Twitter shared location data on iOS devices

15. May 2019

Twitter recently published a statement admitting that the app shared location data on iOS devices even if the user had not turned on the “precise location” feature.

The problem appeared in cases in which a user used more than one Twitter account on the same iOS device. If he or she had opted into the “precise location” feature for one account it was also turned on when using another account, even if the user had not opted into using the feature on this account. The information on the real-time location was then passed on to trusted partners of Twitter. However, through technical measures, only the postcode or an area of five square kilometres was passed on to the partners. Twitter accounts or other “Unique Account IDs”, which reveal the identity of the user, were allegedly not transmitted.

According to Twitter’s statement, they have fixed the problem and informed the affected users: “We’re very sorry this happened. We recognize and appreciate the trust you place in us and are committed to earning that trust every day”.