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Both Chromium and Firefox also have built-in PDF readers that run in the browser sandbox so you can read PDFs with no more attack surface than the webpage that
by kevincox 3y ago
Both Chromium and Firefox also have built-in PDF readers that run in the browser sandbox so you can read PDFs with no more attack surface than the webpage that you downloaded them from has access to. Of course a separate VM is going to be even more secure but it is a much bigger step for the average user.
- ElectricalUnion 3y agoIt all depends on your Operations Security model. For some people it's more important for things to be available and convenient that for them to be secure. For the average user, I would say malware running under the browser sandbox within a domain context is game over, assuming for example malware under your webmail or bank page domain. This XKCD applies to this very well: https://xkcd.com/1200/ https://xkcd.com/1200/ > If someone steals my laptop while I'm logged in, they can read my email, take my money, and impersonate me to my friends, but at least they can't install drivers without my permission.
- ppergame 3y agoEach browser tab and cross-origin iframe is its own process sandbox. Web security operates on domain boundaries. If your webmail provider or bank is serving malware or user generated content under the same origin as the frontend, they have self-owned beyond the browser’s capacity to help.