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os_root_disable Disable Root Login

NIST macOS Security Compliance Project Sequoia Guidance, Revision 4.0 (be5491f)
All changes in this version
first version loaded macOS

Title

Disable Root Login

Control

/usr/bin/dscl . -read /Users/root UserShell 2>&1 | /usr/bin/grep -c "/usr/bin/false"

Discussion

To assure individual accountability and prevent unauthorized access, logging in as root at the login window _MUST_ be disabled.

The macOS system _MUST_ require individuals to be authenticated with an individual authenticator prior to using a group authenticator, and administrator users _MUST_ never log in directly as root.

Related controls

ia-2, ia-2.5

Fix

[source,bash]
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/usr/bin/dscl . -create /Users/root UserShell /usr/bin/false
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