Stefan Sperling wrote on Thu, 26 Aug 2021 10:30 +00:00:
> And while we are considering read-only vs. read-write access:
> Plaintext passwords or not, in my contrived scenario Eve could always
> trick Alice into using a different user account by caching a set of
> valid credentials which Eve knows. Apart from not caching credentials
> at all I don't see a way to prevent this.

That scenario is called an "evil maid attack".  I don't think we should
try to prevent it.  We are not in the business of posting guards to watch
over unattended laptops.

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