-000065-UEM-000036	SV-234310r960840_rule	2024-12-09	2

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-431028

ℹ️ Check
Requirement is Not Applicable when the UEM server is configured to use DoD Central Directory Service for administrator account authentication. Verify the UEM server enforces the limit of three consecutive invalid logon attempts by a user during a 15-minute time period. If the UEM server does not enforce the limit of three consecutive invalid logon attempts by a user during a 15-minute time period, this is a finding.

ℹ️ Check

Requirement is Not Applicable when the UEM server is configured to use DoD Central Directory Service for administrator account authentication. Verify the UEM server enforces the limit of three consecutive invalid logon attempts by a user during a 15-minute time period. If the UEM server does not enforce the limit of three consecutive invalid logon attempts by a user during a 15-minute time period, this is a finding.

✔️ Fix
Configure the UEM server to enforce the limit of three consecutive invalid logon attempts by a user during a 15-minute time period.