3.10.6Cover work-from-home in Rev. 3
Reworded: 03.10.06 Alternate Work Site. Gains organization-defined parameters.
Status as of 2026-09-08
Rev. 2 is what a contract requires today. DFARS 252.204-7012 and the CMMC rule at 32 CFR 170 point at NIST SP 800-171 Rev. 2, and a standing DoD class deviation keeps it there. NIST has published Rev. 3, but publishing a revision does not change an obligation. A move to Rev. 3 would arrive through the Department's reform process and formal rulemaking, a change to that deviation or an amendment to the rule, not through publication. The Department has published its organization-defined parameter values for Rev. 3 in preparation; that is groundwork, not adoption.
Side by side
Rev. 2 · in force 3.10.6 Alternative Work Sites
Assessment objectives · 800-171A
- [a] safeguards for CUI are defined for alternate work sites
- [b] safeguards for CUI at alternate work sites are enforced
Rev. 3 · not adopted 03.10.06 Alternate Work Site
a. Determine alternate work sites allowed for use by employees.
b. Employ the following security requirements at alternate work sites: [Assignment: organization-defined security requirements].
Determination statements · 800-171A Rev. 3
- 03.10.06.a alternate work sites allowed for use by employees are determined.
- 03.10.06.b the following security requirements are employed at alternate work sites: <A.03.10.06.ODP[01]: security requirements>.
Organization-defined parameters
- A.03.10.06.ODP[01] security requirements to be employed at alternate work sites are defined.
Draws on Rev. 2 3.10.6.
Left: NIST SP 800-171 Rev. 2 and 800-171A, verbatim. Right: NIST SP 800-171 Rev. 3 and 800-171A Rev. 3, verbatim, with organization-defined blanks highlighted.
Word by word
The Rev. 2 requirement compared with its Rev. 3 successor. A mechanical comparison of the two verbatim texts, not an interpretation.
removed in Rev. 3 added in Rev. 3
Rev. 2 3.10.6 → Rev. 3 03.10.06 Alternate Work Site
5 words kept, 4 removed, 17 added. Rev. 3 statement labels omitted for the comparison.
What NIST says changed
- New security requirement title
- Aligned with SP 800-53, Rev 5 to provide more comprehensive detail on and foundational tasks for alternate work site
- Added new ODP: security requirements employed at alternate work sites
NIST, SP 800-171 Rev. 2 to Rev. 3 change analysis, class “Significant change”. At adoption, Bedrock files this under “Rework”.
NIST's Rev. 3 discussion for 03.10.06
Alternate work sites include the private residences of employees or other facilities designated by the organization. Alternate work sites can provide readily available alternate locations during contingency operations. Organizations can define different security requirements for specific alternate work sites or types of sites, depending on the work-related activities conducted at the sites. Assessing the effectiveness of the requirements and providing a means to communicate incidents at alternate work sites supports the contingency planning activities of organizations.
What this means for you now
Nothing changes in what you are assessed against until a class deviation or a published rule adopts Rev. 3. Keep meeting 3.10.6 as written in Rev. 2, and if you already choose a value for the parameters above in practice, write it down where your system security plan can find it.
Bedrock CMMC shows this same comparison against your own package, with your current status on the Rev. 2 side, so the day adoption lands the migration is a review, not a rewrite.
Where this page's facts come from
- Rev. 2 text and objectives
- bedrock-cmmc-api@89b8e8e:migrations/004_reference_requirements.sql#Requirement.basicRequirement@rev2; bedrock-cmmc-api@89b8e8e:migrations/005_reference_objectives.sql#AssessmentObjective.description@rev2
- Mapping and change class
- bedrock-cmmc-api@89b8e8e:docs/reference/nist-800-171-rev3/normalized/r2_r3_transition_map.json#r2_to_r3
- Rev. 3 03.10.06
- bedrock-cmmc-api@89b8e8e:docs/reference/nist-800-171-rev3/normalized/rev3.json#requirements[]