Richard Zhu, in plaid shirt, and Amat Cama, right, watch as they compete in the 2019 Pwn2Own contest with a zero-day exploit against the Microsoft Edge web browser. (Zero Day Initiative / Twitter)
Richard Zhu, left, and Amat Cama celebrate one of their successes on the first day of the 2019 Pwn2Own competition in Vancouver. (Zero Day Initiative / YouTube)