Smart home devices are on the rise. To provide their rich variety of features, they collect, store and process a considerable amount of (potentially sensitive) user data. However, authentication mechanisms on such devices a) have limited usability or b) are nonexisting. To close this gap, we investigated, on one hand, ...

In the era of ubiquitous computing, users security and privacy is at risk at almost all times. Security and privacy assistants support their users in becoming aware of these risks and taking the appropriate measures to protect their data. However, they often suffer from being too complex, not intuitive and non-engaging. ...