Collaborate Disseminate
I want to sell my old 4TB Hard Drive.
Of course I want no one to steal my data.
Overwriting the whole drive with zeros with dd if=/dev/zero of=/dev/sda would take about 18h.
But I cannot reboot my PC for 18 hours because I think dd always … Continue reading Wiping a hard large hard drive efficiently but securely step by step
After running cipher.exe on my entire C: drive, I’m still able to recover deleted files using recuva. In fact, doing a before and after, I see no discernible difference in the files that are able to be recovered after using cipher.
Accordi… Continue reading Still able to recover files after running cipher.exe on windows 7
With old HDD to secure delete a file you need to use Gutmann standard, but with new HDD you can use only 1 pass overwrite
I’m not sure what hard drives mobile phones use and don’t know how many passes will be okay for secure deleting files… Continue reading How to secure file delete/wipe on mobile phones?
A hypothetical 1GB USB stick is full of sensitive documents/images/etc. and it is not encrypted.
The owner wishes to discard it and is aware of having to safely erase it first.
There are several tools and utilities to do this. Some can be … Continue reading Using an example to comprehend why “safely” erasing a drive yields better results than filling it up with meaningless data
As the title suggests what’s the best way to permanently delete data from an iPhone.
I know when you delete something, it’s not really deleted, but merely marked as ‘free space’.
So how, on an iPhone, can you make sure it’s gone for good s… Continue reading What’s the best way to permanently delete data from your iPhone?
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?
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
I’ve been experimenting with the latest Parted Magic Secure Erase to wipe HDDs and SSDs. After the Secure Erase completes, I noticed in the logs that the verification level is 10%. Excerpt from the log:
WDC_WD5000AZLX-00JKKA0 (/dev/s… Continue reading Parted Magic Secure Erase Verification Level
Is it possible to delete all traces and files on a mac, so no one can recover files and there will be no traces at all for this files or any activity?
Continue reading Is it possible to delete all traces and files on a mac? [duplicate]
I have been getting paranoid lately and decided to ask for your insight on this issue. A year ago, I took photos of some personal information (cc, passport, etc), and deleted them a month later, along with some videos that reveal my face a… Continue reading Can the photos/videos I deleted a year ago can still be on my iPhone or on the Internet?