II - Mission Support Classified
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000028-GPOS-00009
<GroupDescription></GroupDescription>Group -
The macOS system must be configured to prevent Apple Watch from terminating a session lock.
<VulnDiscussion>Users must be prompted to enter their passwords when unlocking the screen saver. The screen saver acts as a session lock and ...Rule Medium Severity -
SRG-OS-000028-GPOS-00009
<GroupDescription></GroupDescription>Group -
The macOS system must retain the session lock until the user reestablishes access using established identification and authentication procedures.
<VulnDiscussion>Users must be prompted to enter their passwords when unlocking the screen saver. The screen saver acts as a session lock and ...Rule Medium Severity -
SRG-OS-000028-GPOS-00009
<GroupDescription></GroupDescription>Group -
The macOS system must initiate the session lock no more than five seconds after a screen saver is started.
<VulnDiscussion>A screen saver must be enabled and set to require a password to unlock. An excessive grace period impacts the ability for a s...Rule Medium Severity -
SRG-OS-000029-GPOS-00010
<GroupDescription></GroupDescription>Group -
The macOS system must initiate a session lock after a 15-minute period of inactivity.
<VulnDiscussion>A screen saver must be enabled and set to require a password to unlock. The timeout must be set to 15 minutes of inactivity. ...Rule Medium Severity -
SRG-OS-000030-GPOS-00011
<GroupDescription></GroupDescription>Group -
The macOS system must be configured to lock the user session when a smart token is removed.
<VulnDiscussion>A session lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the ...Rule Medium Severity -
SRG-OS-000031-GPOS-00012
<GroupDescription></GroupDescription>Group -
The macOS system must conceal, via the session lock, information previously visible on the display with a publicly viewable image.
<VulnDiscussion>A default screen saver must be configured for all users, as the screen saver will act as a session timeout lock for the syste...Rule Medium Severity -
SRG-OS-000031-GPOS-00012
<GroupDescription></GroupDescription>Group -
The macOS system must be configured to disable hot corners.
<VulnDiscussion>Although hot corners can be used to initiate a session lock or launch useful applications, they can also be configured to dis...Rule Medium Severity -
SRG-OS-000002-GPOS-00002
<GroupDescription></GroupDescription>Group -
The macOS system must automatically remove or disable temporary and emergency user accounts after 72 hours.
<VulnDiscussion>If temporary user accounts remain active when no longer needed or for an excessive period, these accounts may be targeted by ...Rule Medium Severity -
SRG-OS-000355-GPOS-00143
<GroupDescription></GroupDescription>Group -
The macOS system must compare internal information system clocks at least every 24 hours with a server that is synchronized to one of the redundant United States Naval Observatory (USNO) time servers or a time server designated for the appropriate DOD network (NIPRNet/SIPRNet) and/or the Global Positioning System (GPS).
<VulnDiscussion>Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the cor...Rule Medium Severity -
SRG-OS-000191-GPOS-00080
<GroupDescription></GroupDescription>Group -
The macOS system must use an Endpoint Security Solution (ESS) and implement all DOD required modules.
<VulnDiscussion>The macOS system must employ automated mechanisms to determine the state of system components. The DOD requires the installat...Rule Medium Severity
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