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Objective ID
Severity
Discussion
V-219347
medium
Password strength is a measure of the effectiveness of a password in resisting guessing and brute force attacks. The ability to crack a password is a function of how many attempts an adversary is permitted, how quickly an adversary can do each attempt, and the size of the password space. The longer the minimum length of the password is, the larger the password space. Having a too-short minimum password length significantly reduces password strength, increasing the chance of password compromise and resulting device and data compromise.
SFR ID: FMT_SMF_EXT.1.1 #1a
SFR ID: FMT_SMF_EXT.1.1 #1a
V-219348
medium
Password strength is a measure of the effectiveness of a password in resisting guessing and brute force attacks. Passwords that contain repeating or sequential characters are significantly easier to guess than those that do not contain repeating or sequential characters. Therefore, disallowing repeating or sequential characters increases password strength and decreases risk.
SFR ID: FMT_SMF_EXT.1.1 #1b
SFR ID: FMT_SMF_EXT.1.1 #1b
V-219349
medium
The screen lock timeout must be set to a value that helps protect the device from unauthorized access. Having a too-long timeout would increase the window of opportunity for adversaries who gain physical access to the mobile device through loss, theft, etc. Such devices are much more likely to be in an unlocked state when acquired by an adversary, thus granting immediate access to the data on the mobile device. The maximum timeout period of 15 minutes has been selected to balance functionality and security; shorter timeout periods may be appropriate depending on the risks posed to the mobile device.
Satisfies: PP-MDF-301030, PP-MDF-301040
SFR ID: FMT_SMF_EXT.1.1 #2a & #2b
Satisfies: PP-MDF-301030, PP-MDF-301040
SFR ID: FMT_SMF_EXT.1.1 #2a & #2b
V-219350
low
The more attempts an adversary has to guess a password, the more likely the adversary will enter the correct password and gain access to resources on the device. Setting a limit on the number of attempts mitigates this risk. Setting the limit at 10 or less gives authorized users the ability to make a few mistakes when entering the password but still provides adequate protection against dictionary or brute force attacks on the password.
SFR ID: FMT_SMF_EXT.1.1 #2c, FIA_AFL_EXT.1.5
SFR ID: FMT_SMF_EXT.1.1 #2c, FIA_AFL_EXT.1.5
V-219351
medium
Forcing all applications to be installed from authorized application repositories can prevent unauthorized and malicious applications from being installed and executed on mobile devices. Allowing such installations and executions could cause a compromise of DoD data accessible by these unauthorized/malicious applications.
SFR ID: FMT_SMF_EXT.1.1 #8a
SFR ID: FMT_SMF_EXT.1.1 #8a
V-219352
medium
On iPhone and iPads, users can access the device's contact database or calendar to obtain phone numbers and other information using a human voice even when the mobile device is locked. Often this information is Personally Identifiable Information (PII), which is considered sensitive. It could also be used by an adversary to profile the user or engage in social engineering to obtain further information from other unsuspecting users. Disabling access to the contact database and calendar in these situations mitigates the risk of this attack. The AO may waive this requirement with written notice if the operational environment requires this capability.
SFR ID: FMT_SMF_EXT.1.1 #8b
SFR ID: FMT_SMF_EXT.1.1 #8b
V-219353
medium
On iPhone and iPads, users can access the device's contact database or calendar to obtain phone numbers and other information using a human voice even when the mobile device is locked. Often this information is Personally Identifiable Information (PII), which is considered sensitive. It could also be used by an adversary to profile the user or engage in social engineering to obtain further information from other unsuspecting users. Disabling access to the contact database and calendar in these situations mitigates the risk of this attack.
SFR ID: FMT_SMF_EXT.1.1 #8b
SFR ID: FMT_SMF_EXT.1.1 #8b
V-219354
medium
Many mobile devices display notifications on the lock screen so that users can obtain relevant information in a timely manner without having to frequently unlock the phone to determine if there are new notifications. However, in many cases, these notifications can contain sensitive information. Notifications on the lock screen can be viewed by an adversary merely by being in close physical proximity to the device. Configuring the MOS to not send notifications to the lock screen mitigates this risk.
