Fly Delta 4.4 (iOS / App Store)

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This application is available for iOS. This app is designed to make booking, boarding and accessing everything via branded Delta airline. The latest build was released on Jul 10, 2017. Our latest check was performed on Mar 26th, 2017.

Findings Summary

Our examination revealed total 36 items, where were 14 DAR items and 22 DIT items found. Among DAR items were found 0 worst items, 11 bad items, 1 good item, and 2 best items. Among DIT items were found 1 worst item, 20 bad items, 1 good item, and 0 best items.

Below you find 4 infographics summarizing what we described above. Each image provides information about both DAR and DIT items.

 

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Everything presented below is related to well-known CWEs, such as Sensitive data leakage [CWE-200], Unsafe sensitive data storage [CWE-312], Unsafe sensitive data transmission [CWE-319]. You can read more about it here.

Now let’s go deeper and examine each data item’s protection level.

 

Application Description

Let’s cite the description of this application below:

Welcome to Fly Delta 4.0, the biggest update yet to Delta’s award winning iPhone app. With a redesigned Today screen which provides quick access to your eBoarding pass and other important day-of-travel information, Fly Delta makes travel easier than ever before.

  • Find, compare and book Domestic and International flights
  • Book SkyMiles® award tickets
  • Purchase Delta Comfort+™ and Trip Extras, including in-flight Wi-Fi, Priority

Boarding and more

  • Reserve Preferred Seats like bulkhead and aisle
  • Rebook cancelled flights or missed connections
  • Manage your trips, profile and customize your travel preferences
  • Check your SkyMiles® account balance and current Medallion® status
  • Check in, view your eBoarding Pass and add it to Apple Wallet
  • Pay for checked bags and track their location
  • Check the latest flight status and receive flight and gate change notifications
  • Save a photo to remember your parking spot
  • Check your status on the upgrade or standby list
  • View or change your seat
  • Locate Delta Sky Club® lounges
  • View interactive airport maps, public transportation details and weather information
  • Get detailed info about our fleet and partners
  • Map flights en route with an interactive flight tracker
  • “Today” gathers everything you need for your day of travel into one convenient place
  • “Feed” ensures you always have the latest flight updates, gate changes and more
  • View countdown to departure and arrival along with gate and baggage carousel information on Apple Watch

The Fly Delta app for iPhone and delta.com are always free to use on Delta’s Wi-Fi-enabled flights. Visit delta.com/app for more information.

 

Protection levels.

Locally stored data (Data-at-Rest, DAR).

Locally stored data groups include Media Information, Analytics ‘n’ Ads Information, Device Information, Location ‘n’ Maps Information, Loyalty Information, Account Information, Financial Information, Credentials Information, Travel Information.
The average DAR value is 4.29 points (7.00 points of system protection and 1.57 points of own protection). It is higher than a typical value (3.5 points, where’s 7 points of system protection and 0 points of own protection).

Items’ GROUP #1 with average value 6.50 points (7 points of system protection, 6 points of own protection) means data protection levels have following definitions. Frankly talking, protection and privacy issues are still possible but might involve interaction with an app code where system protection level means – root/jailbreak is required but not possible without wiping device data, and own protection level means – data is not available in backups.

– Screen Snapshots (‘Media Information’ Group) – Screenshots of your device screen running certain apps; common as an iOS app multitasking feature (app swipes) or browser tab swipes. This data item related to mentioned group meant to be any data like photo, image, video, audio

Items’ GROUP #2 with average value 3.50 points (7 points of system protection, 0 points of own protection) means data protection levels have following definitions. Frankly talking, extra data found that shouldn’t be accessed where system protection level means – root/jailbreak is required but not possible without wiping device data, and own protection level means – stored as is.

– Device Details (‘Analytics ‘n’ Ads Information’ Group) – Includes basic device details plus hardware key and fingerprints as well as IMEI. This data item related to mentioned group meant to be any info related to analytics services like Flurry, Google Analytics, etc. or advertisements,

– Device Data (‘Device Information’ Group) – Device ID, Device Name, Device OS Name and Version, and jailbroken/root status. This data item related to mentioned group meant to be details about your device,

– Media Data (‘Location ‘n’ Maps Information’ Group) – Any info like images, audios, videos, media notes, etc. This data item related to mentioned group meant to be any geodata from trackers, social networks, GPS, etc.,

– Account Details (‘Loyalty Information’ Group) – Full info about your account including account membership, expiration, profile, linked data and account, etc. This data item related to mentioned group meant to be any information related to known reward programs like membership, current rewards, etc.,

– Address Data (‘Loyalty Information’ Group) – Home, work or another type of owner address stored by apps. This data item related to mentioned group meant to be any information related to known reward programs like membership, current rewards, etc.,

