Questions tagged [ssd]

A solid-state drive (SSD, also known as a solid-state disk although it contains neither an actual disk nor a drive motor to spin a disk) is a solid-state storage device that uses integrated circuit assemblies as memory to store data persistently.

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88
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1answer
18k views

Wiping an SSD with Parted Magic seemed too quick

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 ...
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5answers
5k views

Does the destruction of sensitive information limit the choice of hard drives to non-flash based devices?

Working with a non-profit organization,it's common to reuse hard drives that have previously stored highly sensitive information such as medical and financial records. This is primarily driven by cost-...
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2answers
21k views

How secure is hardware Full disk encryption (FDE) for SSD's

Is there any research as to how secure hardware encryption of SSD's is - for example Samsung EVO 850? Or at least any articles that explain how it works?
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3answers
6k views

Is there a real-world example of SSD data recovery?

Secure data deletion is known to be more complicated and elusive on a solid-state drive than for a regular hard drive. For instance, the logical block mapping on the SSD's flash translation layer ...
10
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3answers
4k views

How to erase as much as possible an SSD without ATA Secure Erase?

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 ...
9
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2answers
2k views

Using FileVault on a Mac with existing data

I have recently got a Mac which I have started using already without any encryption while looking for the best solution. I have come to the conclusion that using Mac's own file encryption technology ...
7
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1answer
2k views

Is GNU shred relevant for SSDs?

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 ...
6
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2answers
1k views

Is it possible to take an image of the firmware of HDD and SSD?

I suspect that both my HDD and SSD may be infected. Is it possible to take an image of the firmware? How do I go about doing it?
6
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1answer
4k views

Does the ATA Trim command irrecoverably delete data on an SSD?

I occasionally see people reference the difficulty of deleting data from an Solid State Disk. Because of the nature of SSDs (wear leveling, etc), simply writing to the same sector of the disk doesn't ...
5
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2answers
1k views

How does full disk encryption cater for overprovisoned disk space in flash devices and can this result in data leakage?

My understanding is that flash based devices such as SSDs are over-provisioned and do not advertise the additional blocks of storage available to the operating system. The over-provisioned blocks of ...
4
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1answer
588 views

Password managers and SSD wear and tear

I've been looking at this topic for a long time, and am still paranoid about this. I have an 1 TB SSD with Ubuntu 16.04 on it. From what I have read, using disk encryption is bad for an SSD due to ...
4
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1answer
1k views

How BIOS password stored internally?

Is password hashed before saving to CMOS? Which hash algorithm is used? How much storage is dedicated for passwords? What is about passwords of SSD with AES? Does BIOS save it inside drive (just ...
4
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1answer
252 views

Does formatting an SSD securely delete all data?

This article on thomas-krenn.com states: Because an ATA trim will be performed by NTFS with Windows 7 or when formatting using Ext4 from mke2fs 1.41.10 or XFS from xfsprogs 3.1.0, the secure erase ...
4
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1answer
248 views

Does full disk encryption offer mitigation in the case of the firmware of an SSD being compromised?

Suppose the firmware of an SSD or HDD has been compromised by rogue actors either through "interdiction" (interception) or via the internet. They are able to exfiltrate data and conduct surveillance ...
4
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2answers
751 views

Is it secure to wipe a file in a Virtualbox disk if the vbox disk file is on an ssd?

Preface I searched for an answer to my question and found related questions which do not cover my question completely. Like: On SSD deleting: Can Widped SSD Data be recovered How to securely delete ...
4
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2answers
947 views

How are SSDs different from HDDs from the privacy point of view? [duplicate]

How are SSDs different from HDDs from the privacy point of view? Is it easier or harder to recover traces of deleted and/or wiped (overwritten) files from an SSD than from a HDD?
4
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1answer
457 views

Best current methods for preventing data leakage from SSD

I'm wondering about the current best practices for ensuring data confidentiality on an SSD used as an OS boot drive (under Linux). Important considerations are: Ensures against data leakage in the ...
3
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2answers
151 views

ATA Secure Erase is too fast

I have two SSDs in my laptop. one is SATA 500GB and the other is M.2 SATA 250 GB. I used the following steps for both to securly erase them so that I can sell the laptop: unfreeze the drives: sudo ...
3
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1answer
612 views

Is SSD encryption useless on data already present?

