Collaborate Disseminate
I have a rooted phone I’m willing to sell, but I had Personally Identifiable Information (PII) on it and I am questioning whether filling the internal storage with null bytes using dd would be sufficient to prevent data recovery by possibl… Continue reading Is filling the internal storage of an Android device using `dd` sufficient for data removal?
I had a card like a credit card that I used to use for work. It was an ID card, and it had an access code, a swiper, a barcode, my picture, my name, my rank, my license, the name of the company, and the address of the building where my com… Continue reading Shred, cut, melt, smash, grind, then flush, is it secure disposal of a security access id card?
I read "Data Remanence in Semiconductor Devices" by Peter Gutmann, in which it is stated that it is possible to reconstruct the content of an erased SRAM based on changes of properties of the memory cells (thresholds, times).
Doe… Continue reading Data remanence – DDR2
According to android documentation the FBE system has two different levels. Credential Encrypted (CE) storage and Device Encrypted (DE) storage.
Does a factory reset of an FBE phone reset the keys of both storages?
If I run a full disk en… Continue reading Android FBE securely wipe all data
When running the command hdparm -I /dev/sda the following output is generated.
ATA device, with non-removable media
Model Number: WDC WD10JPVX-75JC3T0
Serial Number: WX51A9324970
Firm… Continue reading Should a secure ATA erase be performed on a non-SSD drive?
Normally when you wipe a drive there are still ghost remains of the data even after overwriting the disk multiple times. So I was wondering if you could encrypt the drive and then overwrite the encrypted data, would it be pos… Continue reading Is corrupting the ciphertext corruption a good erasure?
The Gutmann method, which apparently is used by GNU shred, has appeared in 1996, which focused on finding random 5 to 31 patterns and taking into account particular magnetic encoding. Considering that now we have SSDs, I’m guessing that G… Continue reading Is GNU shred relevant for SSDs?
I’m selling a computer with an SSD (it’s a Lenovo ThinkPad Carbon X1). I wiped the drive using Parted Magic. I used the ATA method. I’m not sure what that is but it was the only setting available. It said it would take two minutes but the … Continue reading Wiping an SSD with Parted Magic seemed too quick
This software for wipe devices of storage:
Active@Kill Disk – Hard Drive Eraser.
Eraser.
Shredit for Windows.
Disk Wipe.
Darik’s Boot and Nuke (DBAN).
I wonder if this software is able to use for HDD,SSD,USB,SD
if this software doesn’… Continue reading Wipe data from many storage devices
The question is almost completely answered. However, more details are still needed. See Update 2 down here.
I’ve learnt that the ATA Secure Erase is uncorrectly implemented in SSDs (sources are down here), but I’m still willing to find a … Continue reading How to erase as much as possible an SSD without ATA Secure Erase?