Ionut Ilascu reports:
Security researchers discovered that personal data of more than 100 million Android users has been exposed due to various misconfigurations of cloud services.
The data was found in unprotected real-time databases used by 23 apps with download counts ranging from 10,000 to 10 million and also includes internal developer resources.
Read more on Bleeping Computer, or you can jump to the full research report on Check Point. The research was conducted by Aviran Hazum, Aviad Danin, Bogdan Melnykov, Dana Tsymberg and Israel Wernik.