Fiona Colquhoun

SafeScreen: Evaluating a Screen-Detecting Smartphone Camera App under Benign and Adversarial Use

Camera-equipped smartphones pose security risks to organisations by allowing intentional or accidental leaks of confidential on-screen information. We introduce SafeScreen, an Android camera app that detects and obfuscates screen content in real-time using deep-learning recognition for distant screens and Moiré patter…