The individual, group, or organization responsible for conducting a risk assessment.
Source(s):
CNSSI 4009-2015 under risk assessor from NIST SP 800-30 Rev. 1
NIST SP 800-30 Rev. 1 under Risk Assessor
NIST SP 800-37 Rev. 1 under Risk Assessor from NIST SP 800-30

  The individual, group, or organization responsible for conducting a security control assessment.
Source(s):
NIST SP 800-137 under Security Control Assessor from NISTIR 7298
NIST SP 800-30 Rev. 1 under Security Control Assessor
NIST SP 800-37 Rev. 1 under Security Control Assessor
NIST SP 800-39 under Security Control Assessor
NIST SP 800-53 Rev. 4 under Security Control Assessor
NIST SP 800-53A Rev. 4 under Security Control Assessor

  See Security Control Assessor.
Source(s):
NIST SP 800-137 under Assessor
NIST SP 800-37 Rev. 1 under Assessor
NIST SP 800-39 under Assessor
NIST SP 800-53 Rev. 4 under Assessor
NIST SP 800-171 Rev. 2
NIST SP 800-172
NIST SP 800-171 Rev. 1 [Superseded]

  See Security Control Assessor or Privacy Control Assessor.
Source(s):
NIST SP 800-53A Rev. 4 under Assessor

  The individual, group, or organization responsible for conducting a privacy control assessment.
Source(s):
NIST SP 800-53A Rev. 4 under Privacy Control Assessor

  The individual responsible for conducting assessment activities under the guidance and direction of a Designated Authorizing Official. The Assessor is a 3rd party.
Source(s):
NIST SP 800-79-2 under Assessor

  The individual, group, or organization responsible for conducting a security or privacy assessment.
Source(s):
NIST SP 800-37 Rev. 2

  See security control assessor or risk assessor.
Source(s):
CNSSI 4009-2015 from NIST SP 800-30 Rev. 1
NIST SP 800-30 Rev. 1 under Assessor

  The individual, group, or organization responsible for conducting a security or privacy control assessment.
Source(s):
NIST SP 800-53 Rev. 5