Data Breach

31 Million of client records belonging to the virtual keyboard app AI.type leaked online

Another day, another clamorous data breach, this time let’s discuss a data breach that exposes personal data collected by the Keyboard App AI.type.

This story reminds us that every time we download an app we are enlarging our surface of attack, in the majority of cases we are not aware of exact amount of data they collect and how they use them

A group of researchers at the Kromtech Security Center has discovered online a huge trove of personal data belonging to more than 31 million users of the popular virtual keyboard app, AI.type.

The data was included in a MongoDB database that has been accidentally exposed online without any mechanism of protection.

“The Kromtech Security Center has discovered a massive amount of customer files leaked online and publically available. Researchers were able to access the data and details of 31,293,959 users.” states the post published by Kromtech Security.

“The misconfigured MongoDB database appears to belong to Ai.Type a Tel Aviv-based startup that designs and develops a personalized keyboard for mobile phones and tablets for both Android and iOS devices.”

Ai.Type was founded in 2010, its customizable and personalizable on-screen keyboard for Android was downloaded about 40 million times from the Google Play store.

The misconfigured MongoDB database exposed 577 GB of data online, the records include sensitive details on the users, and the worst thing is that such data was not even necessary for the app to work. Researchers highlighted the fact that the Ai.Type request “Full Access” to all data stored on the mobile devices.

“When researchers installed Ai.Type they were shocked to discover that users must allow “Full Access” to all of their data stored on the testng iPhone, including all keyboard data past and present. It raises the question of why would a keyboard and emoji application need to gather the entire data of the user’s phone or tablet?” continues the post.

“Based on the leaked database they appear to collect everything from contacts to keystrokes. This is a shocking amount of information on their users who assume they are getting a simple keyboard application.”

The leaked data includes:

  • Full name, phone number, and email address
  • Device name, screen resolution and model details
  • Android version, IMSI number, and IMEI number
  • Mobile network name, country of residence and even user enabled languages
  • IP address (if available), along with GPS location (longitude/latitude).
  • Links and the information associated with the social media profiles, including birth date, emails, photos.

The researcher made another shocking discovery,  the 6,435,813 records contained data collected by the app from users’ contact books. The leaked database included more than 373 million records scraped from registered users’ phones, which include all their contacts saved/synced on linked Google account.

The archive also includes a range of statistics.

“There was a range of other statistics like the most popular users’ Google queries for different regions. Data like average messages per day, words per message, the age of users, words_per_day’: 0.0, ‘word_per_session and a detailed look at their customers,” the researchers say.

The real question is, “why would like a keyboard, and emoji application need to gather the entire data of the user’s phone or tablet?

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Pierluigi Paganini

(Security Affairs – Google Unwanted Software Policy, privacy)

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Pierluigi Paganini

Pierluigi Paganini is member of the ENISA (European Union Agency for Network and Information Security) Threat Landscape Stakeholder Group and Cyber G7 Group, he is also a Security Evangelist, Security Analyst and Freelance Writer. Editor-in-Chief at "Cyber Defense Magazine", Pierluigi is a cyber security expert with over 20 years experience in the field, he is Certified Ethical Hacker at EC Council in London. The passion for writing and a strong belief that security is founded on sharing and awareness led Pierluigi to find the security blog "Security Affairs" recently named a Top National Security Resource for US. Pierluigi is a member of the "The Hacker News" team and he is a writer for some major publications in the field such as Cyber War Zone, ICTTF, Infosec Island, Infosec Institute, The Hacker News Magazine and for many other Security magazines. Author of the Books "The Deep Dark Web" and “Digital Virtual Currency and Bitcoin”.

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