For questions generally relating to recovery of "plain" data from digital storage, when that storage has been damaged or the credentials securing it are lost.

learn more… | top users | synonyms

47
votes
6answers
8k views

Can RAM retain data after removal?

Is it possible for RAM to retain any data after power is removed? I don't mean within a few minutes such as cold boot Attacks but rather 24 hours plus. Working with classified systems the policy ...
9
votes
1answer
848 views

Reversible, recoverable user data encryption scheme

From this earlier question, I have a general need to obfuscate a set of third-party credentials stored in a user account, which are then used in an internal Winforms software client. The scheme from ...
5
votes
6answers
6k views

Overwriting hard drive to securely delete a file?

I am working on a computer that I am not allowed to install new software on. It does not have secure delete software installed. Suppose I have a file (or files) that are sensitive that I'd like to ...
3
votes
4answers
889 views

How to detect self destructing emails? How to prevent from self destruction?

Recently I came across a gmail extension for Chrome browsers which claims to send self destructive emails. I tested by sending self destructive emails to my email account and it works fine Now my ...
2
votes
2answers
1k views

Use truecrypt to make data unrecoverable

If I format all my drivers c,d,e,f and then make a truecrypt volumes equal to drive size then delete it 'the voulme' will that make the old data unrecoverable ex. d:= 30g i use truecrypt to make 30g ...
9
votes
4answers
4k views

How does forensic software detect deleted files

How does forensic software detect deleted files? When a file is deleted, the pointer from MFT in NTFS system is deleted and the file is no longer accessible from the OS. If our disk is fragmented how ...
7
votes
1answer
199 views

What's the best duration for storing e-mail? [closed]

We’ve all become so accustomed to using email in our daily personal and working lives that we really don’t give a whole lot of thought to it. It’s the fastest way to communicate with others in the ...
5
votes
2answers
1k views

How to securely encrypt data with a public-private key encryption scheme, but also allow decryption if the private key is lost?

This question is a followup question to Storing plaintext passwords for cameras - Security concerns?. In that question, I posed what I thought was a simple question, which actually turned out to ...
1
vote
3answers
447 views

Environmentally friendly ways to destroy hard drives

The best method to prevent others from reading the data on hard drives is to destroy the drives physically: a sledgehammer is a cheap and effective tool to prevent the data from being read again. ...