The reason I ask this question, is that presumably when contents on an SSD are encrypted, the unencrypted data is overwritten with its encrypted version. This study tells us that overwritten data can ...
3
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1answer
2k views

SSD Erasure verification

I was hoping someone would be able to give some advise on what would be the best way to verify that an SSD has been erased completely. We are currently using Blancco v5 and even though it says it has ...
3
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4answers
4k views

How to physically destroy an SSD at home?

SSDs seem to be notoriously tricky to properly erase (see for example this question and answers here). An easier and potentially safer solution could be to physically destroy the SSD device. I am ...
3
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1answer
6k views

Veracrypt system encryption on SSD, do I have to trim the disk right after finishing? How?

I want to encrypt my OS that is on an SSD (Windows 7, x64, mbr partition style). From what I know Veracrypt will encrypt the whole disk, not only the actual data. Not only! it will "fill" the empty ...
3
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1answer
386 views

Enabling SED for SSD and data remanence

I have an SSD that can do self-encryption, but the encryption was not activated. The SSD has data on it, and now I want to enable the self-encryption functionality, preferably doing it in-place. I ...
3
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1answer
100 views

Data recovery from TRIMmed SSDs

Assuming a given SSD supports TRIM, and is on a physical bus that supports sending that command, and the connected computer is running an OS that is aware of TRIM: If the drive is formatted, or has ...
3
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1answer
580 views

Remove malicious rootkits and spyware from HDDs and SSDs

I have read at least twenty articles dating from the time Edward Snowden's startling revelations about rogue nations and bad actors embedding malicious rootkits and spyware in the firmware of hard ...
3
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1answer
357 views

Is scrubbing a ssd drive effective in situations where you can't use the trim command?

I have a luks encrypted external usb ssd drive (Samsung T3) which is unable to use the trim command. This leaves me to search for a different way to securely erase the free space inside the encrypted ...
2
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1answer
733 views

Integrity of an SSD forensic image

Is there any solution to validate the integrity of an SSD image? If I know well in case of SSD low level disk maintenance stuff such as wear leveling is performed inside the drive in order to ...
2
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1answer
161 views
2
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1answer
133 views

Secure erase partition only on SSD, not the whole thing

I have a 512 SSD which is partitioned into essentially two 256 areas. One for Windows, the other for Linux (Ubuntu). Neither is encrypted. I want to clean my system up, but am only concerned about the ...
2
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2answers
434 views

Is using video editing software to fill SSD with junk video secure?

I'm about to sell an old 128GB external SSD, and I've read various guides saying it's difficult to be sure that data is erased when using traditional zero-fills etc. I'm on Mac OSx, and I got the ...
2
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2answers
6k views

How do I verify that my FDE/SED Opal SSD is indeed encrypted

... preferably without having to remove the drive from the laptop? I'd like to explicitly test that data is indeed encrypted at rest on my SSD but can't think of a way; eg: even if boot my laptop off ...
2
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1answer
82 views

Check TRIM space on SSD

Is it possible to 'view' the space that TRIM would take care of to see if that space was really wiped? I am using both Windows and Linux.
2
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0answers
370 views

OPAL SSD full-disk encryption and key generation

So modern solid-state drives often support OPAL standard for full-disk encryption. If I understand correctly, it uses a user password to encrypt a key which is then in turn used to encrypt content of ...
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2answers
10k views

How to securely erase the free space on an SSD in windows 10?

I would like to wipe ALL free space on my SSD which Windows 10 is installed on, so that no previously deleted file can be recovered. How can I achieve this?
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3answers
1k views

If I switch to LUKS on an SSD, have I just wiped it?

