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.
An XCCDF Rule
Description
<VulnDiscussion>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.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-258624r930560_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
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".