The Spectre of a Meltdown

Webkit.org: What Spectre and Meltdown Mean for Webkit. Detailed technical explanation of how the Spectre attack reads system memory it’s not allowed to, and the changes Webkit is making to address the problem. This is important given the foundational position Webkit holds on the web—it impacts Safari on iPhone and iPad, Safari, the Apple Watch, and the built in browsers on thousands of iOS applications.