A tiny camera. A hidden earpiece. And someone waiting outside the exam room

During the June exam period, University of Sydney student Charlotte (not her real name) left an economics exam relieved it was over. She was already thinking about the exams she had left and the holiday that would follow. Then she opened Douyin. On the Chinese social media platform, she found a screenshot of some questions from the exam she had just sat. The images were being used as promotional material by sellers of covert equipment, who claimed they demonstrated how their cameras could capture exam papers in real time from inside exam rooms. The University of Sydney later confirmed that…