– Account Details (‘Account Information’ Group) – Full info about your account including account membership, expiration, profile, linked data and account, etc. This data item related to mentioned group meant to be any info related to profiles, basic credential IDs like email or username or phone number plus some more info depends on applications,

– Card Short Information (‘Financial Information’ Group) – Some info about card holder, card number full or short) and expiration. This data item related to mentioned group meant to be any info that describe payments capabilities,

– Credentials (IDs) (‘Credentials Information’ Group) – Only account IDs like app or 3rd party user IDs including emails, phone number, usernames, etc. (depends on apps). This data item related to mentioned group meant to be any types of credentials including basic (IDs only), passwords, tokens, etc.,

– Credentials (IDs) (‘Loyalty Information’ Group) – Only account IDs like app or 3rd party user IDs including emails, phone number, usernames, etc. (depends on apps). This data item related to mentioned group meant to be any information related to known reward programs like membership, current rewards, etc.,

– Card Short Number (‘Financial Information’ Group) – Several digits of your card from 4 to 6 first digits and from 6 to 4 last digits. This data item related to mentioned group meant to be any info that describe payments capabilities,

– Travel Data (‘Travel Information’ Group) – Some info about accommodation, flight or ground routes. This data item related to mentioned group meant to be any travel info like flight, accommodation, ground transportation, etc.

Items’ GROUP #3 with average value 7.50 points (7 points of system protection, 8 points of own protection) means data protection levels have following definitions. Frankly talking, compliance but there are publicly known techniques to access the data including forensics one where system protection level means – root/jailbreak is required but not possible without wiping device data, and own protection level means – compliance encryption algorithms ‘n’ security mechanisms implementations.

– Credentials (Passwords) (‘Credentials Information’ Group) – Well-known passwords or PINs you’re using to get access to your account (usually it is worse than tokens because it gives full access to your account). This data item related to mentioned group meant to be any types of credentials including basic (IDs only), passwords, tokens, etc.,

– Credentials (Passwords) (‘Loyalty Information’ Group) – Well-known passwords or PINs you’re using to get access to your account (usually it is worse than tokens because it gives full access to your account). This data item related to mentioned group meant to be any information related to known reward programs like membership, current rewards, etc.

Also, keep in mind, using jailbroken device means the system protection level is 0 points and you’re using out-of-date iOS < 8.3 the system protection level is 2 points. If some data marked as shareable via iTunes, then the system protection level is 4 points.

Transferred data (Data-in-Transit, DIT).

Transferred data groups include Application Information, Device Information, Loyalty Information, Credentials Information, Account Information, Visa ‘n’ Passport Information, Travel Information, Booking ‘n’ Purchases Information, Financial Information, Location ‘n’ Maps Information.
The average DIT value is 4.34 points (4.77 points of system protection and 3.91 point of own protection). It is higher than a typical value (4 points, where’s 4 points of system protection and 4 points of own protection).

Items’ GROUP #1 with average value 4.50 points (5 points of system protection, 4 points of own protection) means data protection levels have following definitions. Frankly talking, data available if it’s allowed only and may require user action where system protection level means – some techniques are available to developers to keep connection bypassing system settings, like proxy settings, etc., and own protection level means – bypassed by fake/stolen root certificates.

– Application Configs (‘Application Information’ Group) – Different configuration files created by your app, perhaps app permissions. This data item related to mentioned group meant to be any info related to the app, app settings, including installed apps or installers,

– Environment (‘Device Information’ Group) – Different info about the environment of the device including apps lists, device info, OS name and versions, updates, a list of users, network details, etc. This data item related to mentioned group meant to be details about your device,

– Credentials (IDs) (‘Loyalty Information’ Group) – Only account IDs like app or 3rd party user IDs including emails, phone number, usernames, etc. (depends on apps). This data item related to mentioned group meant to be any information related to known reward programs like membership, current rewards, etc.,

– Credentials (Passwords) (‘Loyalty Information’ Group) – Well-known passwords or PINs you’re using to get access to your account (usually it is worse than tokens because it gives full access to your account). This data item related to mentioned group meant to be any information related to known reward programs like membership, current rewards, etc.,

– Credentials (IDs) (‘Credentials Information’ Group) – Only account IDs like app or 3rd party user IDs including emails, phone number, usernames, etc. (depends on apps). This data item related to mentioned group meant to be any types of credentials including basic (IDs only), passwords, tokens, etc.,

– Credentials (Passwords) (‘Credentials Information’ Group) – Well-known passwords or PINs you’re using to get access to your account (usually it is worse than tokens because it gives full access to your account). This data item related to mentioned group meant to be any types of credentials including basic (IDs only), passwords, tokens, etc.,