I have been using an SSD with no system-level encryption. If I now switch to full disk encryption using LUKS + LVM, do I effectively wipe the old data, or is it still hanging around until overwritten?
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2answers
2k views

HDD password vs Bitlocker

I have a Samsung SSD 850 with an HDD password set. It seems from articles such as this and this that the data is fully encrypted, and requires the password to view. Is there any requirement or ...
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1answer
744 views

SSD Wipe to remove known & unknown malware [duplicate]

Does anyone know of a method to wipe a HDD that gives a high degree of confidence that any malware present will not persist when the OS is reinstalled? Using tools on Linux and/or Windows? We have ...
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2answers
802 views

Is wiping LUKS header needed?

So I previously had an encrypted install of Debian, and wanted to install a new distro with full system encryption again. Now I understand that you don't need to fill the disk with random data if you ...
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2answers
124 views

How can one encrypt a file and be sure the original file can not be recovered on a SSD?

Let's say that I have an unencrypted file and I'm trying to encrypt it and make sure the original file can not be recovered from my disk. If I, for example, create an archive, put the file into it and ...
1
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1answer
743 views

How does SSD with SED encrypt and decrypt data?

When you enter data and you want to save a file, the SED encrypts the data but where does the encryption process occur to be exact? Does SED encrypt data in memory before it gets to the disk? Or do ...
1
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2answers
1k views

SSD full disk encryption

What's the state of FDE with software such as TrueCrypt, VeraCrypt for SSD's - my main concern being that SSD's leave some free space to prolong the life of the drive - would it store unencrypted data ...
1
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1answer
237 views

Can file recovery tools recover deleted small files from SSD drive's NTFS Master File Table?

According to this page and site, small files are kept in Master File Table when filesystem is NTFS. Let's assume that computer is using Windows 10 and a SSD drive with TRIM support. If a user ...
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1answer
123 views

SSD erasure strategy for a secondhand laptop

I recently purchased a secondhand MacBook Air for work purposes; the laptop was shipped to me with a fresh install of OS X. I do not know the prior owner or what they used the laptop for, and thus I ...
1
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1answer
583 views

Safe erase of a Toshiba SSD with Absolute Secure Disk software

I have a SSD drive extracted from a crashed laptop which seems to be working, but it's got a Absolute Secure Disk sofware which asks for password when I try to boot from the drive or denies any access ...
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2answers
569 views

What parameters do I give cryptsetup?

I want to have an encrypted partition on my SSD. Benchmarks (a 100 samples of 100MiB each): Average read speeds: 418 MB/s Average write speeds: 386 MB/s # Tests are approximate using memory only (no ...
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1answer
47 views

Can M.2 docking stations be used to make forensic images of (Bitlocker encrypted) M.2 disks?

I am looking into M.2 docking stations such as the Maiwo K3016S as shown below. Is it possible to use such docking stations optionally in combination with a USB- or software write-blocker, in order ...
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0answers
41 views

What's the DRAT word of my SSD?

This article on forensicfocus.com says the following about Deterministic Read After TRIM (emphasis mine): As a result, the data returned by SSD drives supporting DRAT as opposed to DZAT can be all ...
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0answers
69 views

Secure deletion on Android

My understanding is if I delete photo001.jpg, this deletes the index and assigns it to the free space to be overwritten. So this brings me onto my next scenarios. If I have a device capable of 8gb ...
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0answers
260 views

Can SSD data be recovered through Forensic Explorer?

I am trying to recover deleted files from a SSD using Forensic Explorer. Once the image processing on the SSD had been completed using the write blocker, I opened up AccessData FTK Imager and then I ...
1
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1answer
672 views

Secure way to wipe an entire SSD? [duplicate]

I've read some articles and they appear to suggest the idea of using the dd command to wipe an entire SSD before encrypting it. The drive in question is a Samsung 970 EVO PCIe NVMe V-NAND M.2 2280 ...