| V-81807 | High | Apple iOS must require a valid password be successfully entered before the mobile device data is unencrypted. | 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... |
| V-81823 | High | Apple iOS device must have the latest available iOS operating system installed. | 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 |
| V-81813 | Medium | Apple iOS must implement the management setting: Encrypt iTunes backups. | When syncing an Apple iOS device to a computer running iTunes, iTunes will prompt the user to back up the Apple iOS device. If the performed backup is not encrypted, this could lead to the... |
| V-81819 | Medium | Apple iOS must implement the management setting: Disable Allow MailDrop. | 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... |
| V-81795 | Medium | Apple iOS must not allow non-DoD applications to access DoD data. | 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... |
| V-81789 | Medium | Apple iOS must not allow backup to remote systems (iCloud Photo Sharing, also known as Shared Photo Streams). | When "Allow iCloud Photos" is enabled, sensitive photos will be uploaded automatically to Apple-specified servers and available on the Apple IOS devices of other users who have accepted... |
| V-81783 | Medium | Apple iOS must not allow backup to remote systems (iCloud Keychain). | The iCloud Keychain is an Apple iOS 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... |
| V-81833 | Medium | Apple iOS must implement the management setting: not share location data through iCloud. | 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... |
| V-81837 | Medium | Apple iOS users must complete required training. | 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,... |
| V-81777 | Medium | Apple iOS must not allow backup of managed app data to locally connected systems. | 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... |
| V-81781 | Medium | Apple iOS must not allow backup to remote systems (iCloud document and data synchronization). | 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... |
| V-81791 | Medium | Apple iOS must not allow backup to remote systems (managed applications data stored in 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_MOF_EXT.1.2 #40 |
| V-81787 | Medium | Apple iOS must not allow backup to remote systems (My Photo Stream). | When My Photo Stream is enabled, sensitive photos will be uploaded automatically to Apple-specified servers and available on other Apple iOS devices associated with the same Apple ID, provided... |
| V-81765 | Medium | Apple iOS must be configured to enforce an application installation policy by specifying one or more authorized application repositories, including [selection: Apple App Store]. | 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... |
| V-81767 | Medium | Apple iOS must not include applications with the following characteristics: Siri when the device is locked. | On Apple iOS devices, 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... |
| V-81769 | Medium | Apple iOS must not include applications with the following characteristics: Voice dialing application if available when MD is locked. | On Apple iOS devices, 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... |
| V-81771 | Medium | Apple iOS must not display notifications when the device is locked. | 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... |
| V-81841 | Medium | Apple iOS must implement the management setting: enable USB Restricted Mode. | The USB lightning port on an iOS device can be used to access data on the device. The required settings is that this control ensures the iOS device password is entered before a previously trusted... |
| V-81759 | Medium | Apple iOS must be configured to lock the display after 15 minutes (or less) of inactivity. | 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... |
| V-81829 | Medium | Apple iOS must implement the management setting: Treat Airdrop as an unmanaged destination. | 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... |
| V-81799 | Medium | Apple iOS must implement the management setting: remove managed applications upon unenrollment from MDM (including sensitive and protected data). | 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 they were... |
| V-81821 | Medium | Apple iOS must implement the management setting: Disable Allow Shared Albums. | 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... |
| V-81827 | Medium | Apple iOS must implement the management setting: not allow messages in an ActiveSync Exchange account to be forwarded or moved to other accounts in the Apple iOS Mail app. | The Apple iOS 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... |
| V-81825 | Medium | Apple iOS must implement the management setting: use SSL for Exchange ActiveSync. | 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... |
| V-81839 | Medium | A managed photo app must be used to take and store work related photos. | The iOS Photos app is unmanaged and may sync photo's 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... |
| V-81793 | Medium | Apple iOS must not allow backup to remote systems (enterprise books). | Enterprise books may contain DoD-sensitive information. When enterprise books are backed up, they are vulnerable to attacks on the backup systems and media. Disabling the backup capability... |
| V-81773 | Medium | Apple iOS must not display notifications (calendar information) when the device is locked. | 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... |
| V-81779 | Medium | Apple iOS must not allow backup to remote systems (iCloud). | 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... |
| V-81811 | Low | Apple iOS must implement the management setting: not allow automatic completion of Safari browser passcodes. | 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... |
| V-81817 | Low | Apple iOS must implement the management setting: require the user to enter a password when connecting to an AirPlay-enabled device for the first time. | When a user is allowed to use AirPlay without a password, there is the potential that it may mistakenly associate the Apple iOS device with an AirPlay-enabled device other than the one intended... |
| V-81815 | Low | Apple iOS must implement the management setting: not allow use of Handoff. | Handoff permits a user of an Apple iOS device to transition user activities from one device to another. Handoff passes sufficient information between the devices to describe the activity, but app... |
| V-81931 | Low | Apple iOS must not allow managed apps to write contacts to unmanaged contacts accounts. | 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... |
| V-81933 | Low | Apple iOS must not allow unmanaged apps to read contacts from managed contacts accounts. | 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... |
| V-81831 | Low | Apple iOS must implement the management setting: not have any Family Members in Family Sharing. | Apple's Family Sharing service allows Apple iOS 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... |
| V-81835 | Low | Apple iOS must implement the management setting: force Apple Watch wrist detection. | 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... |
| V-81761 | Low | Apple iOS must be configured to not allow more than 10 consecutive failed authentication attempts. | 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... |
| V-81763 | Low | If an unmanaged third-party VPN client is installed on the iOS device, it must not be configured with a DoD network (work) VPN profile. | Access to the DoD network must be limited for unmanaged apps because they are considered untrusted.
SFR ID: FMT_SMF_EXT.1.1 #3 |
| V-81755 | Low | Apple iOS must be configured to enforce a minimum password length of six characters. | 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... |
| V-81809 | Low | Apple iOS must implement the management setting: limit Ad Tracking. | 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",... |
| V-81775 | Low | Apple iOS must be configured to display the DoD advisory warning message at start-up or each time the user unlocks the device. | Apple iOS 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... |
| V-81757 | Low | Apple iOS must be configured to not allow passwords that include more than two repeating or sequential characters. | 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... |
| V-81797 | Low | Apple iOS must be configured to disable automatic transfer of diagnostic data to an external device other than an MDM service with which the device has enrolled. | Many software systems automatically send diagnostic data to the manufacturer or a third party. This data enables the developers to understand real-world field behavior and improve the product... |
