The online dating app Heyyo left a server exposed on the internet without protection, data were stored on an Elasticsearch instance.
The exposed data included personal details, images, location data, phone numbers, and dating preferences for nearly 72,000 users.
The detailed data exposed left online included:
The news was first reported by ZDNet who was informed about the incident by security researchers from WizCase.
“Avishai Efrat, Wizcase leading
ZDNet verified the authenticity of the data and contacted the Turkey-based company behind Heyyo to notify it of the leak, but the company did not reply for a week.
While waiting for a reply from the development team, the experts noticed that the number of registered users grew from 71,769 to 71,921. Experts also registered an account ad verified that associated data were leaked online. This circumstance suggests that the server was a live production system.
The server was taken down today after ZDNet contacted Turkey’s Computer Emergency Response Team (CERT).
Clearly, the exposure of this type of data poses serious risks, including the extortion, to the users’ privacy.
At the time of writing is unclear if anyone else had access to the exposed database.
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(SecurityAffairs – Heyyo, hacking)