SFR ID: FMT_SMF_EXT.1.1 #19
SFR ID: FMT_SMF_EXT.1.1 #19
V-219355
medium
Many mobile devices display notifications on the lock screen so that users can obtain relevant information in a timely manner without having to frequently unlock the phone to determine if there are new notifications. However, in many cases, these notifications can contain sensitive information. Notifications on the lock screen can be viewed by an adversary merely by being in close physical proximity to the device. Configuring the MOS to not send notifications to the lock screen mitigates this risk.
SFR ID: FMT_SMF_EXT.1.1 #19
SFR ID: FMT_SMF_EXT.1.1 #19
V-219356
low
Apple iOS/iPadOS is required to display the DoD-approved system use notification message or banner before granting access to the system that provides privacy and security notices consistent with applicable federal laws, Executive Orders, directives, policies, regulations, standards, and guidance. Required banners help ensure that DoD can audit and monitor the activities of mobile device users without legal restriction.
System use notification messages can be displayed when individuals first access or unlock the mobile device. The banner must be implemented as a "click-through" banner at device unlock (to the extent permitted by the operating system). A "click-through" banner prevents further activity on the information system unless and until the user executes a positive action to manifest agreement by clicking on a box indicating "OK."
The approved DoD text must be used exactly as required in the KS referenced in DoDI 8500.01. For devices accommodating banners of 1300 characters, the banner text is:
You are accessing a U.S. Government (USG) Information System (IS) that is provided for USG-authorized use only.
By using this IS (which includes any device attached to this IS), you consent to the following conditions:
-The USG routinely intercepts and monitors communications on this IS for purposes including, but not limited to, penetration testing, COMSEC monitoring, network operations and defense, personnel misconduct (PM), law enforcement (LE), and counterintelligence (CI) investigations.
-At any time, the USG may inspect and seize data stored on this IS.
-Communications using, or data stored on, this IS are not private, are subject to routine monitoring, interception, and search, and may be disclosed or used for any USG-authorized purpose.
-This IS includes security measures (e.g., authentication and access controls) to protect USG interests--not for your personal benefit or privacy.
-Notwithstanding the above, using this IS does not constitute consent to PM, LE or CI investigative searching or monitoring of the content of privileged communications, or work product, related to personal representation or services by attorneys, psychotherapists, or clergy, and their assistants. Such communications and work product are private and confidential. See User Agreement for details.
For devices with severe character limitations, the banner text is:
I've read & consent to terms in IS user agreem't.
The administrator must configure the banner text exactly as written without any changes.
SFR ID: FMT_SMF_EXT.1.1 #36
System use notification messages can be displayed when individuals first access or unlock the mobile device. The banner must be implemented as a "click-through" banner at device unlock (to the extent permitted by the operating system). A "click-through" banner prevents further activity on the information system unless and until the user executes a positive action to manifest agreement by clicking on a box indicating "OK."
The approved DoD text must be used exactly as required in the KS referenced in DoDI 8500.01. For devices accommodating banners of 1300 characters, the banner text is:
You are accessing a U.S. Government (USG) Information System (IS) that is provided for USG-authorized use only.
By using this IS (which includes any device attached to this IS), you consent to the following conditions:
-The USG routinely intercepts and monitors communications on this IS for purposes including, but not limited to, penetration testing, COMSEC monitoring, network operations and defense, personnel misconduct (PM), law enforcement (LE), and counterintelligence (CI) investigations.
-At any time, the USG may inspect and seize data stored on this IS.
-Communications using, or data stored on, this IS are not private, are subject to routine monitoring, interception, and search, and may be disclosed or used for any USG-authorized purpose.
-This IS includes security measures (e.g., authentication and access controls) to protect USG interests--not for your personal benefit or privacy.
-Notwithstanding the above, using this IS does not constitute consent to PM, LE or CI investigative searching or monitoring of the content of privileged communications, or work product, related to personal representation or services by attorneys, psychotherapists, or clergy, and their assistants. Such communications and work product are private and confidential. See User Agreement for details.
