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Cross-Platform Hash Comparison to Detect Ransomware - Backup Software Hole?
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<blockquote data-quote="raywood" data-source="post: 978209" data-attributes="member: 94488"><p>The comparison against hashes from the Linux system seems to address your first point.</p><p></p><p>What issue do you see with BitLocker - or, in my case, VeraCrypt? Hashing seems to work OK on both systems.</p><p></p><p>The comparison narrows down the vast pool of files to the few that have changed. My spreadsheet can sort those by folder, filename, and last modified date. So far, those criteria have enabled me to dismiss the vast majority of discrepancies between the Windows and Linux lists within a minute or so. Getting to that point takes longer. I haven't timed it exactly, but I think maybe 20 minutes. So there's no problem with allowing files to change.</p><p></p><p>I'm hoping Bitdefender will catch ransomware as you say. The reports I encountered seemed to indicate that the ransomware writers were pretty good at avoiding ransomware protection software.</p></blockquote><p></p>
[QUOTE="raywood, post: 978209, member: 94488"] The comparison against hashes from the Linux system seems to address your first point. What issue do you see with BitLocker - or, in my case, VeraCrypt? Hashing seems to work OK on both systems. The comparison narrows down the vast pool of files to the few that have changed. My spreadsheet can sort those by folder, filename, and last modified date. So far, those criteria have enabled me to dismiss the vast majority of discrepancies between the Windows and Linux lists within a minute or so. Getting to that point takes longer. I haven't timed it exactly, but I think maybe 20 minutes. So there's no problem with allowing files to change. I'm hoping Bitdefender will catch ransomware as you say. The reports I encountered seemed to indicate that the ransomware writers were pretty good at avoiding ransomware protection software. [/QUOTE]
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