The ICS must be configured to enforce the limit of three consecutive invalid logon attempts, after which time it must block any login attempt for 15 minutes.

Severity	Group ID	Group Title	Version	Rule ID	Date	STIG Version
medium	V-258624	SRG-APP-000065-NDM-000214	IVCS-NM-000720	SV-258624r960840_rule	2024-09-16	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.

ℹ️ Check
In the ICS Web UI, navigate to Authentication >> Auth Servers >> Administrators. 1. Under the section "Account Lockout", verify "Enable Account Lockout for users" is checked. 2. Under the section "Account Lockout", verify "Maximum wrong password attempts" is set to "3". 3. Under the section "Account Lockout", verify "Account Lockout Period in Minutes" is set to "15". If the ICS must be configured to enforce the limit of three consecutive invalid logon attempts, after which time it must block any login attempt for 15 minutes, this is a finding.

ℹ️ Check

In the ICS Web UI, navigate to Authentication >> Auth Servers >> Administrators. 1. Under the section "Account Lockout", verify "Enable Account Lockout for users" is checked. 2. Under the section "Account Lockout", verify "Maximum wrong password attempts" is set to "3". 3. Under the section "Account Lockout", verify "Account Lockout Period in Minutes" is set to "15". If the ICS must be configured to enforce the limit of three consecutive invalid logon attempts, after which time it must block any login attempt for 15 minutes, this is a finding.

✔️ Fix
In the ICS Web UI, navigate to Authentication >> Auth Servers >> Administrators. 1. Under the section "Account Lockout", check the box for "Enable Account Lockout for users". 2. Under the section "Account Lockout", set the box "Maximum wrong password attempts" to "3". 3. Under the section "Account Lockout", set the box "Account Lockout Period in Minutes" to "15". 4. Click "Save Changes".