The tag has no wiki summary.

learn more… | top users | synonyms

3
votes
1answer
547 views

Is data-remanence a concern in RAM?

I know data-remanence is a concern on hard drives, but is it a concern on RAM? For example, once a program completes, is its data still available on RAM, just as data on a hard drive remains after ...
61
votes
10answers
8k views
+50

Would it be good secure programming practice to overwrite a “sensitive” variable before deleting it?

Is it good secure programming practice to overwrite sensitive data stored in a variable before it is deleted (or goes out of scope)? My thought is that it would prevent a hacker from being able to ...
0
votes
1answer
186 views

Does microwaving a CD erase it?

I just read the question: Does microwaving a hard drive erase it? and now I am curious too... does microwaving a CD (or for that matter, DVD, or blu-ray) erase it? My initial thought is that some ...
33
votes
1answer
4k views

Does WinRAR leave traces of temporarily extracted files?

If I have an encrypted RAR file which will only open using a password, and I opened a file directly from within WinRAR by double clicking the file inside WinRAR, I assume that WinRAR will create a ...
4
votes
2answers
83 views

What are the benefits of having multiple overwriting patterns for secure deletion? [duplicate]

When installing a new AIX server, there is a possibility to use several patterns for secure deletion. My question: Is it necessary to use several patterns? What is the benefit from having several ...
11
votes
2answers
570 views

Ensure data doesn't linger after being deleted

I'm trying to make a service that keeps as little data on its users as possible. To that end, I want to make sure that someone using forensic tools won't gain any more information than I would by ...
4
votes
6answers
4k 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 ...
8
votes
2answers
1k views

Is Data Remanence a Myth? [duplicate]

Possible Duplicate: Why is writing zeros (or random data) over a hard drive multiple times better than just doing it once? Multiple overwrites have often been discussed as a secure way of ...