Applicable

(Y)es / (N)o

(C)onfidentiality

(I)ntegrity

(A)vailability

RPN

(C+I+A)

(S)atisfactory

L1

M2

H3

L1

M2

H3

L1

M2

H3

(O)ther than satisfactory +##

au-5(1)

response to audit processing failures  | audit storage capacity

assessment objective:

Determine if:

au-5(1)[1]

the organization defines:

au-5(1)[1][a]

personnel to be warned when allocated audit record storage volume reaches organization-defined percentage of repository maximum audit record storage capacity;

au-5(1)[1][b]

roles to be warned when allocated audit record storage volume reaches organization-defined percentage of repository maximum audit record storage capacity; and/or

au-5(1)[1][c]

locations to be warned when allocated audit record storage volume reaches organization-defined percentage of repository maximum audit record storage capacity;

au-5(1)[2]

the organization defines the time period within which the information system is to provide a warning to the organization-defined personnel, roles, and/or locations when allocated audit record storage volume reaches the organization-defined percentage of repository maximum audit record storage capacity;

au-5(1)[3]

the organization defines the percentage of repository maximum audit record storage capacity that, if reached, requires a warning to be provided; and

au-5(1)[4]

the information system provides a warning to the organization-defined personnel, roles, and/or locations within the organization-defined time period when allocated audit record storage volume reaches the organization-defined percentage of repository maximum audit record storage capacity.

potential assessment methods and objects:

Examine: [select from: Audit and accountability policy; procedures addressing response to audit processing failures; information system design documentation; security plan; information system configuration settings and associated documentation; information system audit records; other relevant documents or records].

Interview: [select from: Organizational personnel with audit and accountability responsibilities; organizational personnel with information security responsibilities; system/network administrators; system developers].

Test: [select from: Automated mechanisms implementing audit storage limit warnings].