Microsoft’s ‘Super Duper Secure Mode’ for Edge trades speed for better security

Illustration by Alex Castro / The Verge

Microsoft’s browser vulnerability research team is working on a mode to make the Edge browser more secure, and it’s given it an incredible name: “Super Duper Secure Mode” (via The Record). The mode is currently very experimental, but could help make it harder for attackers trying to exploit bugs in Microsoft’s browser by turning off certain optimizations.

To make the browser “super duper secure,” the mode turns off a feature of Edge’s JavaScript engine that’s meant to make a website’s code run faster. The technology is called Just-In-Time compilation (or JIT), and while it can help improve performance, it’s also fiendishly complex. This makes it easy for bugs to slip in, which can lead to security exploits — Microsoft points to analysis…

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