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August 5, 2021 06:45 pm
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/_d1KEWObVrk/microsoft-announces-super-duper-secure-mode-for-edge
Microsoft Announces 'Super Duper Secure Mode' for Edge
Microsoft said this week it plans to run an experiment in its Edge web browser where it will intentionally disable an important performance and optimization feature in order to enable more advanced security upgrades in what the company is calling Edge Super Duper Secure Mode. From a report: Announced today by Johnathan Norman, Microsoft Edge Vulnerability Research Lead, the idea behind the new Super Duper Secure Mode is to disable support for JIT (Just-In-Time) inside V8, the Edge browser's JavaScript engine. JIT, while unknown to most end-users, plays a crucial role in all of today's web browsers. JIT works by taking JavaScript and compiling it to machine code ahead of time. If the browser needs the code, it gains a significant speed boost. If it doesn't, the code is discarded. However, JIT support in V8 is complex. Norman said JIT-related security issues amounted to 45% of all V8 vulnerabilities in 2019. Furthermore, more than half of the "in the wild" Chrome exploits rely on JIT-related bugs. Norman said that recent tests carried out by the Edge team have shown that despite its pivotal role in speeding up browsers in the early and mid-2010s, JIT is not a crucial feature anymore to Edge's performance.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/_d1KEWObVrk/microsoft-announces-super-duper-secure-mode-for-edge
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