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      <trans-unit xml:space="preserve" id="776896b05687841b" weblate-flags="no-wrap">
        <source>[[!meta title="Protection against cold boot attacks"]]
</source>
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        <note from="developer">type: Plain text</note>
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        <source>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.</source>
        <target></target>
        <note from="developer">type: Plain text</note>
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      <trans-unit xml:space="preserve" id="54fb17c457babdb1">
        <source>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.</source>
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        <note from="developer">type: Plain text</note>
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        <source>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.</source>
        <target></target>
        <note from="developer">type: Plain text</note>
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      <trans-unit xml:space="preserve" id="a61d86bd2e33f40b">
        <source>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.</source>
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        <note from="developer">type: Plain text</note>
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        <source>&lt;div class="attack"&gt;
</source>
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        <source><p>As far as we know, cold boot attacks are not a common procedure for
data recovery.</p>
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      <trans-unit xml:space="preserve" id="18dcbc384ca36d01" weblate-flags="no-wrap">
        <source><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>
</source>
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        <source>&lt;/div&gt;
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        <source>&lt;div class="next"&gt;
</source>
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      <trans-unit xml:space="preserve" id="58957d65d43a1555" weblate-flags="no-wrap">
        <source><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>
</source>
        <target></target>
        <note from="developer">type: Plain text</note>
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