Splunk Enterprise must enforce the limit of 3 consecutive invalid logon attempts by a user during a 15 minute time period.
Overview
Finding ID
Version
Rule ID
IA Controls
Severity
V-221941
SPLK-CL-000240
SV-221941r960840_rule
Medium
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.
In most enterprise environments, this requirement is usually mitigated by a properly configured external authentication system, like LDAP. Splunk local authentication takes precedence over other forms of authentication, and cannot be disabled. The mitigation settings in this requirement apply in the event a local account gets created, for example, an emergency account of last resort for recovery.