Non-repudiation in the context of CyberArk Master Policy settings refers to the assurance that a user cannot deny the validity of their actions. The settings that ensure non-repudiation are those that enforce accountability and traceability of actions. Enforcing check-in/check-out exclusive access ensures that only one user can access an account at a time, and their actions can be traced back to themEnforcing one-time password access means that passwords are used only once and then changed, which prevents the reuse of credentials and ties actions to specific instances of access12.

References:

CyberArk Docs: Master Policy Rules2

CyberArk Docs: The Master Policy1