Disk encryption is a special case of data at rest protection when the storage media is a sector-addressable device (e.g., a hard disk).

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What does “8.11 Encrypt or sign files into an archive” do?

I am going through the GnuPG manual and I want to encrypt a folder which, if my laptop was taken by anyone else, noone would be able to get access to for any of my information. This man page gives me ...
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Whole disk encryption on a tablet (that has no pre-boot keyboard) [closed]

I am researching methods to encrypt whole disk on tablet. I would like to encrypt my tablet that comes with Dual Boot OS, with pre-installed Windows 10 Home and Android 5.1. Let's start with what ...
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Disk Encryption - Extended Boot Record protection

I posted something like this on SuperUser some months ago, but thought I'd try the security focused site. Anyway, I am working on a Disk Encryption project using OPAL drives. The OS is Linux, and is ...
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Breaching security of a notebook with full disc encryption when screen is locked

I am using full disc encryption on my portable computer (running Ubuntu). The setup requires me to enter a password during the boot sequence to access fully encrypted hard drive. There is no ...
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2answers
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What is the most “out-of-the-box” secure OS for a home user? [closed]

This question will encompass several topics and may also include user opinion. Here is the question, and how I want you to qualify it: Question: What is the most "out-of-the-box" secure OS for a ...
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1answer
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LUKS TPM disk encryption attacks

Is it possible, or are there any known attacks, to get the encryption key for disk encryption tpm-luks? (Linux LUKS using encryption key stored in TPM) I know that there are attacks like cold boot ...
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3answers
279 views

My Samsung SSD password is case insensitive, how does this affect Full Disk Encryption?

I have a Samsung Evo 850 SSD, the 500GB model and it's supposed to benefit from Full Disk Encryption (FDE). Once you set a HDD password in the BIOS the FDE is supposed to kick in. However, I was ...
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1answer
187 views

Explanation of the XTS Encryption Mode

I've found many information about operation modes such as ECB, CBC, CTR, OFB and CFB. These modes are described precisely, but I'm not able to find information about XTS. The Wiki article is the only ...
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3answers
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Are there risks associated with a strong password reuse for disk encryption?

I understand the risks of password reuse when we share the password with 3rd parties as perfectly discussed under this question: Is password reuse a problem if the password is very strong? However I ...
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0answers
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Securely encrypt drive, able to be decrypted independently of the OS [closed]

I need a software to encrypt drives like USB pens, disc drives, ... to securely store the data. But most of the software I've found to encrypt and decrypt drives is OS dependent. For example Windows ...
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1answer
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Overwriting disk with random data vs. encrypted zeros

Most disk encryption guides recommend to overwrite the disk with random data before encryption, this is discussed here. However the time this takes with the "standard" source of random data can be ...
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1answer
829 views

I want to encrypt my SSD, should I still use TrueCrypt or Is there a better open source alternative? [duplicate]

Before anything I have say that I have no experience with cryptography, at all. Anyway, I have a laptop with Windows 10 and an SSD. I don't want to use BitLocker since I don't trust Microsoft in this ...
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0answers
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2mb of unallocated space on encrypted external HDD

I recently set up my new computer with Truecrypt's system encryption and for storage I added two external 2TB drives. Those are initialized as MBR-drives on which I created one partition hosted ...
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1answer
176 views

Locking Linux system to work on certain hardware only

Is there a way of locking a Linux system to work with a specific (pre-defined) hardware only? I am developing a commercial product and want to make it a bit harder for someone to clone the whole ...
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1answer
170 views

How to wipe disks before encryption with dm-crypt if CBC or XTS is used internally?

First, please forgive me if I'm posting this question to the wrong community. Feel free to migrate this post to the right community if I was wrong. I'm quite new to whole disk encryption (but not ...
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1answer
73 views

When using FDE, is there any OS/software allowing to get back from hibernation without requiring the disk encryption key?

This question is a spin-off the following one: Are encryption keys wiped from RAM before hibernate, or how to do it (Luks and Truecrypt). In this question, an answer quoted the following message (the ...
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1answer
435 views

Are encryption keys wiped from RAM before hibernate, or how to do it (Luks and Truecrypt)

Using Linux, I have system and swap/hibernation partitions encrypted with LUKS, and data partitions encrypted with Truecrypt, and I am wondering when I put my laptop to hibernation if the encryption ...
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4answers
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Can the FBI or government agencies decrypt my hardrive and/or force me to give them the password?

I have seen other TrueCrypt questions as well "Windows encryption with BitLocker" and "Mac OSX encryption with FileVault". Does the FBI/NSA or other government agencies have access to my data or can ...
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0answers
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Is stacking encryption a good idea for a file system?

Somewhat related to a previous question, is stacking encryption under and via file systems a good idea? For example, dm-crypt for the device, and then eCryptfs or veracrypt for the file system. If ...
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4answers
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Can data be forensically retrieved off an encrypted hard drive?

If a hard drive is encrypted, is it still possible to retrieve data off of it? What about if the password to decrypt it is known? If this is the case, given that OSX now encrypts your drive by ...
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1answer
83 views

How to reset (as it resets when pushed button on computer case) or immediately turn off PC (as if unplugged from power grid) from Windows?

I want to immediately reset (as it resets when I push reset button on computer case) or immediately turn off PC (as if unplugged from power grid) but with some method inside Windows. Maybe I can kill ...
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2answers
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What are the advantages in using LUKS + hardware encryption on SSD?

