Dependent accounts are accounts that represent resources such as Windows Services, Windows Scheduled Tasks, and others, which are accessed from a target machine and require the same credentials as the target machine. The CyberArk Privileged Account Security Solution’s Central Policy Manager (CPM) supports out-of-the-box dependent accounts for Windows Services, Windows Scheduled Tasks, and Windows Registry. When changing a password, the CPM synchronizes the target account password with all other occurrences of that password in any related dependent accounts. This ensures that all dependent accounts are updated simultaneously to maintain security and functionality12. References:

CyberArk Docs: Manage dependent accounts1

CyberArk Docs: Supported dependent accounts