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AC-9 (2)

AC-9 (2): Successful / Unsuccessful Logons

The information system notifies the user of the number of [Selection: successful logons/accesses; unsuccessful logon/access attempts; both] during [Assignment: organization-defined time period].

Supplemental

None

CIA Levels
Confidentiality	unknown
Integrity	unknown
Availability	unknown

Overlays
NC3

Related Controls

The controls below (if any) were marked by NIST as being related to AC-9 (2).

Control	Description
No controls

Enhancements

The controls below (if any) add on to the requirements of AC-9 (2).

Control	Description
No controls

Related CCIs

The CCIs below are tied to AC-9 (2).

CCI	Definition
CCI-001389	The organization defines the time period that the information system notifies the user of the number of successful logon/access attempts.
CCI-001390	The organization defines the time period that the information system notifies the user of the number of unsuccessful logon/access attempts.
CCI-001391	The information system notifies the user of the number of successful logins/accesses that occur during the organization-defined time period.
CCI-001392	The information system notifies the user of the number of unsuccessful login/access attempts that occur during organization-defined time period.