Trello 4.3.0.2809 (Android / Google Play)

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This application is available for Android. This app is designed to be to-do list app with calendar activity, dashboard, checklist and so on. The latest build was released on July 10, 2017. Our latest check was performed on May 17th, 2017.

Findings Summary

Our examination revealed total 25 items, where were 16 DAR items and 9 DIT items found. Among DAR items were found 0 worst items, 16 bad items, 0 good items, and 0 best items. Among DIT items were found 0 worst items, 0 bad items, 9 good items, and 0 best items.

Below you find 2 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:

Trello gives you perspective over all your projects, at work and at home.
Whether it”s managing a team, writing an epic screenplay, or just making a grocery list, Trello is your sidekick for getting things done and staying organized.
With Trello you can:

  • Create boards to organize anything you”re working on.
  • Use them solo or invite coworkers, friends and family to collaborate.
  • Customize workflows for different projects
  • Add checklists of “To-Dos” on cards
  • Assign tasks to yourself and coworkers
  • Comment on items with your friends
  • Attach files from Google Drive and Dropbox
  • Upload photos and videos
  • Reply to comments from Android Wear

Trello is free to use forever.
“Trello is one of those few apps that actually balances both a simple, elegant user interface and powerful, flexible features.” – Lifehacker

 

Protection levels.

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

Locally stored data groups include Analytics ‘n’ Ads Information, Tasks Information, Log Information, Credentials Information, Account Information, Address Book ‘n’ Contact 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 Data (‘Analytics ‘n’ Ads 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 any info related to analytics services like Flurry, Google Analytics, etc. or advertisements,

– Document List (‘Tasks Information’ Group) – The list of documents stored local or synchronized over the Internet. This data item related to mentioned group meant to be any information referred to tasks, like a typical task manager,

– Log Data (‘Log Information’ Group) – Logged any data as a solid file or multipart files. This data item related to mentioned group meant to be any information stored in local or network logs,

– Tasks (‘Tasks Information’ Group) – Different tasks stored locally or sync with server including all notes/tasks details. This data item related to mentioned group meant to be any information referred to tasks, like a typical task manager,

– Document Details (‘Tasks Information’ Group) – Common info about documents synchronized or stored locally (properties like size, date and time, etc.). This data item related to mentioned group meant to be any information referred to tasks, like a typical task manager,

– 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.,

– Media Data (‘Account Information’ Group) – Any info like images, audios, videos, media notes, 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,

– URLs (‘Account Information’ Group) – Different types of URLs referred to your files stored in clouds, profiles, social accounts, media files available online, 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,

– URLs (‘Tasks Information’ Group) – Different types of URLs referred to your files stored in clouds, profiles, social accounts, media files available online, etc. This data item related to mentioned group meant to be any information referred to tasks, like a typical task manager,

– Account Data (‘Account Information’ Group) – Basic info about account like name, a list of sub-account (e.g. financial or other) and some linked data like a phone number. 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,

– Media Data (‘Address Book ‘n’ Contact Information’ Group) – Any info like images, audios, videos, media notes, etc. This data item related to mentioned group meant to be info locally stored, cached or transferred over the network and belong to this application if it’s social even,

– Log Data (‘Analytics ‘n’ Ads Information’ Group) – Logged any data as a solid file or multipart files. This data item related to mentioned group meant to be any info related to analytics services like Flurry, Google Analytics, etc. or advertisements,

– Environment (‘Analytics ‘n’ Ads 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 any info related to analytics services like Flurry, Google Analytics, etc. or advertisements,

– Application Events (‘Analytics ‘n’ Ads Information’ Group) – App events referred to user actions ‘n’ activities were done. This data item related to mentioned group meant to be any info related to analytics services like Flurry, Google Analytics, etc. or advertisements,

– Credentials (Access IDs) (‘Analytics ‘n’ Ads Information’ Group) – Different tokens used to get access to your account, except for passwords but including app or 3rd party tokens, secret keys, etc. (usually don’t give full access to your account because based on permissions linked to these access tokens). This data item related to mentioned group meant to be any info related to analytics services like Flurry, Google Analytics, etc. or advertisements,

– Application Events (‘Log Information’ Group) – App events referred to user actions ‘n’ activities were done. This data item related to mentioned group meant to be any information stored in local or network logs

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 Credentials Information, Account Information, Tasks Information, Address Book ‘n’ Contact Information.
The average DIT value is 5.00 points (6.00 points of system protection and 4.00 points 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 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.

– 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 Data (‘Account Information’ Group) – Basic info about account like name, a list of sub-account (e.g. financial or other) and some linked data like a phone number. 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,

– Media Data (‘Account Information’ Group) – Any info like images, audios, videos, media notes, 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,

– Tasks (‘Tasks Information’ Group) – Different tasks stored locally or sync with server including all notes/tasks details. This data item related to mentioned group meant to be any information referred to tasks, like a typical task manager,

– Contact Short Profile (‘Address Book ‘n’ Contact Information’ Group) – Name, Email ID, Phone number of contacts. This data item related to mentioned group meant to be info locally stored, cached or transferred over the network and belong to this application if it’s social even,

– Media Data (‘Address Book ‘n’ Contact Information’ Group) – Any info like images, audios, videos, media notes, etc. This data item related to mentioned group meant to be info locally stored, cached or transferred over the network and belong to this application if it’s social even,

– Sync Documents (‘Tasks Information’ Group) – Documents synchronized or locally stored on your device as is or converted into another file formats (like.pdf or set of separated jpg file per each .pdf file. This data item related to mentioned group meant to be any information referred to tasks, like a typical task manager,

– Document List (‘Tasks Information’ Group) – The list of documents stored local or synchronized over the Internet. This data item related to mentioned group meant to be any information referred to tasks, like a typical task manager

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.