Door Erik van Straten: Zeer kleine [1] kans bij het risico dat een derde kan achterhalen dat jouw app jou gewaarschuwd heeft terwijl jij daarover liegt, uit https://packetstormsecurity.com/files/159419/Corona-Exposure-Notifications-API-Data-Leakage.html: Sep 30, 2020, Authored by Dirk-Willem van Gulik It appears that the corona virus Exposure Notifications API for iOS and Android may have a data leakage issue. [...] As it stands - most (European) implementations in general, and the Dutch implementation specifically, are such that the user can 'swipe away' a exposure notifcation. And once this is done - the app reverts to its exact same behaviour as prior to that notification. With no evidence or data left behind that this user has had this notification (or not). [...] [However, ] 'state' is left behind; even (or especially) when the user deletes his or her app for the phone. This means that an attacker (e.g. an employer, law enforcement, spouse, etc) can force the user to 'prove' wether he or she had (or ...