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CCE-95275-4
"Disable sending diagnostic and usage data to Apple To prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e., embedding of data types within data types), organizations must disable or restrict unused or unnecessary physical and logical por ... CCE-95237-4 "Verify group who owns the csh init files The group of csh init files must be wheel." CCE-95226-7 "Audit has insufficient storage The audit service must be configured to require a minimum percentage of free disk space in order to run. This ensures that audit will notify the administrator that action is required to free up more disk space for audit logs. When minfree is set to 25%, security per ... CCE-95203-6 "Enable macOS update installs This setting allows macOS updates to be installed automatically once they are available from Apple. Because patches need to be applied as soon as possible, allowing for automatic updates ensures that the user's device is updated in a timely manner rather than be left v ... CCE-95264-8 "Set the SSH Idle Timeout Interval and the Timeout for the Login Prompt SSH should be configured to log users out after a 15 minute interval of inactivity and to only wait 30 seconds before timing out login attempts. Terminating an idle session within a short time period reduces the window of oppor ... CCE-95251-5 "Password hints on lock screen Controls whether inactivity logs out a user and, if so, how many minutes are required to trigger logout." CCE-95259-8 "Verify user who owns the file /etc/services The owner of the /etc/services file must be root. The services file contains information regarding the known services available in the DARPA Internet. For each service a single line should be present with the following information: official service name, ... CCE-95274-7 "Disable IPv6 Internet Protocol version 6 (IPv6) provides a new Internet layer of the TCP/IP protocol suite that replaces Internet Protocol version 4 (IPv4) and provides many benefits. If you are NOT using IPv6 disable it." CCE-95213-5 "Disable CD/DVD sharing DVD or CD sharing allows other users to remotely access the system's optical drive. Disabling this feature will minimize the risk of an attacker accessing the optical drive and using it as a vector to expose sensitive data." CCE-95263-0 "Prevent Users from Logging in as Root Directly Administrator users must never log in directly as root. To assure individual accountability and prevent unauthorized access, logging in as root over a remote connection must be disabled. Administrators should only run commands as root after first auth ... CCE-95240-8 "Audit Access Control Enforcement By auditing access restriction enforcement, changes to application and OS configuration files can be audited. Without auditing the enforcement of access restrictions, it will be difficult to identify attempted attacks and an audit trail will not be available for fo ... CCE-95225-9 "Don't Forward Source-Routed Packets A source-routed packet attempts to specify the network path that the system should take. If the system is not configured to block the sending of source-routed packets, an attacker can redirect the system's network traffic." CCE-95202-8 "Enable system data files and security update installs This control ensures that system and security updates are installed after they are available from Apple. Staying up to date on patches is necessary to reduce the risk of vulnerabilities being exploited." CCE-95231-7 "Drop Incoming Source-Routed Packets A source-routed packet attempts to specify the network path the packet should take. If the system is not configured to block the incoming source-routed packets, an attacker can redirect the system's network traffic. Configuring the system to drop incoming s ... CCE-95216-8 "Create a Login window banner A policy banner is an additional window that is displayed during the login process. It requires users to acknowledge the contents of the banner by clicking an "Accept" button before proceeding to log in. Often used to supplement the lock screen message text, and to war ... CCE-95254-9 "Verify user who owns the file /etc/syslog.conf The owner of the /etc/syslog.conf file must be root. The syslog.conf file is the configuration file for the syslogd(8) program. It consists of lines with two fields: the selector field which specifies the types of messages and priorities to which the ... CCE-95220-0 "Disable allow guests to connect to shared folders (SMB Server) Allowing guests to connect to shared folders lets users access such folders from different computers on a network. Not allowing guests to connect to shared folders mitigates the risk of an untrusted user doing basic reconnaissance and ... CCE-95205-1 "Enable Secure Keyboard Entry in terminal.app Secure Keyboard Entry prevents other applications on the system and/or network from detecting and recording what is typed into Terminal. Enabling this feature can minimize the risk of a key logger identifying the keys entered into the Terminal" CCE-95243-2 "Local user accounts are visible in the login window The setting controls whether local user accounts are visible in the login window." CCE-95266-3 "Verify group who owns the init files The group of bash init files must be wheel. /etc/profile it is used to set system wide environmental variables on users shells. /etc/bashrc file is meant for setting