For devices with severe character limitations, the banner text is:
I've read & consent to terms in IS user agreem't.
The administrator must configure the banner text exactly as written without any changes.
SFR ID: FMT_SMF_EXT.1.1 #36
V-219357
medium
Data on mobile devices is protected by numerous mechanisms, including user authentication, access control, and cryptography. When the data is backed up to an external system (either locally connected or cloud-based), many if not all of these mechanisms are no longer present. This leaves the backed-up data vulnerable to attack. Disabling backup to external systems mitigates this risk.
SFR ID: FMT_SMF_EXT.1.1 #40
SFR ID: FMT_SMF_EXT.1.1 #40
V-219358
medium
Backups to remote systems (including cloud backup) can leave data vulnerable to breach on the external systems, which often offer less protection than the MOS. Where the remote backup involves a cloud-based solution, the backup capability is often used to synchronize data across multiple devices. In this case, DoD devices may synchronize DoD-sensitive information to a user's personal device or other unauthorized computers that are vulnerable to breach. Disallowing remote backup mitigates this risk.
Note: If the AO has approved the use/storage of DoD data in one or more personal (unmanaged) apps, allowing unrestricted activity by the user in downloading and installing personal (unmanaged) apps on the iOS 11 device may not be warranted due to the risk of possible loss of or unauthorized access to DoD data.
SFR ID: FMT_MOF_EXT.1.2 #40
Note: If the AO has approved the use/storage of DoD data in one or more personal (unmanaged) apps, allowing unrestricted activity by the user in downloading and installing personal (unmanaged) apps on the iOS 11 device may not be warranted due to the risk of possible loss of or unauthorized access to DoD data.
SFR ID: FMT_MOF_EXT.1.2 #40
V-219359
medium
Backups to remote systems (including cloud backup and cloud document syncing) can leave data vulnerable to breach on the external systems, which often offer less protection than the MOS. Where the remote backup involves a cloud-based solution, the backup capability is often used to synchronize data across multiple devices. In this case, DoD devices may synchronize DoD-sensitive information to a user's personal device or other unauthorized computers that are vulnerable to breach. Disallowing remote backup mitigates this risk.
Note: If the AO has approved the use/storage of DoD data in one or more personal (unmanaged) apps, allowing unrestricted activity by the user in downloading and installing personal (unmanaged) apps on the iOS 11 device may not be warranted due to the risk of possible loss of or unauthorized access to DoD data.
SFR ID: FMT_MOF_EXT.1.2 #40
Note: If the AO has approved the use/storage of DoD data in one or more personal (unmanaged) apps, allowing unrestricted activity by the user in downloading and installing personal (unmanaged) apps on the iOS 11 device may not be warranted due to the risk of possible loss of or unauthorized access to DoD data.
SFR ID: FMT_MOF_EXT.1.2 #40
V-219360
medium
The iCloud Keychain is an Apple iOS/iPadOS function that will store users' account names and passwords in iCloud and then synchronize this data among the users' Macs, iPhones, and iPads. An adversary may use any of the stored iCloud keychain passwords after unlocking one of the synchronized devices. If a user is synchronizing devices, the user must protect all of the devices to prevent unauthorized use of the passcodes. Moreover, the keychain being transmitted through the cloud opens the possibility that a well-resourced, sophisticated adversary could compromise the cloud-transmitted keychain. Not allowing the iCloud Keychain feature mitigates the risk of the encrypted set of passwords being compromised when transmitted through the cloud or synchronized across multiple devices.
Note: If the AO has approved the use/storage of DoD data in one or more personal (unmanaged) apps, allowing unrestricted activity by the user in downloading and installing personal (unmanaged) apps on the iOS 11 device may not be warranted due to the risk of possible loss of or unauthorized access to DoD data.
SFR ID: FMT_MOF_EXT.1.2 #40
Note: If the AO has approved the use/storage of DoD data in one or more personal (unmanaged) apps, allowing unrestricted activity by the user in downloading and installing personal (unmanaged) apps on the iOS 11 device may not be warranted due to the risk of possible loss of or unauthorized access to DoD data.
