Category Archives: file system

ecryptfs: What would happen if we entered the wrong passphrase and continued like that? Can we prevent encryptfs from accepting a wrong passphrase?

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Using ecryptfs, a fine file-system encryption mechanism on Linux.
After the filesystem is setup with ecryptfs (ecryptfs is an overlay of the actual filesystem, like ext4. Files and directories name and content are encrypted ; names are ASC… Continue reading ecryptfs: What would happen if we entered the wrong passphrase and continued like that? Can we prevent encryptfs from accepting a wrong passphrase?→

How to obtain a lost version of an edited notepad [.txt] file on a Windows 10 hard drive using a SATA SSD to USB dongle [migrated]

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About 1 year ago I had saved some code on a notepad text file (.txt) I was building using a Windows 10 computer. However, I deleted a portion of the code and saved the text file with a new c++ code patch thinking it was no big deal. Howeve… Continue reading How to obtain a lost version of an edited notepad [.txt] file on a Windows 10 hard drive using a SATA SSD to USB dongle [migrated]→

How to obtain a lost version of an edited notepad [.txt] file on a Windows 10 hard drive using a SATA SSD to USB dongle [migrated]

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About 1 year ago I had saved some code on a notepad text file (.txt) I was building using a Windows 10 computer. However, I deleted a portion of the code and saved the text file with a new c++ code patch thinking it was no big deal. Howeve… Continue reading How to obtain a lost version of an edited notepad [.txt] file on a Windows 10 hard drive using a SATA SSD to USB dongle [migrated]→

Can I upload files to a certain website to see exactly what code they contain and what they do (heuristics)?

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I want to upload files somewhere to see exactly what their behaviour is, but I’m not sure how. One of them is an EFI file. Does anyone know some website or method, like on a virtual machine, to check what they do?

Continue reading Can I upload files to a certain website to see exactly what code they contain and what they do (heuristics)?→

What are the security risks of storing sensitive documents on your android devices’s external storage?

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Documents such as driving license, financial statements etc. with a lot of PII, how big is the risk of storing such type of documents on the shared external storage on android?
Assumptions:

Android device is encrypted but the individual f… Continue reading What are the security risks of storing sensitive documents on your android devices’s external storage?→

Rename file by Ransomware- Does anyone know what is ment by this? [closed]

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Does anyone understand what the author means which this (please see the screenshot below).
This is a link to the paper, it’s on page 19 (page 28 if you count all pages):
https://pure.tue.nl/ws/portalfiles/portal/72275825/738228_Mulders_D.A… Continue reading Rename file by Ransomware- Does anyone know what is ment by this? [closed]→