You open an application to read the news, check your e-mail or social networks and, on many occasions, it asks you for a username (which may be your email address) and a password. You must sign in to access the headlines which have been customized depending on your preferences, your Inbox where you receive your emails (and not those addressed to anyone else) or, to your personal, and supposedly non-transferable, account.
Technically, yes. A team of researchers from the University of Darmstadt (Germany) and the Fraunhofer Institute for Secure Information Technology scanned 750,000 applications for Android and iOS and discovered that the apps developers didn’t take as seriously as they should the security of this important step (login or authentication).