SFR ID: FMT_MOF_EXT.1.2 #40
V-219361
medium
When My Photo Stream is enabled, sensitive photos will be uploaded automatically to Apple-specified servers and available on other iPhone and iPads associated with the same Apple ID, provided that the other device also has My Photo Stream enabled. This potentially places sensitive photos on a server outside of DoD's control, potentially granting availability to non-DoD devices. Disabling My Photo Stream mitigates this risk.
Note: If the AO has approved the use/storage of DoD data in one or more personal (unmanaged) apps, allowing unrestricted activity by the user in downloading and installing personal (unmanaged) apps on the iOS 11 device may not be warranted due to the risk of possible loss of or unauthorized access to DoD data.
SFR ID: FMT_MOF_EXT.1.2 #40
Note: If the AO has approved the use/storage of DoD data in one or more personal (unmanaged) apps, allowing unrestricted activity by the user in downloading and installing personal (unmanaged) apps on the iOS 11 device may not be warranted due to the risk of possible loss of or unauthorized access to DoD data.
SFR ID: FMT_MOF_EXT.1.2 #40
V-219362
medium
When "Allow iCloud Photos" is enabled, sensitive photos will be uploaded automatically to Apple-specified servers and available on the iPhone and iPads of other users who have accepted invitations to participate in iCloud Photo Sharing. This potentially places sensitive photos on a server outside of DoD's control, potentially granting availability to non-DoD users and devices. Disabling iCloud Photo Sharing mitigates this risk.
Note: If the AO has approved the use/storage of DoD data in one or more personal (unmanaged) apps, allowing unrestricted activity by the user in downloading and installing personal (unmanaged) apps on the iOS 11 device may not be warranted due to the risk of possible loss of or unauthorized access to DoD data.
SFR ID: FMT_MOF_EXT.1.2 #40
Note: If the AO has approved the use/storage of DoD data in one or more personal (unmanaged) apps, allowing unrestricted activity by the user in downloading and installing personal (unmanaged) apps on the iOS 11 device may not be warranted due to the risk of possible loss of or unauthorized access to DoD data.
SFR ID: FMT_MOF_EXT.1.2 #40
V-219363
medium
Storing data with a non-DoD cloud provider may leave the data vulnerable to breach. Disabling non-DoD cloud services mitigates this risk.
SFR ID: FMT_MOF_EXT.1.2 #40
SFR ID: FMT_MOF_EXT.1.2 #40
V-219364
medium
Enterprise books may contain DoD-sensitive information. When Enterprise books are vulnerable to attacks on the backup systems and media when backed up. Disabling the backup capability mitigates this risk. Books which are lost, accidentally deleted, or corrupted for any reason, can be easily retrieved from the original source.
SFR ID: FMT_MOF_EXT.1.2 #40
SFR ID: FMT_MOF_EXT.1.2 #40
V-219365
medium
Managed apps have been approved for the handling of DoD-sensitive information. Unmanaged apps are provided for productivity and morale purposes but are not approved to handle DoD-sensitive information. Examples of unmanaged apps include apps for news services, travel guides, maps, and social networking. If a document were to be viewed in a managed app and the user had the ability to open this same document in an unmanaged app, this could lead to the compromise of sensitive DoD data. In some cases, the unmanaged apps are connected to cloud backup or social networks that would permit dissemination of DoD-sensitive information to unauthorized individuals. Not allowing data to be opened within unmanaged apps mitigates the risk of compromising sensitive data.
SFR ID: FMT_SMF_EXT.1.1 #42, FDP_ACF_EXT.1.2
SFR ID: FMT_SMF_EXT.1.1 #42, FDP_ACF_EXT.1.2
V-219366
medium
When a device is unenrolled from MDM, it is possible to relax the security policies that the MDM had implemented on the device. This may cause apps and data to be more vulnerable than prior to enrollment. Removing managed apps (and consequently the data maintained within) upon unenrollment mitigates this risk because on appropriately configured iPhone and iPads, DoD-sensitive information exists only within managed apps.
