Fly Delta 4.4 (Android / Google Play)

 

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This application is available for Android. This app is designed to make booking, boarding and accessing everything via branded Delta airline. The latest build was released on June 28, 2017. Our latest check was performed on Oct 7th, 2016.

Findings Summary

Our examination revealed total 33 items, where were 11 DAR items and 22 DIT items found. Among DAR items were found 0 worst items, 11 bad items, 0 good items, and 0 best items. Among DIT items were found 1 worst item, 0 bad items, 21 good items, and 0 best items.

Below you find 3 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:

DESCRIPTION:
Welcome to Fly Delta 4.0, the biggest update yet to Delta’s award winning Android 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 and view your eBoarding Pass
  • 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 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

 

The Fly Delta app for Android and delta.com are always free to use on Delta’s Wi-Fi-enabled flights. Visit delta.com/app for more information.
Delta Air Lines serves more than 160 million customers each year. With its unsurpassed global network, Delta and its partner airlines offer service to more than 350 destinations in nearly 70 countries in six continents.

 

Protection levels.

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

Locally stored data groups include 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 3.50 points (7.00 points of system protection and 0.00 points of own protection). It equals to a typical value (3.5 points, where’s 7 points of system protection and 0 points of own protection).

Items 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.

Keep in mind if you’re using some Android devices such Samsung, LG or another device with an unlocked or non-locked loader that allow rooting your device without user action, the system level equals 6 points instead of 7. It means your data can be stolen without involving your actions.

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 4.82 points (5.73 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 5.00 points (6 points of system protection, 4 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 – MITM prevented or fake certificate importing prevented, but plaintext non-protected traffic is intercepted, 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 6.00 points (6 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 – MITM prevented or fake certificate importing prevented, but plaintext non-protected traffic is intercepted, 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 Android < 7.0, the system level equals 4 points instead of 6. It means your data can be stolen with a crafted preinstalled certificate on the device or if someone makes you install a certificate. Also, if you’re using out-of-date Android < 5.0, 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.