Introducing Site Isolation in Firefox (Mozilla security blog)

[Development] Posted May 18, 2021 16:33 UTC (Tue) by corbet

The Mozilla Security Blog announces that there is a new site-isolation mechanism available for testing in the Firefox browser. It's a defense against Meltdown and Spectre exploits.

This fundamental redesign of Firefox's Security architecture extends current security mechanisms by creating operating system process-level boundaries for all sites loaded in Firefox for Desktop. Isolating each site into a separate operating system process makes it even harder for malicious sites to read another site’s secret or private data.

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