command aliases and functions used by bash shell users." CCE-95228-3 "Ensure Audit Logs are Kept for 1 Week or Longer The audit service must be configured to require that records are kept for 7 days or longer before deletion when there is no central audit record storage facility. When expire-after is set to 7d, the audit service will not delete audit logs until the ... CCE-95215-0 "Ensure login Screen has a customer message A custom message that can be displayed at the lock screen and FileVault login screen. Often used to warn people of permitted system actions and possible legal consequences of misuse. The benchmark (macOS) states that displaying an access warning may reduc ... CCE-95230-9 "Drop Incoming ICMPv4 Timestamp Requests ICMP Timestamp requests reveal information about the system and can be used to determine which operating system is installed. Precise time data can also be used to launch time based attacks against the system. Configuring the system to drop incoming ICMPv4 t ... CCE-95253-1 "Verify permissions of file /etc/services The permissionbs of the /etc/services file must be 0644 or less. The services file contains information regarding the known services available in the DARPA Internet. For each service a single line should be present with the following information: official s ... CCE-95276-2 "Disable Bonjour advertising Bonjour is an auto-discovery mechanism for TCP/IP devices that enumerate devices and services within a local subnet. DNS on macOS is integrated with Bonjour and should not be turned off, but the Bonjour advertising service can be disabled." CCE-95238-2 "Maximum password lifetime restriction Any password, no matter how complex, can eventually be cracked. Therefore, passwords need to be changed periodically. One method of minimizing this risk is to use complex passwords and periodically change them. If the operating system does not limit the lifet ... CCE-95204-4 "Enable app update installs By automatically installing app store updates in the background, the user safeguarded from potential vulnerabilities in the previous version of the App Store." CCE-95265-5 "Verify user who owns the init files The owner of bash init files must be root. /etc/profile it is used to set system wide environmental variables on users shells. /etc/bashrc file is meant for setting command aliases and functions used by bash shell users." CCE-95256-4 "Set Minimum Password Length to 15 Characters The minimum password length must be set to 15 characters. Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. Password length is one factor of several that helps to ... CCE-95233-3 "Audit Successful and Unsuccessful Logon Attempts An attacker might attempt to log in as an authorized user, through stolen credentials, unpatched exploits, or brute force attempts to guess a valid username and password. If a user is attempting to log in to a system at an unusual time, or if there ... CCE-95210-1 "Disable File Sharing Apple's File Sharing feature uses a combination of SMB (Windows sharing) and AFP (Mac sharing). According to the benchmark (macOS), by disabling file sharing, the risk of unauthorized access to files stored on the system can be reduced." CCE-95218-4 "Disable guest account login The Guest account, a special managed account, is considered a security vulnerability in most situations because it has no password associated with it. Once an attacker has gained guest-level access, the attacker can try to elevate privileges to further exploit a system. ... CCE-95222-6 "Show Filename Extensions A filename extension is a suffix added to a base filename that indicates the base filenames file format. Visible filename extensions allow for the user to identify file types and the applications that files are associated with. It would help in identifying malicious files" CCE-95268-9 "Shut down the Computer if Auditing Fails The audit service should shut down the computer if it is unable to audit system events. Once audit failure occurs, user and system activitity is no longer recorded and malicious activity could go undetected. Audit processing failures include: software/hardw ... CCE-95260-6 "Hide or display the sleep, restart, and shutdown buttons, in the login window. Hide or display the sleep, restart, and shutdown buttons, as a group, in the login window." CCE-95207-7 "Set the Global Umask Setting for System Process The default global umask setting must be set to '027' for user applications. The setting '027' ensures that user created files and directories will be readable, but not writable, by users that share the same group id. Users with a ... CCE-95245-7 "Verify user who owns the csh init files The owner of csh init files must be root." CCE-95206-9 "Time Machine Auto-Backup Operational staff should ensure that backups complete on a regular basis and the backups are tested to ensure that file restoration from backup is possible when needed. Backup dates are available even when the target volume is not available in the Time Machine plist." CCE-95270-5 "Disable Automatic Logons When automatic logins are enabled, the default user account is automatically logged in at boot time without prompting the user for a password. Even if the screen is later locked, a malicious user would be able to reboot the computer in order to log in. Disabling automatic ... CCE-95255-6 "Verify group who owns the file /etc/syslog.conf The group of