The OS X system must restrict the ability of individuals to use USB storage devices.

From Apple OS X 10.12 Security Technical Implementation Guide

Part of SRG-OS-000480-GPOS-00227

Associated with: CCI-000366

SV-90789r1_rule The OS X system must restrict the ability of individuals to use USB storage devices.

Vulnerability discussion

External hard drives, such as USB, must be disabled for users. USB hard drives are a potential vector for malware and can be used to exfiltrate sensitive data if an approved data-loss prevention (DLP) solution is not installed.

Check content

If an approved HBSS DCM/DLP solution is installed, this is not applicable. To verify external USB drives are disabled, run the following command: /usr/sbin/system_profiler SPConfigurationProfileDataType | /usr/bin/grep -A 3 harddisk-external If the option "eject,alert" is not set for "harddisk-external", this is a finding.

Fix text

This setting is enforced using the "Restrictions Policy" configuration profile.

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