Satisfies: PP-MDF-302510, PP-MDF-302505, PP-MDF-301500, MDF-PP-2500, MDF-PP-301510
SFR ID: FMT_SMF_EXT.2.1, FMT_SMF_EXT.1.1 #47h
Satisfies: PP-MDF-302510, PP-MDF-302505, PP-MDF-301500, MDF-PP-2500, MDF-PP-301510
SFR ID: FMT_SMF_EXT.2.1, FMT_SMF_EXT.1.1 #47h
V-219367
high
Passwords provide a form of access control that prevents unauthorized individuals from accessing computing resources and sensitive data. Passwords may also be a source of entropy for generation of key encryption or data encryption keys. If a password is not required to access data, this data is accessible to any adversary who obtains physical possession of the device. Requiring that a password be successfully entered before the mobile device data is unencrypted mitigates this risk.
Note: MDF PP v2.0 requires a Password Authentication Factor and requires management of its length and complexity. It leaves open whether the existence of a password is subject to management. This STIGID addresses the configuration to require a password, which is critical to the cybersecurity posture of the device.
SFR ID: FIA_UAU_EXT.1.1
Note: MDF PP v2.0 requires a Password Authentication Factor and requires management of its length and complexity. It leaves open whether the existence of a password is subject to management. This STIGID addresses the configuration to require a password, which is critical to the cybersecurity posture of the device.
SFR ID: FIA_UAU_EXT.1.1
V-219368
low
Ad Tracking refers to the advertisers' ability to categorize the device and spam the user with ads that are most relevant to the user's preferences. By not "Force limiting ad tracking", advertising companies are able to gather information about the user and device's browsing habits. If "Limit Ad Tracking" is not limited, a database of browsing habits of DoD devices can be gathered and stored under no supervision of the DoD. By limiting ad tracking, this setting does not completely mitigate the risk, but it limits the amount of information gathering.
SFR ID: FMT_SMF_EXT.1.1 #47
SFR ID: FMT_SMF_EXT.1.1 #47
V-219369
low
The AutoFill functionality in the Safari web browser allows the user to complete a form that contains sensitive information, such as PII, without previous knowledge of the information. By allowing the use of the AutoFill functionality, an adversary who learns a user's iPhone and iPad passcode, or who otherwise is able to unlock the device, may be able to further breach other systems by relying on the AutoFill feature to provide information unknown to the adversary. By disabling the AutoFill functionality, the risk of an adversary gaining further information about the device's user or compromising other systems is significantly mitigated.
SFR ID: FMT_SMF_EXT.1.1 #47
SFR ID: FMT_SMF_EXT.1.1 #47
V-219370
medium
When syncing an iPhone and iPad to a computer running iTunes, iTunes will prompt the user to back up the iPhone and iPad. If the performed backup is not encrypted, this could lead to the unauthorized disclosure of DoD-sensitive information if non-DoD personnel are able to access that machine. By forcing the backup to be encrypted, this greatly mitigates the risk of compromising sensitive data. iTunes backup and USB connections to computers are not authorized, but this control provides defense-in-depth for cases in which a user violates policy either intentionally or inadvertently.
SFR ID: FMT_SMF_EXT.1.1 #47
SFR ID: FMT_SMF_EXT.1.1 #47
V-219371
low
Handoff permits a user of an iPhone and iPad to transition user activities from one device to another. Handoff passes sufficient information between the devices to describe the activity, but app data synchronization associated with the activity is handled though iCloud, which should be disabled on a compliant iPhone and iPad. If a user associates both DoD and personal devices to the same Apple ID, the user may improperly reveal information about the nature of the user's activities on an unprotected device. Disabling Handoff mitigates this risk.
