Microsoft adds Edge security feature "Super Duper Secure Mode"

Microsoft adds Edge security feature “Super Duper Secure Mode”

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2021-08-09 06:18:09

Microsoft says its Edge Vulnerability Research team is testing a new feature called “Super Duper Secure Mode”. This is a feature that can bring security improvements to Microsoft Edge without affecting performance.

When enabled, “Super Duper Secure Mode” removes Just-In-Time Compilation (JIT) from the V8 workflow, giving bad guys an attack surface to hack into Edge users’ systems.

Based on Common Vulnerability (CVE) data collected since 2019, about 45% of vulnerabilities found in V8 JavaScript engine and WebAssembly are JIT engine related. More than half of all Chrome vulnerabilities exploited take advantage of JIT bugs.

Microsoft Edge experts say “Super Duper Secure Mode” will help eliminate half of the V8 bugs that need to be fixed. In addition, it makes other bugs harder to exploit. In short, “Super Duper Secure Mode” reduces the vulnerability for users and adds more barriers for hackers.

The special point is that “Super Duper Secure Mode” does not always cause a negative impact on the performance of Microsoft Edge.

Currently, “Super Duper Secure Mode” is still in beta but you can enable it on Microsoft Edge Beta, Dev or Canary by visiting edge://flags/#edge-enable-super-duper-secure-mode then select Enable.

Now, when “Super Duper Secure Mode” is enabled, JIT (TurboFan/Sparkplug) will be disabled and Control-flow Enforcement Technology (CET) will be enabled. CET is an Intel hardware-based damage mitigation engine designed to provide a safer browsing experience.

In the future, Microsoft wants to add support for Arbitrary Code Guard (ACG), another security enhancement that helps prevent malicious code from being loaded into memory.

However, you should note that “Super Duper Secure Mode” so far is only at the experimental level. Microsoft said it still has a lot to change and many challenges to overcome.

In addition, when officially launched the name “Super Duper Secure Mode” may also have to change to be more professional.


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