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This can be achieved using a technique called [[!wikipedia cold boot attack]]. To prevent such attacks, the data in RAM is overwritten by random data when you shut down Tails.
 
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The “wiki/src/doc/advanced_topics/cold_boot_attacks.pl.po” file was changed. 02/27/2024
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<p>See how we implement this [[memory
erasure|contribute/design/memory_erasure]], for example, if you want to
implement this feature outside of Tails.</p>
 
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<p>In a <a
href="https://www.forensicfocus.com/stable/wp-content/uploads/2011/08/cold_boot_attack_for_forensiscs1.pdf">research
report from 2011</a>, Defense Research and Development Canada concluded that
cold boot attacks can be useful in some cases to acquire data in memory but are
not a panacea and have many drawbacks dictated by the laws of physics, which
cannot be overcome by the technique. The authors recommend to only use cold
boot attacks as a last resort when all other avenues have been exhausted.</p>
 
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<p>As far as we know, cold boot attacks are not a common procedure for
data recovery.</p>
 
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After a computer is powered off, the data in RAM disappears rapidly, but it can remain in RAM up to several minutes after shutdown. An attacker having access to a computer before the data in RAM disappears completely could recover important data from your session.
 
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The “wiki/src/doc/advanced_topics/cold_boot_attacks.pl.po” file was changed. 01/25/2024
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Moreover, an attacker having physical access to the computer *while Tails is running* can recover data from RAM as well. To avoid that, learn the different methods to [[shutdown Tails|doc/first_steps/shutdown]] rapidly.
Co więcej, atakujący mający fizyczny dostęp do komputera *podczas gdy Tails jest uruchomiony* może również odzyskać dane z pamięci RAM. Aby tego uniknąć, poznaj różne metody szybkiego [[zamykania Tails|doc/first_steps/shutdown]].
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While using a computer, all the data manipulated is written temporarily in [[!wikipedia Random-access_memory desc="RAM"]]: texts, saved files, but also passwords and encryption keys. The more recent the activity, the more likely it is for the data to still be in RAM.
Podczas korzystania z komputera wszystkie manipulowane dane są tymczasowo zapisywane w [[!wikipedia Random-access_memory desc="RAM"]]: teksty, zapisane pliki, ale także hasła i klucze szyfrowania. Im nowsza aktywność, tym większe prawdopodobieństwo, że dane nadal znajdują się w pamięci RAM.
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[[!meta title="Protection against cold boot attacks"]]
[[!meta title="Ochrona przed atakami typu cold boot"]]
01/25/2024
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Changes committed
Changes committed 12/22/2023
xzdfrlhz

Translation completed
Translation completed 12/22/2023

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