On Tue, 6 Apr 2010 15:38:11 -0700, The Lookout wrote
(in article <20100406223811.0CE3C81409@fleegle.mixmin.net>):
> Morpheus <Morpheus@dreamland.com> wrote:
>> I think with an iMac you can just pull the power cord and with a
>> notebook,
>> the on/off switch itself is a kill switch if held down for about 4 or 5
>> seconds. Shouldn't that be sufficient in an emergency?
>>
>> I'm curious also if true crypt passwords are cached on MacOS. If they
>> were
>> in what cache would they reside? Some cache locations are easier to
>> empty
>> than others. Some shut-down routines can automatically empty some
>> chache
>> storage on power down, but not all have that feature and I'm not sure
>> it's
>> all cache locations or only those from a selected list.
>>
>> Any thoughts?
>
> Hi Morph,
>
> It appears that the Mac OS does (or did at one time) cache passwords
> in memory similarly to PC's.
>
> http://arstechnica.com/apple/news/2008/02/mac-os-x-login-password-can-be-phy
> sically-recovered-from-ram.ars
>
> http://news.softpedia.com/news/Mac-Users-Beware-of-Password-Exposing-Glitch-
> 79817.shtml
>
> The system cache or virtual memory could also be a place to worry about
> as anything resident in memory could potentially wind up in the swapfile.
>
> Take care,
> The Lookout
>
Thanks, I'll check it out.
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