SFR ID: FMT_SMF_EXT.1.1 #47
SFR ID: FMT_SMF_EXT.1.1 #47
V-219372
low
When a user is allowed to use AirPlay without a password, there is the potential that it may mistakenly associate the iPhone and iPad with an AirPlay-enabled device other than the one intended (i.e., by choosing the wrong one from the AirPlay list displayed). This creates the potential that someone in control of a mistakenly associated device may obtain DoD-sensitive information without authorization. Requiring a password before such an association mitigates this risk. Passwords do not require any administration, and are not required to comply with any complexity requirements.
SFR ID: FMT_SMF_EXT.1.1 #40
SFR ID: FMT_SMF_EXT.1.1 #40
V-219373
medium
MailDrop allows users to send large attachments up to 5 GB in size via iCloud. Storing data with a non-DoD cloud provider may leave the data vulnerable to breach. Disabling non-DoD cloud services mitigates this risk.
SFR ID: FMT_SMF_EXT.1.1 #47
SFR ID: FMT_SMF_EXT.1.1 #47
V-219374
medium
Storing data with a non-DoD cloud provider may leave the data vulnerable to breach. Disabling non-DoD cloud services mitigates this risk.
Note: If the AO has approved the use/storage of DoD data in one or more personal (unmanaged) apps, allowing unrestricted activity by the user in downloading and installing personal (unmanaged) apps on the iOS 13 device may not be warranted due to the risk of possible loss of or unauthorized access to DoD data.
SFR ID: FMT_SMF_EXT.1.1 #47
Note: If the AO has approved the use/storage of DoD data in one or more personal (unmanaged) apps, allowing unrestricted activity by the user in downloading and installing personal (unmanaged) apps on the iOS 13 device may not be warranted due to the risk of possible loss of or unauthorized access to DoD data.
SFR ID: FMT_SMF_EXT.1.1 #47
V-219375
high
Required security features are not available in earlier OS versions. In addition, there may be known vulnerabilities in earlier versions.
SFR ID: FMT_SMF_EXT.1.1 #47
SFR ID: FMT_SMF_EXT.1.1 #47
V-219376
medium
Exchange email messages are a form of data in transit and thus are vulnerable to eavesdropping and man-in-the-middle attacks. Secure Sockets Layer (SSL), also referred to as Transport Layer Security (TLS), provides encryption and authentication services that mitigate the risk of breach.
SFR ID: FMT_SMF_EXT.1.1 #47
SFR ID: FMT_SMF_EXT.1.1 #47
V-219377
medium
The Apple iOS/iPadOS Mail app can be configured to support multiple email accounts concurrently. These email accounts are likely to involve content of varying degrees of sensitivity (e.g., both personal and enterprise messages). To prevent the unauthorized and undetected forwarding or moving of messages from one account to another, Mail ActiveSync Exchange accounts can be configured to block such behavior. While users may still send a message from the Exchange account to another account, these transactions must involve an Exchange server, enabling audit records of the transaction, filtering of mail content, and subsequent forensic analysis.
SFR ID: FMT_SMF_EXT.1.1 #47
SFR ID: FMT_SMF_EXT.1.1 #47
V-219378
medium
An Airdrop feature is a way to send contact information or photos to other users with this same feature enabled. This feature enables a possible attack vector for adversaries to exploit. Once the attacker has gained access to the information broadcast by this feature, he/she may distribute this sensitive information very quickly and without DoD's control or awareness. By disabling this feature, the risk of mass data exfiltration will be mitigated.
Note: If the site uses Apple's optional Device Enrollment Program (DEP), this control is available as a supervised MDM control.
SFR ID: FMT_SMF_EXT.1.1 #47
Note: If the site uses Apple's optional Device Enrollment Program (DEP), this control is available as a supervised MDM control.
SFR ID: FMT_SMF_EXT.1.1 #47
V-219379
low
Apple's Family Sharing service allows Apple iOS/iPadOS users to create a Family Group whose members have several shared capabilities, including the ability to lock, wipe, play a sound on, or locate the iPhone and iPads of other members. Each member of the group must be invited to the group and accept that invitation. A DoD user's iPhone and iPad may be inadvertently or maliciously wiped by another member of the Family Group. This poses a risk that the user could be without a mobile device for a period of time or lose sensitive information that has not been backed up to other storage media. Configuring iPhone and iPads so their associated Apple IDs are not members of Family Groups mitigates this risk.
