In KSC 13 and earlier, KLAdmin was the default service account. From KSC 14.2 onward, the installer forces a strong password during setup and optionally disables KLAdmin in favor of a system-managed account. However, upgrades from older versions may retain the legacy KLAdmin with its original password.
Leaving KLAdmin:KLAdmin unchanged exposes the organization to: Kladmin Default Password Kaspersky
If you have scheduled tasks (e.g., updates, inventory scans) or integration with third-party systems (SIEM, ticketing) that use the kladmin account explicitly, changing the password will break them. You must update those service configurations immediately. In KSC 13 and earlier, KLAdmin was the