LinkedIn 4.0.93 (Android / Google Play)

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This application is available for Android. This app is designed to make it easier to connect to the people and things that matter in your professional world. The latest build was released on December 7, 2016. Our latest check was performed on Oct 7th, 2016.

Findings Summary

Our examination revealed total 30 items, where were 12 DAR items and 18 DIT items found. Among DAR items were found 0 worst items, 12 bad items, 0 good items, and 0 best items. Among DIT items were found 0 worst items, 0 bad items, 18 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:

The LinkedIn app makes it easier to connect to the people and things that matter in your professional world. Build and nurture your professional network, stay up to date with the latest business and industry news, and find your next dream job.
It all starts with your LinkedIn profile. It’s more than just your professional resume — it shows the world who you are and what you’ve accomplished in your career. But that’s just the beginning:

  • Search for people, jobs, companies and groups
  • Get updates from the people, publishers and companies that matter to your professional success
  • Tell your story with your professional profile and build your professional brand
  • Update your professional profile right from the app to polish your resume wherever you are
  • Grow your professional network and keep in touch
  • Reach out to people and view their professional profiles
  • Share articles to establish yourself as a thought leader
  • Follow companies to get job postings, business updates, and suggestions to connect with people you may know
  • Upgrade your account to LinkedIn Premium from right within the app

Have questions on a particular permission? http://linkd.in/1l0S8YZ

 

Protection levels.

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

Locally stored data groups include Address Book ‘n’ Contact Information, Message Information, Personal ‘n’ Private Information, Credentials Information, Account Information, Social 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.

– Account Data (‘Address Book ‘n’ Contact 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 info locally stored, cached or transferred over the network and belong to this application if it’s social even,

– Media URLs (‘Address Book ‘n’ Contact Information’ Group) – URLs related to media info such as stream media or profile’s media, 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,

– Messages (‘Message Information’ Group) – Different types of messages, conversations, except for SMS, MMS but including recipient and sender IDs and attachments. This data item related to mentioned group meant to be all message, including SMS, MMS, social and IM messages with or without attachments,

– Account Data (‘Message 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 all message, including SMS, MMS, social and IM messages with or without attachments,

– Media URLs (‘Message Information’ Group) – URLs related to media info such as stream media or profile’s media, etc. This data item related to mentioned group meant to be all message, including SMS, MMS, social and IM messages with or without attachments,

– Personalization (‘Personal ‘n’ Private Information’ Group) – Info describes user preferences, favorites, tracked data, search requests, suggestions, etc. This data item related to mentioned group meant to be any personal and private info is not grabbed from the 3rd party social networks or your IDs,

– 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 URLs (‘Account Information’ Group) – URLs related to media info such as stream media or profile’s media, 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 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,

– Credentials (IDs) (‘Social 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 info grabbed from 3rd party social networks,

– Credentials (Tokens) (‘Credentials 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 give 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.,

– 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

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, Address Book ‘n’ Contact Information, Message Information, Personal ‘n’ Private Information, Social 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.,

– Credentials (Tokens) (‘Credentials 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 give 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,

– Media URLs (‘Account Information’ Group) – URLs related to media info such as stream media or profile’s media, 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,

– Contact Profile (‘Address Book ‘n’ Contact Information’ Group) – Full info about contacts including name email id, phone numbers, gender, linked accounts, geodata, stream and social activity. 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 URLs (‘Address Book ‘n’ Contact Information’ Group) – URLs related to media info such as stream media or profile’s media, 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,

– 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,

– Work/Edu History (‘Account Information’ Group) – Basic info about job titles, date and times, company names. 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,

– Work/Edu Details (‘Account Information’ Group) – Full info about your or friend work/Edu activity, including job titles, company names, references, reviews, projects, public materials, 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,

– Messages (‘Message Information’ Group) – Different types of messages, conversations, except for SMS, MMS but including recipient and sender IDs and attachments. This data item related to mentioned group meant to be all message, including SMS, MMS, social and IM messages with or without attachments,

– 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,

– Work/Edu Details (‘Address Book ‘n’ Contact Information’ Group) – Full info about your or friend work/Edu activity, including job titles, company names, references, reviews, projects, public materials, 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,

– Work/Edu History (‘Address Book ‘n’ Contact Information’ Group) – Basic info about job titles, date and times, company names. 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,

– Stream (‘Address Book ‘n’ Contact Information’ Group) – Any social or another stream activity including posts, walls, 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,

– Stream (‘Account Information’ Group) – Any social or another stream activity including posts, walls, 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,

– Personalization (‘Personal ‘n’ Private Information’ Group) – Info describes user preferences, favorites, tracked data, search requests, suggestions, etc. This data item related to mentioned group meant to be any personal and private info is not grabbed from the 3rd party social networks or your IDs,

– Credentials (IDs) (‘Social 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 info grabbed from 3rd party social networks

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.