the /etc/syslog.conf file must be wheel. The syslog.conf file is the configuration file for the syslogd(8) program. It consists of lines with two fields: the selector field which specifies the types of messages and priorities to which th ... CCE-95232-5 "Enable Application Firewall The Application Firewall is the built in firewall that comes with Mac OS X and must be enabled. Firewalls protect computers from network attacks by blocking or limiting access to open network ports. Application firewalls limit which applications are allowed to communica ... CCE-95217-6 "Disable the root account The root account should be disabled on all macOS systems, and a separate administrator 2252 account should be established for each person who will be performing regular administrative tasks." CCE-95244-0 "Verify the file permissions of init files The permissions of bash init files must be 444 or as appropriate. /etc/profile it is used to set system wide environmental variables on users shells. /etc/bashrc file is meant for setting command aliases and functions used by bash shell users." CCE-95267-1 "Disable IPv4 Forwarding IP forwarding for IPv4 must not be enabled, unless the system is a router, as only authorized systems should be permitted to operate as routers." CCE-95229-1 "Drop Incoming ICMPv4 Redirect Messages ICMP redirects are broadcast in order to reshape network traffic. A malicious user could craft fake redirect packets and try to force all network traffic to pass through a network sniffer. If the system is not configured to ignore these packets, it could be s ... CCE-95258-0 "Set the Global Umask Setting for Users The default global umask setting must be set to '027' for user applications. The setting '027' ensures that user created files and directories will be readable, but not writable, by users that share the same group id. Users with a differen ... CCE-95250-7 "Verify the permissions of the audit configuration files The permissions of the audit configuration files must be 0555 or less." CCE-95212-7 "Disable NFS Server NFS sharing could be enabled to allow someone on another computer to mount shares and gain access to information from the user's computer. File serving should not be done from a user desktop, dedicated servers should be used. Open ports make it easier to exploit the computer." CCE-95235-8 "Numeric Character in Passwords Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. Password complexity i ... CCE-95273-9 "Ensure Only root has the UID 0 The built in root account is disabled by default and administrator users are required to use sudo to run a process with the UID '0'. If another account with UID '0' exists, this is a sign of a network intrusion or a malicious user that is attempti ... CCE-95262-2 "Disable Infrared [IR] Infrared [IR] kernel support must be disabled to prevent users from controlling the system with IR devices. By default, if IR is enabled, the system will accept IR control from any remote." CCE-95224-2 "Don't Send ICMPv4 Redirect Messages ICMP redirects are broadcast in order to reshape network traffic. A malicious user could use the system to send fake redirect packets and try to force all network traffic to pass through a network sniffer. Disabling ICMP redirect broadcasts mitigates this risk." CCE-95201-0 "Enable Auto Update Automatically checking for updates makes it easier for the user to know when updates are available. It is important that a system has the newest updates applied to prevent unauthorized persons from exploiting identified vulnerabilities." CCE-95209-3 "Ensure Set time and date automatically Correct date and time settings are required for authentication protocols, file creation, modification dates, and log entries. If the time on the Mac is off by more than 5 minutes, Apple's single sign-on feature and active directory logins may be affected. Set ... CCE-95257-2 "Disable Wi-Fi if Not Required The kernel extension for Wi-Fi network devices such as Airport must be removed to ensure that users will not be able to reactivate wireless networking at a later time. System updates will sometimes replace deleted kernel extensions. Administrator users may need to per ... CCE-95234-1 "Verify the file permissions of csh init files The permissions of csh init files must be 644." CCE-95211-9 "Disable Printer Sharing When Printer Sharing is enabled, the computer is established as a print server to accept print jobs from other computers. Disabling Printer Sharing mitigates the risk of attackers attempting to exploit the print server to gain access to the system. Using dedicated print ser ... CCE-95223-4 "Prompt Password for all open sessions The sudo command must be configured to prompt for the administrator user's password at least once in each newly opened Terminal window or remote login session, as this prevents a malicious user from taking advantage of an unlocked computer or an abandoned ... CCE-95269-7 "Turn on Firewall Logging Firewall logging must be enabled. This ensures that malicious network activity will be logged to the system. This requirement is NA if HBSS is used." CCE-95200-2 "Use stealth mode to keep your Mac more secure If you're concerned about security, you can use stealth mode to make it more difficult for hackers and malware to find your Mac. When stealth mode is turned on, your Mac doesn't respond to either "ping" requests or connection attempts from a