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Questions tagged [secure-delete]

The tag has no usage guidance.

0
votes
1answer
139 views

Can I safely trim /var/tmp/phd/log/daemons.log?

I have a server running Phabricator and this log file has no logrotate. It is getting too big and now I need to trim it. Can I safely remove some of its content?
92
votes
17answers
38k views

Does drilling a hole into a hard drive suffice to make its data unrecoverable?

We have a lot of PCs in the company and nobody wants to wipe a multitude of hard drives. We also have many apprentice toolmakers who really want to destroy things. Thus, every couple of months, our ...
1
vote
0answers
396 views

When will deleted data be permanently gone from Heroku postgres continuous backups?

According to Heroku Postgres Data Safety and Continuous Protection data is backed up continuously into Amazon S3 buckets. If I delete a bunch of rows, for example, all confidential data from 1 ...
15
votes
4answers
3k views

Wipe is very slow. Too little entropy?

I have to hand off a Laptop including its hard disc. Since it was not encrypted I wanted to wipe it at least quickly. I know this is not optimal on SSD, but I thought better than just plain readable. ...
12
votes
3answers
3k views

Potential pitfalls associated with securely deleting SSD disks

I need to decommission two SSD disks from one of my Linux hosted servers. In order to safely delete data stored in the disks I was planning to use: hdparm --security-erase. I read this document and ...
1
vote
1answer
639 views

Is the shred utility always safe given a good random number generator?

I recently experimented with different methods of disk randomization to find what would get the job done fastest. The openssl random number generator with AES in counter mode was said to be pretty ...
1
vote
4answers
1k views

Shredding data on a live server

Which is the best way to shred all data from a live dedicated server? I have no physical access nor any out of band remote management functionality to the server, only SSH access. Server is running ...
22
votes
3answers
6k views

Securely wipe an entire Linux server with itself

I have remote ssh access and root access. I do not have physical access. I'm not looking for solutions involving booting into anything, I want to do this from what is currently running. OS is SL6. ...
2
votes
2answers
4k views

Does there exist a bootable USB key with shred? [closed]

Does anyone know if there exist a bootable USB key with shred that detects all harddrives and shreds them automatically? It would be great if it had a config file, where I could set the shred value ...
2
votes
1answer
265 views

How do I wipe a Sun Santricity SAN Array

I need to wipe all data from an out of support SUN Santricity array before we send it to EMC for a trade in. (Yes EMC is took our SUN in part for a CX-480) Does anyone have advice on how to wipe ...
1
vote
2answers
320 views

Any way to completely remove sensitive content from the HDD before returning CentOS dedicated servers?

We are going to return a few rented CentOS dedicated servers and I was wondering about any way to remove sensitive content (a few folders) from the HDD before returning these servers? Maybe some ...
3
votes
3answers
1k views

Disk wipe preferences

I manage a pool of systems that are loaded with software and sent to potential customers for evaluations which often land sensitive information on the drives. Before shipping them back, they typically ...
9
votes
3answers
7k views

Secure Delete on SSD

Will a "traditional" secure delete utility that overwrites physical sectors on a magnetic HDD work on an SSD, or will the SSD simply "remap" the sector to avoid the expensive delete operation and ...
2
votes
7answers
2k views

Tools to wipe a hard disk [duplicate]

Possible Duplicate: Deep Format of a Harddrive on a Linux System Do you know tools (linux live cds, bootable dos tools ) to wipe hard drives ?
16
votes
8answers
6k views

Securely wipe a headless remote linux server

I'm about to terminate my relationship with my hosting provider of many years, but I'd like to securely wipe the box before I do. This is a dedicated server running Debian on a single EXT3 drive and ...
6
votes
7answers
15k views

Why does everybody recommend Dban over more fundamental methods?

When people ask on how to wipe a drive, it almost seems as if the default answer is DBAN and I am not really sure why. Especially when doing commands like dd if=/dev/zero of=/dev/sda dd if=/dev/...
2
votes
5answers
590 views

Secure disk wiping tool for Windows

I need to securely wipe a drive from within Windows 7 and can't find a good tool to do so. Eraser doesn't seem to have a setting to wipe a whole drive, DBAN requires not being in Windows. Over in UNIX ...
1
vote
7answers
8k views

Wipe out hard drive on HP box using DBAN from CD?

I need to create CD for wipping out hard drives before boxes are decomitioned. Considering to use DBAN: does it matter that the boxes are running HP Unix? Will this effect anything? is there a ...
-1
votes
1answer
675 views

Make sure I have overwritten every bit with dcfldd

I am using dcfldd to wipe a drive and lear forensics. I don't really want to have to deal with the math of the blocks and sectors, and just want dd or dcfldd to write over every possible bit on the ...
3
votes
6answers
6k views

Write random data to random sectors of Hard Drive

I have a hard drive that went bad and before I send it for RMA I want to wipe as much as possible from it. I tried using windows utilities and also did dd of /dev/random. The problem is I can't wait ...
3
votes
3answers
2k views

Remotely Deleting/Wiping a Laptop

A client of mine wants to be able to remotely wipe employees company laptops upon termination. Does anybody know a good way of going about that? I know Lojack for laptops has this capability...
5
votes
5answers
3k views

Deep Format of a Harddrive on a Linux System

I've got an original Asus Eee PC Netbook that I'd like to sell. When I've sold old computers in the past, I've typically done a deep/secure/zeroing out style format. How can I do this on a Linux ...
5
votes
16answers
5k views

What are some free utilities for securely wiping data from a floppy disk? [closed]

I have a stack of old floppy disks in my server room and before disposing or donating them, I want to make sure they are cleaned. Can anyone suggest some free utilities (Windows or Linux) for securely ...
5
votes
5answers
818 views

WipeDrive Utility?

What is the best and fastest wipe drive (zero fill) utility that can be burned to a CD?