Character frequency graph for cipher text
I have studied about the mono-alphabetic substitution cipher. With Character frequency graph, the encrypted text can be decoded. I am wondering how can be happen?
Category Archives: data recovery
How long do you need to power an ssd up for to maintain the data on it, and is it the OS or the drive that maintains it? [migrated]
So I have an Samsung 240gb 840 EVO that I upgraded to an 500gb 860 EVO, I want to keep the old one as a backup (So i can swap it back in if the new one fails (it is the Operating system drive)). I am a bit late to this as I actually repla… Continue reading How long do you need to power an ssd up for to maintain the data on it, and is it the OS or the drive that maintains it? [migrated]
Mnemonic Seed Phrase Generation For Private Key Truncation
The below code block is capable of generating a mnemonic seed phrase. If I want to generate a mnemonic seed for a private key, is it then correctly understood that I should input the private key as entropy factor, and how can I reverse eng… Continue reading Mnemonic Seed Phrase Generation For Private Key Truncation
Recycle Bin delete logging
Can someone please explain why $I (Index) files are getting deleted when recycle bin is emptied.
When I delete files they go into recycle bin and depending on the drive say C:, the location of the file is C:$Recycle.Bin\X-X-X-XX-XXXXXXXXXX… Continue reading Recycle Bin delete logging
Can deleted snapchat messages be recovered? [closed]
If there are chats that have been deleted, is there a way to recover these with any recovery tools, or are they gone forever?
Continue reading Can deleted snapchat messages be recovered? [closed]
At what point is deleted data irrecoverable?
From reading around on the internet I get the impression that barring physical damage, deleted data can be always be recovered using sophisticated digital forensics.
For this reason the advice is that you should encrypt your data.
So at … Continue reading At what point is deleted data irrecoverable?
Questions on Android data recovery?
I’ve been looking around alot and cant seem to find a basic clear answer. My understanding is if i delete photo001.jpg this deletes the index and assigns it to the free space to be overwritten. So this brings me onto my next scenarios.
How to verify secure erasure of Android and Apple mobile devices
I’m aware of how to securely sanitise and verify the sanitisation of data from both HDDs and SSDs, but mobile phones complicate this due to being there a lot of proprietary layers standing between the storage hardware and the interface.
… Continue reading How to verify secure erasure of Android and Apple mobile devices
Recovering and Replaying Garmin Voice Instructions
Wait a minute monkey, did you say Carmen or Garmin?We had a damaged Garmin nuvi 56LM GPS unit from which we recovered a text file containing a voice log.It was a bit of an unusual process so we thought it might be interesting to share the story.As a re… Continue reading Recovering and Replaying Garmin Voice Instructions
Is it possible to recover data from a Western Digital TRIM supporting disks (not SSD) after quick format?
I have a western digital blue disk, which is one of the SMR variations. I’ve heard that they support TRIM command. The disk is accidentally quick formatted on Windows 10, and now seems to be all zero. But, I’m wondering, for a disk it woul… Continue reading Is it possible to recover data from a Western Digital TRIM supporting disks (not SSD) after quick format?