– Account Details (‘Account Information’ Group) – Full info about your account including account membership, expiration, profile, linked data and account, etc. This data item related to mentioned group meant to be any info related to profiles, basic credential IDs like email or username or phone number plus some more info depends on applications,

– Account Details (‘Loyalty Information’ Group) – Full info about your account including account membership, expiration, profile, linked data and account, etc. This data item related to mentioned group meant to be any information related to known reward programs like membership, current rewards, etc.,

– Transaction History (‘Loyalty Information’ Group) – Some info about transactions were made like ID, date and time, and amount of payment. This data item related to mentioned group meant to be any information related to known reward programs like membership, current rewards, etc.,

– Transaction Details (‘Loyalty Information’ Group) – Details of transactions were made like ID, date and time, the amount of payment, recipient, notes, payment types, linked data, etc. This data item related to mentioned group meant to be any information related to known reward programs like membership, current rewards, etc.,

– Travel Data (‘Loyalty Information’ Group) – Some info about accommodation, flight or ground routes. This data item related to mentioned group meant to be any information related to known reward programs like membership, current rewards, etc.,

– Passport Details (‘Visa ‘n’ Passport Information’ Group) – Full info including name, number expiration, address, gender, birthday, country, family, etc., except biometric data. This data item related to mentioned group meant to be all details are part of passport, visa or another ids,

– Card Short Number (‘Account Information’ Group) – Several digits of your card from 4 to 6 first digits and from 6 to 4 last digits. This data item related to mentioned group meant to be any info related to profiles, basic credential IDs like email or username or phone number plus some more info depends on applications,

– Personalization (‘Travel Information’ Group) – Info describes user preferences, favorites, tracked data, search requests, suggestions, etc. This data item related to mentioned group meant to be any travel info like flight, accommodation, ground transportation, etc.,

– Orders & Reservation Details (‘Booking ‘n’ Purchases Information’ Group) – Full info about orders, reservations, like ID, date and time, amount of payment, flight routes, hotel or another order details, rules, linked data. This data item related to mentioned group meant to be any info related to your booking and purchases like travel, app or another kind of purchases,

– Orders & Reservation History (‘Booking ‘n’ Purchases Information’ Group) – Basic info about orders, reservations, like ID, date and time, amount of payment, and place (depends on apps). This data item related to mentioned group meant to be any info related to your booking and purchases like travel, app or another kind of purchases,

– Card Short Information (‘Financial Information’ Group) – Some info about card holder, card number full or short) and expiration. This data item related to mentioned group meant to be any info that describe payments capabilities,

– Card Address (‘Financial Information’ Group) – Home or work address of owner related to his bank account and cards. This data item related to mentioned group meant to be any info that describe payments capabilities,

– Tracked Data ‘n’ Favorites (‘Travel Information’ Group) – Any favorites data or tracked data marked as desirable by users and for users (Means, user is on FB messenger, Viber, bank client or favourite hotel, room type, flight route, airline). This data item related to mentioned group meant to be any travel info like flight, accommodation, ground transportation, etc.,

– Media Data (‘Location ‘n’ Maps Information’ Group) – Any info like images, audios, videos, media notes, etc. This data item related to mentioned group meant to be any geodata from trackers, social networks, GPS, etc.

Items’ GROUP #2 with average value 5.50 points (5 points of system protection, 6 points of own protection) means data protection levels have following definitions. Frankly talking, data is not available all the time or partially accessed where system protection level means – some techniques are available to developers to keep connection bypassing system settings, like proxy settings, etc., and own protection level means – SSL pinning (can be patched).

– Address Data (‘Account Information’ Group) – Home, work or another type of owner address stored by apps. This data item related to mentioned group meant to be any info related to profiles, basic credential IDs like email or username or phone number plus some more info depends on applications

Items’ GROUP #3 with average value 0.00 points (0 points of system protection, 0 points of own protection) means data protection levels have following definitions. Frankly talking, data ‘as is’ and easily accessed (plaintext, no protection at all) where system protection level means – transferred (or supposed to be) ‘as is’ (plaintext) due to jailbreak/root or preinstalled non-trusted firmware, certificates, etc., and own protection level means – transferred as is, perhaps protection mode turns off or doesn’t exist or info reveal eventually.

– Stream (‘Loyalty Information’ Group) – Any social or another stream activity including posts, walls, etc. This data item related to mentioned group meant to be any information related to known reward programs like membership, current rewards, etc.

Keep in mind if you’re using out-of-date iOS < 9.0, the system level equals 2 points instead of 4. It means your data can be stolen without involving your actions.

Privacy Policy

Full application privacy policy is available here.

You may find privacy policy details proceeding the link above to compare developer’s vision on data protection with our results.