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 +##

sa-15(5)

development process, standards, and tools  | attack surface reduction

assessment objective:

Determine if the organization:

sa-15(5)[1]

defines thresholds to which attack surfaces are to be reduced; and

sa-15(5)[2]

requires the developer of the information system, system component, or information system service to reduce attack surfaces to organization-defined thresholds.

potential assessment methods and objects:

Examine: [select from: System and services acquisition policy; procedures addressing development process, standards, and tools; procedures addressing attack surface reduction; solicitation documentation; acquisition documentation; service-level agreements; acquisition contracts for the information system, or information system service; information system design documentation; network diagram; information system configuration settings and associated documentation establishing/enforcing organization-defined thresholds for reducing attack surfaces; list of restricted ports, protocols, functions and services; other relevant documents or records].

Interview: [select from: Organizational personnel with system and services acquisition responsibilities; organizational personnel with information security responsibilities; organizational personnel responsibility for attack surface reduction thresholds; system developer].

Test: [select from: Organizational processes for defining attack surface reduction thresholds].