Note: If the site uses Apple's optional Device Enrollment Program (DEP), this control is available as a supervised MDM control.
SFR ID: FMT_SMF_EXT.1.1 #47
Note: If the site uses Apple's optional Device Enrollment Program (DEP), this control is available as a supervised MDM control.
SFR ID: FMT_SMF_EXT.1.1 #47
V-219380
medium
Sharing of location data is an operations security (OPSEC) risk because it potentially allows an adversary to determine a DoD user's location and movements, and patterns in those movements, over time. An adversary could use this information to target the user or to gather intelligence on the user's likely activities. Using commercial cloud services to store and handle location data could leave the data vulnerable to breach, particularly by sophisticated adversaries. Disabling the use of such services mitigates this risk.
SFR ID: FMT_SMF_EXT.1.1 #47
SFR ID: FMT_SMF_EXT.1.1 #47
V-219381
low
Because Apple Watch is a personal device, it is key that any sensitive DoD data displayed on the Apple Watch not be viewable when the watch is not in the immediate possession of the user. This control ensures the Apple Watch screen locks when the user takes the watch off, thereby protecting sensitive DoD data from possible exposure.
SFR ID: FMT_SMF_EXT.1.1 #47
SFR ID: FMT_SMF_EXT.1.1 #47
V-219382
medium
The security posture on iOS devices requires the device user to configure several required policy rules on their device. User Based Enforcement (UBE) is required for these controls. In addition, if the AO has approved users' full access to the Apple App Store, than users must receive training on risks. If a user is not aware of their responsibilities and does not comply with UBE requirements, the security posture of the iOS mobile device may become compromised and DoD sensitive data may become compromised.
SFR ID: NA
SFR ID: NA
V-219383
medium
The iOS Photos app is unmanaged and may sync photos with a device user's personal iCloud account. Therefore work-related photos should not be taken via the iOS camera app or stored in the Photos app. A managed photo app should be used to take and manage work-related photos.
SFR ID: NA
SFR ID: NA
V-219384
medium
The USB lightning port on an iOS device can be used to access data on the device. The required settings ensure the Apple device password is entered before a previously trusted USB accessory can connect to the device.
SFR ID: FMT_SMF_EXT.1.1 #47
SFR ID: FMT_SMF_EXT.1.1 #47
V-219385
low
Managed apps have been approved for the handling of DoD-sensitive information. Unmanaged apps are provided for productivity and morale purposes but are not approved to handle DoD-sensitive information. Examples of unmanaged apps include apps for news services, travel guides, maps, and social networking. If a document were to be viewed in a managed app and the user had the ability to open this same document in an unmanaged app, this could lead to the compromise of sensitive DoD data. In some cases, the unmanaged apps are connected to cloud backup or social networks that would permit dissemination of DoD-sensitive information to unauthorized individuals. Not allowing data to be opened within unmanaged apps mitigates the risk of compromising sensitive data.
SFR ID: FMT_SMF_EXT.1.1 #42, FDP_ACF_EXT.1.2
SFR ID: FMT_SMF_EXT.1.1 #42, FDP_ACF_EXT.1.2
V-219386
low
Managed apps have been approved for the handling of DoD-sensitive information. Unmanaged apps are provided for productivity and morale purposes but are not approved to handle DoD-sensitive information. Examples of unmanaged apps include apps for news services, travel guides, maps, and social networking. If a document were to be viewed in a managed app and the user had the ability to open this same document in an unmanaged app, this could lead to the compromise of sensitive DoD data. In some cases, the unmanaged apps are connected to cloud backup or social networks that would permit dissemination of DoD-sensitive information to unauthorized individuals. Not allowing data to be opened within unmanaged apps mitigates the risk of compromising sensitive data.
