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1vote
1answer
472views

Why does some Ransomware encrypt also the file header and trailer?

Some time ago I read an article that mentioned that it is possible for some ransomware to change the magic numbers of a file (that makes sense). However, the authors claimed that their method was ...
Moooz's user avatar
14votes
3answers
16kviews

How long should zip encryption password be for it take 10 years to crack?

I am using zip 3.0.0 on macOS High Sierra and Ubuntu. Here is my zip version on macOS: $ zip --version | head Copyright (c) 1990-2008 Info-ZIP - Type 'zip "-L"' for software license. This is ...
Lone Learner's user avatar
3votes
1answer
991views

Are encrypted files safe in Windows 10 when using PINs?

In Secrets and Lies, Bruce Schneier writes: Many keys are generated from passwords or passphrases. A system that accepts 10-character ASCII passwords might require 80 bits to represent, but has ...
Arseni Mourzenko's user avatar

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