account manager

An organizational role or designated individual responsible for overseeing the full lifecycle of user or system accounts — creation, modification, monitoring, disabling, and removal — on behalf of an organization's access-control program. Under NIST SP 800-53 (AC-2), organizations are required to assign account managers as a named element of the account management control, alongside specifying authorized users, defining account types, and requiring approvals for account creation. In practice, account managers are the parties who must be notified when an account is created, enabled, modified, disabled, or removed, or when users are terminated or transferred. NIST SP 800-171 likewise requires organizations to notify account managers within organization-defined time periods when accounts are no longer required, when users are terminated or transferred, or when system usage or need-to-know changes for an individual.

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