SFR ID: FMT_SMF_EXT.1.1 #42, FDP_ACF_EXT.1.2
SFR ID: FMT_SMF_EXT.1.1 #42, FDP_ACF_EXT.1.2
V-219387
low
An Airdrop feature is a way to send contact information or photos to other users with this same feature enabled. This feature enables a possible attack vector for adversaries to exploit. Once the attacker has gained access to the information broadcast by this feature, he/she may distribute this sensitive information very quickly and without DoD's control or awareness. By disabling this feature, the risk of mass data exfiltration will be mitigated.
Note: If the site uses Apple's optional Device Enrollment Program (DEP), this control is available as a supervised MDM control.
SFR ID: FMT_SMF_EXT.1.1 #47
Note: If the site uses Apple's optional Device Enrollment Program (DEP), this control is available as a supervised MDM control.
SFR ID: FMT_SMF_EXT.1.1 #47
V-219388
medium
The STIG requires AO approval before an Apple Watch (DoD owned or personally owned) can be paired with a DoD owned iPhone to insure the AO has evaluated the risk in having sensitive DoD data transferred to and stored on an Apple Watch in their operational environment.
SFR ID: FMT_SMF_EXT.1.1 #47
SFR ID: FMT_SMF_EXT.1.1 #47
V-219389
medium
The AutoFill functionality in browsers and applications allows the user to complete a form that contains sensitive information, such as PII, without previous knowledge of the information. By allowing the use of the AutoFill functionality, an adversary who learns a user's iPhone and iPad passcode, or who otherwise is able to unlock the device, may be able to further breach other systems by relying on the AutoFill feature to provide information unknown to the adversary. By disabling the AutoFill functionality, the risk of an adversary gaining further information about the device's user or compromising other systems is significantly mitigated.
SFR ID: FMT_SMF_EXT.1.1 #47
SFR ID: FMT_SMF_EXT.1.1 #47
V-219390
medium
This control allows Apple device users to request passwords from nearby devices. This could lead to a compromise of the device password with an unauthorized person or device. DoD Apple device passwords should not be shared.
SFR ID: FMT_SMF_EXT.1.1 #47
SFR ID: FMT_SMF_EXT.1.1 #47
V-219391
medium
This control allows one Apple device to be notified to share its password with a nearby device. This could lead to a compromise of the device password with an unauthorized person or device. DoD Apple device passwords should not be shared.
SFR ID: FMT_SMF_EXT.1.1 #47
SFR ID: FMT_SMF_EXT.1.1 #47
V-219392
medium
This control allows sharing passwords between Apple devices using Airdrop. This could lead to a compromise of the device password with an unauthorized person or device. DoD Apple device passwords should not be shared.
SFR ID: FMT_SMF_EXT.1.1 #47
SFR ID: FMT_SMF_EXT.1.1 #47
V-219393
low
This control does not share a DoD user's location but encourages location sharing between DoD mobile device users, which can lead to OPSEC risks. Sharing the location of a DoD mobile device is a violation of AIOS-13-011900.
SFR ID: FMT_SMF_EXT.1.1 #47
SFR ID: FMT_SMF_EXT.1.1 #47
V-219394
medium
When an iOS/iPadOS is not supervised, the DoD mobile service provider cannot control when new iOS/iPadOS updates are installed on site managed devices. Most updates should be installed immediately to mitigate new security vulnerabilities, while some sites need to test each update prior to installation to insure critical missions are not adversely impacted by the update.
Also, several password and data protection controls can only be implemented when an Apple device is Supervised.
SFR ID: FMT_SMF_EXT.1.1 #47
Also, several password and data protection controls can only be implemented when an Apple device is Supervised.
SFR ID: FMT_SMF_EXT.1.1 #47
V-219395
medium
Unauthorized use of USB storage drives could lead to the introduction of malware or unauthorized software into the DoD IT infrastructure and compromise of sensitive DoD information and systems.
SFR ID: FMT_SMF_EXT.1.1 #47
SFR ID: FMT_SMF_EXT.1.1 #47
V-233510
high
Apple iOS/iPadOS 13 is no longer supported by Apple and therefore, may contain security vulnerabilities.
SFR ID: FMT_SMF_EXT.1.1 #47
SFR ID: FMT_SMF_EXT.1.1 #47