closed TCP ... CCE-95261-4 "Verify group who owns the file /etc/services The group of the /etc/services file must be wheel. The services file contains information regarding the known services available in the DARPA Internet. For each service a single line should be present with the following information: official service nam ... CCE-95208-5 "Disable Screen Sharing Screen sharing is a feature that lets computers on the same network connect to one another and to display the same screen. While sharing screens, the user can control the actions on that computer. The macOS benchmark states that disabling screen sharing mitigates the risk of ... CCE-95246-5 "Audit All Logon Events Remote access services, such as those providing remote access to network devices and information systems, increase risk and expose those systems to possible cyber attacks, so all remote access should be closely monitored and audited. Only authorized users should be permitted ... CCE-95290-3 The audit service should shut down the computer if it is unable to audit system events. Once audit failure occurs, user and system activity is no longer recorded and malicious activity could go undetected. Audit processing failures include software/hardware errors, failures in the audit capturing me ... CCE-85383-8 If SSHD is enabled then it _MUST_ be configured to limit the Message Authentication Codes (MACs) to algorithms that are FIPS 140 validated. FIPS 140-2 is the current standard for validating that mechanisms used to access cryptographic modules utilize authentication that meets federal requirements. ... CCE-85322-6 The system _MUST_ be configured to prevent access to other users home folders. The default behavior of macOS is to allow all valid users access to the the top level of every other users home folder while restricting access only to the Apple default folders within. Fix: IFS=$'\n' for userDirs in ... CCE-95298-6 System logs should only be readable by root or admin users. System logs frequently contain sensitive information that could be used by an attacker. Setting the correct permissions mitigates this risk. Fix: For any log file that returns an incorrect permission value, run the following command: /usr ... CCE-85454-7 SSH _MUST_ be configured to limit the ciphers to algorithms that are FIPS 140 validated. FIPS 140-2 is the current standard for validating that mechanisms used to access cryptographic modules utilize authentication that meet federal requirements. Operating systems utilizing encryption _MUST_ use F ... CCE-85431-5 Setting a hot corner to disable the screen saver poses a potential security risk since an unauthorized person could use this to bypass the login screen and gain access to the system. Fix: $ sudo -u <username> defaults read com.apple.dock wvous-tl-corner $ sudo -u <username> defaults rea ... CCE-85273-1 The audit service _MUST_ be configured to immediately print messages to the console or email administrator users when an auditing failure occurs. It is critical for the appropriate personnel to be made aware immediately if a system is at risk of failing to process audit logs as required. Without a ... CCE-95287-9 Unapproved mechanisms for authentication to the cryptographic module are not verified, and therefore cannot be relied upon to provide confidentiality or integrity, resulting in the compromise of DoD data. Operating systems using encryption are required to use FIPS-compliant mechanisms for authentic ... CCE-85258-2 Audit log files _MUST_ have the group set to wheel. The audit service _MUST_ be configured to create log files with the correct group ownership to prevent normal users from reading audit logs. Audit logs contain sensitive data about the system and users. If log files are set to be readable and wr ... CCE-85384-6 If SSHD is enabled then it _MUST_ be configured to wait only 30 seconds before timing out logon attempts. NOTE: /etc/ssh/sshd_config will be automatically modified to its original state following any update or major upgrade to the operating system. Fix: /usr/bin/sed -i.bak 's/.*LoginGraceTime.*/L ... CCE-85444-8 Setting an inactivity interval for the screensaver prevents unauthorized persons from viewing a system left unattended for an extensive period of time. If the screensaver is not set users may leave the computer available for an unauthorized person to access information. Fix: sudo defaults -currentH ... CCE-85421-6 Bluetooth sharing allows users to wirelessly transmit files between Mac OS X and Bluetooth-enabled devices, including personally owned cell phones and tablets. A malicious user might introduce viruses or malware onto the system or extract sensitive files. Disabling Bluetooth Sharing mitigates this r ... CCE-85263-2 The audit system _MUST_ be configured to record enforcement actions of access restrictions, including failed program execute (-ex) attempts. Enforcement actions are the methods or mechanisms used to prevent unauthorized access and/or changes to configuration settings. One common and effective enfor ... CCE-85323-4 The built-in web server is a non-essential service built into macOS and _MUST_ be disabled. Fix: /bin/launchctl disable system/org.apache.httpd CCE-95297-8 External writeable media devices must be disabled for users. External USB devices 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. Fix: Renaming or Removing /System/Library/Extensions/IOUSBMassStorag ... CCE-85251-7 The audit log files _MUST_ not contain access control lists (ACLs). Audit logs contain sensitive data about the system and users. This rule ensures that the audit service is configured to create log files that are readable and writable only by system administrators in order to prevent normal users ... CCE-85274-9 The system _MUST_ be configured to enforce multifactor authentication. All users _MUST_ go through multifactor authentication to prevent unauthenticated access and potential compromise to the system. NOTE: /etc/pam.d/login will be automatically modified to its original state following any update o ... CCE-85259-0 The audit service _MUST_ be configured to create log files that are readable only by the root user and group wheel. To achieve this, audit log files _MUST_ be configured to mode 440 or less permissive; thereby preventing normal users from reading, modifying or deleting audit logs. Fix: /bin/chmod ... CCE-95286-1 Display of a standardized and approved use notification before granting access to the operating system ensures privacy and security notification verbiage used is consistent with applicable federal laws, Executive Orders, directives, policies, regulations, standards, and guidance. System use notific ... CCE-85357-2 SSH _MUST_ be configured to display a policy banner. Displaying a standardized and approved use notification before granting access to the operating system ensures that users are provided with privacy and security notification verbiage that is consistent with applicable federal laws, Executive Ord ... CCE-85395-2 macOS has a privilege that can be granted to any user that will allow that user to unlock active users sessions. Disabling the admins and/or users ability to log into another users active and locked session prevents unauthorized persons from viewing potentially sensitive and/or personal informatio ... CCE-85407-5 Over time passwords can be captured by third parties through mistakes, phishing attacks, third party breaches or merely brute force attacks. To reduce the risk of exposure and to decrease the incentives of password reuse (passwords that are not forced to be changed periodically generally are not eve ... CCE-85422-4 The main use case for Mac computers is as mobile user endpoints. P2P sharing services should not be enabled on laptops that are using untrusted networks. Content Caching can allow a computer to be a server for local nodes on an untrusted network. While there are certainly logical controls that could ... CCE-95277-0 It is important that a system has the newest updates downloaded so that they can be applied. Without updates available they may not be made in a timely manner and the system will be exposed to additional risk. Fix: sudo defaults write /Library/Preferences/com.apple.SoftwareUpdate AutomaticDownload ... CCE-95281-2 The Wi-Fi status in the menu bar indicates if the system's wireless internet capabilities are enabled. If so, the system will scan for available wireless networks to connect to. At the time of this revision all computers Apple builds have wireless network capability, which has not always been the ca ... CCE-85456-2 If SSHD is enabled it _MUST_ be configured with an Active Client Alive Maximum Count set to zero. Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take control of a management session enabled on the console or console port that ha ... CCE-85433-1 Disabling Internet Sharing reduces the remote attack surface of the system. Internet sharing allows the computer to function as a router and other computers to use it for access. This can expose both the computer itself and the networks it is accessing to unacceptable access from unapproved devices. ... CCE-85252-5 The audit log folder _MUST_ not contain access control lists (ACLs). Audit logs contain sensitive data about the system and users. This rule ensures that the audit service is configured to create log folders that are readable and writable only by system administrators in order to prevent normal use ... CCE-85312-7 A deny-all and allow-by-exception firewall policy _MUST_ be employed for managing connections to other systems. Organizations _MUST_ ensure the built-in packet filter firewall is configured correctly to employ the default deny rule. Failure to restrict network connectivity to authorized systems p ... CCE-85275-6 The system _MUST_ be configured such that, when the su command is used, multifactor authentication is enforced. All users _MUST_ go through multifactor authentication to prevent unauthenticated access and potential compromise to the system. NOTE: /etc/pam.d/su will be automatically modified to its ... CCE-95289-5 The macOS system must enforce the limit of time for failed login reset after the account locked out by providing invalid logon attempts by the user. Fix: This setting may be enforced using the "Passcode Policy" configuration profile or by a directory service. CCE-95291-1 It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often overlooked and therefore may remain unsecured. They increase the risk to the platform by providing additional at ... CCE-85408-3 The macOS _MUST_ be configured to require at least one lower-case character an one upper-case character be used when a password is created. This rule enforces password complexity by requiring users to set passwords that are less vulnerable to malicious users. Fix: To set