https://www.bleepingcomputer.com/news/security/online-library-app-onleihe-faces-issues-after-cyberattack-on-provider/

Library lending app Onleihe announced problems lending several media formats offered on the platform, like audio, video, and e-book files, after a cyberattack targeted their vendor.

Onleihe is an app that allows users to connect to your local libraries and borrow eBooks, eMagazines, and audiobooks. The app is used by numerous universities in Europe and also the international Goethe-Institut, and in Germany, it accounts for roughly 40% of all eBook consumption.