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The macOS system must enforce FileVault.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-277166APPL-26-005020SV-277166r1148950_ruleCCI-001199high
Description
The information system implements cryptographic mechanisms to protect the confidentiality and integrity of information stored on digital media during transport outside of controlled areas. Satisfies: SRG-OS-000185-GPOS-00079, SRG-OS-000404-GPOS-00183, SRG-OS-000405-GPOS-00184
STIGDate
Apple macOS 26 (Tahoe) Security Technical Implementation Guide2026-05-23

Related Frameworks

3 mappings across 5 frameworks
SCF0 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (8) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

CRY-01Use of Cryptographic Controls
1.00
CRY-01.1Alternate Physical Protection
1.00
CRY-05Encrypting Data At Rest
1.00
DCH-01Data Protection
1.00
BCD-11.4Cryptographic Protection
0.50
CRY-04Transmission Integrity
0.50
DCH-07.2Encrypting Data In Storage Media
0.50
END-02Endpoint Protection Measures
0.50
NIST 800-530 mappings

No source states a mapping between these directly.

Also reachable in 2 hops (44) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

AC-17(2)Protection of Confidentiality and Integrity Using Encryption
1.00
AC-2(3)Disable Accounts
1.00
AC-2(8)Dynamic Account Management
1.00
AC-3Access Enforcement
1.00
AC-3(7)Role-based Access Control
1.00
AC-4Information Flow Enforcement
1.00
AC-6(10)Prohibit Non-privileged Users from Executing Privileged Functions
1.00
AU-1Policy and Procedures
1.00
AU-10Non-repudiation
1.00
AU-4(1)Transfer to Alternate Storage
1.00

+34 more (top 10 by confidence shown)

NIST 800-1710 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (1) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

3.13.16
1.00
CCI3 mappings
CCI-001199
1.00
CCI-002475
1.00
CCI-002476
1.00
NIST CSF 2.00 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (2) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

PR.DS-01
1.00
PR.DS-02
0.50

Who does this work

7 NICE work roles and 7 EC-Council certifications.

This is an inference across published mappings, not a single claim by anyone. This check maps to a control, which maps to a Cybersecurity Framework outcome, which NIST assigns to the work roles below. EC-Council separately maps its certifications to those same roles.

A certification prepares someone for a role. It is not evidence that a holder is qualified, and neither NIST nor EC-Council has stated that any certification here addresses this check.

Work-role assignments published by NIST (NICE Framework Components 2.2.0 and the CSF 2.0 OLIR crosswalk). Certification mappings published by EC-Council.

Details

Check Text (C-277166r1148950_chk)

Verify the macOS system is configured to enforce FileVault with the following command: dontAllowDisable=$(/usr/bin/osascript -l JavaScript << EOS $.NSUserDefaults.alloc.initWithSuiteName('com.apple.MCX')\ .objectForKey('dontAllowFDEDisable').js EOS ) fileVault=$(/usr/bin/fdesetup status | /usr/bin/grep -c "FileVault is On.") if [[ "$dontAllowDisable" == "true" ]] && [[ "$fileVault" == 1 ]]; then echo "1" else echo "0" fi If the result is not "1", this is a finding.

Fix Text (F-81226r1148949_fix)

Refer to the FileVault supplemental to implement this rule. Configure the macOS system to enforce FileVault by installing the "com.apple.MCX" configuration profile.