iLeakage: Browser-based Timerless Speculative Execution Attacks on Apple DevicesiLeakage: Browser-based Timerless Speculative Execution Attacks on Apple Devices We present iLeakage, a transient execution side channel targeting the Safari web browser present on Macs, iPads and iPhones. iLeakage shows that the Spectre attack is still relevant and exploitable, even after nearly 6 years of effort to mitigate it since its discovery. We show how an attacker can induce Safari to ren