the password policy, run ... CCE-85434-9 Location Services _MUST_ be disabled. The information system _MUST_ be configured to provide only essential capabilities. Disabling Location Services helps prevent the unauthorized connection of devices, unauthorized transfer of information, and unauthorized tunneling. Fix: /usr/bin/defaults wr ... CCE-95280-4 Audit records should never be changed except by the system daemon posting events. Records may be viewed or extracts manipulated but the authoritative files should be protected from unauthorized changes. This control is only checking the default configuration to ensure that unwanted access to audit r ... CCE-85397-8 The system _MUST_ not have the Unix-to-Unix Copy Protocol (UUCP) service active. UUCP, a set of programs that enable the sending of files between different UNIX systems as well as sending commands to be executed on another system, is not essential and _MUST_ be disabled in order to prevent the unaut ... CCE-85276-4 The system _MUST_ be configured to enforce multifactor authentication when the sudo command is used to elevate privilege. All users _MUST_ go through multifactor authentication to prevent unauthenticated access and potential compromise to the system. NOTE: /etc/pam.d/sudo will be automatically mo ... CCE-95288-7 Without establishing what type of events occurred, when they occurred, and by whom it would be difficult to establish, correlate, and investigate the events leading up to an outage or attack. Audit record content that may be necessary to satisfy this requirement includes, for example, time stamps, ... CCE-85401-8 The macOS _MUST_ be configured to disable accounts after 35 days of inactivity. This rule prevents malicious users from making use of unused accounts to gain access to the system while avoiding detection. Fix: sudo pwpolicy setglobalpolicy 'maxMinutesOfNonUse=50400' Note: 35 Days = 50400 minutes ... CCE-85447-1 Remote access sessions _MUST_ use encrypted methods to protect unauthorized individuals from gaining access. Fix: /bin/launchctl enable system/com.openssh.sshd CCE-85281-4 If remote login through SSH is enabled, smartcard authentication _MUST_ be enforced for user login. All users _MUST_ go through multifactor authentication to prevent unauthenticated access and potential compromise to the system. NOTE: /etc/ssh/sshd_config will be automatically modified to its orig ... CCE-95279-6 Archiving and retaining install.log for at least a year is beneficial in the event of an incident as it will allow the user to view the various changes to the system along with the date and time they occurred. Without log files system maintenance and security forensics cannot be properly performed. ... CCE-85254-1 The information system _MUST_ be configured to generate audit records. Audit records establish what types of events have occurred, when they occurred, and which users were involved. These records aid an organization in their efforts to establish, correlate, and investigate the events leading up to ... CCE-95283-8 Library Validation protects processes from loading arbitrary libraries, root from becoming more powerful (root may load arbitrary libraries into any process depending on SIP status). Running without Library Validation on a production system runs the risk of the modification of system binaries or c ... CCE-85388-7 The System volume _MUST_ be mounted as read-only in order to ensure that configurations critical to the integrity of the macOS have not been compromised. System Integrity Protection (SIP) will prevent the system volume from being mounted as writable. Fix: NOTE: To remount the System volume as Read ... CCE-85440-6 If the system does not require Remote Apple Events, support for Apple Remote Events is non-essential and _MUST_ be disabled. The information system _MUST_ be configured to provide only essential capabilities. Disabling Remote Apple Events helps prevent the unauthorized connection of devices, the un ... CCE-95278-8 Enabling Show Bluetooth status in menu bar is a security awareness method that helps understand the current state of Bluetooth, including whether it is enabled, Discoverable, what paired devices exist and are currently active. Bluetooth is a useful wireless tool that has been widely exploited when c ... CCE-95293-7 Any changes to the hardware, software, and/or firmware components of the information system and/or application can potentially have significant effects on the overall security of the system. Accordingly, software defined by the organization as critical must be signed with a certificate that is reco ... CCE-85380-4 SSH _MUST_ be configured with an Active Server Alive Maximum Count set to zero. Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take control of a management session enabled on the console or console port that has been left unatte ... CCE-95282-0 Using tty tickets ensures that a user must enter the sudo password in each Terminal session. In combination with removing the sudo timeout grace period, a further mitigation should be in place to reduce the possibility of a background process using elevated rights when a user elevates to root in an ... CCE-85270-7 The audit log folder _MUST_ be configured to mode 700 or less permissive so that only the root user is able to read, write, and execute changes to folders. Because audit logs contain sensitive data about the system and users, the audit service _MUST_ be configured to mode 700 or less permissive; t ... CCE-85391-1 If the system does not require Trivial File Tansfer Protocol (TFTP), support it is non-essential and _MUST_ be disabled. The information system _MUST_ be configured to provide only essential capabilities. Disabling TFTP helps prevent the unauthorized connection of devices and the unauthorized trans ... CCE-95221-8 The sudo command lets the user run programs as the root user, granting them high levels of configurability within the system. The sudo command stays logged in as the root user for five minutes before timing out and re-requesting a password. This five-minute window should be eliminated since it leave ... CCE-85403-4 The account lockout threshold specifies the amount of times a user can enter an incorrect password before a lockout will occur. Ensure that a lockout threshold is part of the password policy on the computer. The account lockout feature mitigates brute-force password attacks on the system. The numb ... CCE-95296-0 The use of PIV credentials facilitates standardization and reduces the risk of unauthorized access. Without configuring a local cache of revocation data, there is the potential to allow access to users who are no longer authorized (users with re ... CCE-85268-1 Audit log files _MUST_ have the group set to wheel. The audit service _MUST_ be configured to create log files with the correct group ownership to prevent normal users from reading audit logs. Audit logs contain sensitive data about the system and users. If log files are set to be readable and wr ... CCE-85260-8 Audit log files _MUST_ be owned by root. The audit service _MUST_ be configured to create log files with the correct ownership to prevent normal users from reading audit logs. Audit logs contain sensitive data about the system and users. If log files are set to only be readable and writable by sys ... CCE-85381-2 SSH _MUST_ be configured with an Active Server Alive Maximum Count set to 900 or less. Setting the Active Server Alive Maximum Count to 900 (second) will log users out after a 15-minute interval of inactivity. NOTE: /etc/ssh/ssh_config will be automatically modified to its original state followin ... CCE-95285-3 Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the correct time a particular event occurred on a system is critical when conducting forensic analysis and investigating system events. Sources outside of the configured acceptable a ... CCE-95295-2 Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity or strength is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. Password complexity is one factor in determining how long ... CCE-85382-0 SSH _MUST_ be configured to limit the ciphers to algorithms that are FIPS 140 validated. FIPS 140-2 is the current standard for validating that mechanisms used to access cryptographic modules utilize authentication that meet federal requirements. Operating systems utilizing encryption _MUST_ use F ... CCE-85439-8 The wake for network access feature enables other users to access a computers shared resources even if the computer is in sleep mode. The macOS benchmark states disabling the "wake for network access" feature could mitigate the risk of an attacker remotely waking the system to gain access ... CCE-85269-9 Audit log files _MUST_ be owned by root. The audit service _MUST_ be configured to create log files with the correct ownership to prevent normal users from reading audit logs. Audit logs contain sensitive data about the system and users. If log files are set to only be readable and writable by sys ... CCE-85453-9 If SSHD is enabled then it _MUST_ be configured to limit the Message Authentication Codes (MACs) to algorithms that are FIPS 140 validated. FIPS 140-2 is the current standard for validating that mechanisms used to access cryptographic modules utilize authentication that meets federal requirements. ... CCE-85438-0 Organizations should manage user privacy settings on managed devices to align with organizational policies and user data protection requirements. Uses will see generic advertising rather than targeted advertising. Apple warns that this will reduce the number of relevant ads. Fix: /usr/bin/defaults ... CCE-85355-6 Displaying a standardized and approved use notification before granting access to the operating system ensures that users are provided with privacy and security notification verbiage that is consistent with applicable federal laws, Executive Orders, directives, policies, regulations, standards, and ... CCE-95284-6 A session lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the information system but does not want to log out because of the temporary nature of the absence. The session lock is implemented at the point where session activity can be det ... CCE-95241-6 "Audit Administrative actions and changes to configuration settings If events associated with non-local administrative access or diagnostic sessions are not logged, a major tool for assessing and investigating attacks would not be available. This requirement addresses auditing-related issues assoc ... CCE-95252-3 "Disable fast user switching Controls whether a user can use the OSX GUI to start or switch to a login session running as another user concurrently." CCE-95242-4 "Hide or display the sleep button in the login window Hide or display the sleep button in the login window." |
