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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.
 
05/27/2024
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The “wiki/src/doc/advanced_topics/cold_boot_attacks.id.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>
 
02/27/2024
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<div class="next">
 
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</div>
 
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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>
 
02/27/2024
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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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<div class="attack">
 
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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.
 
02/27/2024
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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.
Bahkan, seorang penyerang dengan akses fisik ke komputer *ketika Tails sedang berjalan* dapat memulihkan data dari RAM juda. Untuk mencegah hal tersebut, pelajari beberapa metode berbeda untuk [[menutup Tails|doc/first_steps/shutdown]] dengan cepat.
01/04/2020
Caesar

Suggestion added
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.
Saat menggunakan komputer, semua data yang dimanipulasi ditulis untuk sementara di [[!wikipedia Random-access_memory desc="RAM"]]: teks, file yang disimpan, tetapi juga kata sandi dan kunci enkripsi. Semakin baru aktifitasnya, semakin besar kemungkinan data tersebut untuk tetap ada di RAM.
01/04/2020
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[[!meta title="Protection against cold boot attacks"]]
[[!meta title="Perlindungan terhadap serangan cold boot"]]
01/04/2020
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The “wiki/src/doc/advanced_topics/cold_boot_attacks.id.po” file was changed. 04/12/2019

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