I can't see what the advantages might be, but I think this would slow data transfer down while providing no extra protection. Am I right or am I overlooking something?
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A Solution for Block/File Encryption that is Corruption Resilient? [closed]

Question: What encryption features/(configuration options) are implemented that mitigate issues with device/block corruption? For example, if the external hard-drive gets dropped, the damaged ...
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1answer
184 views

Android disk encryption

When is the data on an Android phone encrypted? I am assuming here that the device is configured to have full disk encryption enabled. Is it only encrypted when the device is powered off and ...
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Windows Phone 8.1 Forensic Artifacts

I cannot find any potential tool or technique to do windows phone 8.1 forensics after lot of searching. I tried to make the image (.dd) of windows phone 8.1 with Linux commands but it fails, ...
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2answers
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Is storing encrypted data in a database futile?

The way I see it: there are two ways to encrypt data for a web app. 1) Store a single encryption key on the server, and use it to encrypt / decrypt data at runtime. The obvious issue here is that if ...
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1answer
371 views

Is FileVault 2 HIPAA compliant?

It looks to me like FileVault 2 uses AES 256 bit encryption for the desk. Does that mean that it meets the HIPAA "data at rest" standard? Is there something else I need to check about it?
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UEFI and security implications for encryption

After my old PC kicked the bucket I now own my first UEFI board and I am already having trust issues. I utilized Truecrypt's system encryption for years now and really got used to it. My new board has ...
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1answer
114 views

Attacks on encrypted computer?

I think we all know the fact that boot-harddrives can be encrypted. Windows usually uses Bitlocker (relying on AES-CBC) and Linux / Unix usually uses dm-crypt (relying on AES-CBC) and the rest of the ...
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222 views

Storing encrypted information in database vs partition encryption

Trying to search for answers like Database encryption or filesystem encryption? but did not found what I need. My database contains confidential information. What is better? To store encrypted ...
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218 views

Android wear, Tizen Encryption [closed]

Does Android Wear or Tizen for wearables offer hardware encryption? I have the Samsung Galaxy Gear S and I don't see an option, but was curious if it does it without any user intervention. I don't ...
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Can BTRFS provide authentication on an encrypted disk?

One of the problems of disk encryption is providing authentication. An attacker with access to the ciphertext can modify the ciphertext at will without consequence. Given, this isn't a likely attack, ...
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Server full disk encryption protection from malware

A group of LINUX servers is using dm-crypt to encrypt data. The servers do not store data long-term but are only temporary stopping points for data before it is sent to other systems. The time the ...
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2answers
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When do shared disks “leak” data to other VMs, and how is that mitigated?

Inspired by this answer, I would like to know what are some common threats and mitigation techniques used to prevent one VM from leaking data to another via the shared storage infrastructure. ...
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9answers
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Is full disk encryption on a server in a secure data center pointless?

I am having a debate with several people regarding how much protection full disk encryption provides. dm-crypt is being used to encrypt data which is required by my company to be encrypted at rest. ...
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1answer
265 views

What is susceptible to Kon Boot hack tool?

I just learned about Kon Boot (from this YouTube video) and am wondering, how is such a hack tool guarded against? In the video the presenter claimed he had full disk encryption but was still able to ...
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3answers
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Completely encrypting virtual machine (for free) [closed]

I know in VMware workstation there's the option to encrypt a virtual machine. Is there a free way to do this without VMware workstation? I'm aiming for the fullest encryption and encapsulation ...
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1answer
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Is there a full disk encyption software that shows different content depending on what password has beeen used? [closed]

I'm searching for a 256-bit full disk encryption software that allows me to access different content on the same disk with different passwords. Like: Password A opens partition 1, password B opens ...
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Finding Audit Reports and Results for Whole Disk Encryption Solutions

Due to TrueCrypt being pulled from the web even though it's been audited, I was asked to compare the audit of TrueCrypt against audits and information available for other products that do whole disk ...
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2answers
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Can I add a new user to an unencrypted Windows installation from a Windows installation disk?

I recall hearing this before, the ability to boot up a Windows PC with an unencrypted hard drive using an installation disk/usb, and use the command line utility on the Windows installation disk to ...
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10answers
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Prevention measures against laptop seizure at US borders

Since laptop and other electronic device seizures at US borders became legal without a warrant (including making copies of data), 7% of ACTE's business travelers reported being subject to a seizure as ...
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Are there any problems associated with using the same encryption key for multiple systems?

I have multiple computers, tablets, etc. If I have a very secure key, is there any problem with using it to encrypt all of my systems? I can remember 1 or 2 secure keys without writing them down. But ...
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3answers
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Linux Plausibly Deniable File System

Is there any way to encrypt a linux filesystem in such a way to maintain plausible deniability? E.g. "Hidden OS support," the way Truecrypt and Veracrypt work, they only support Windows OS due to low ...
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2answers
211 views

How to handle disk encryption for remote connection?

I have at my workstation, an ubuntu 14.04 installation with full disk encryption. I now have to travel frequently for days and am planning to ssh into this machine from my chromebook to work remotely. ...
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1answer
226 views

Disk level encryption + compression performance?

What are pros and cons for using disk level encryption like VeraCrypt and then turning on compression on mounted (virtually decrypted) drive? It seams to me that this can even increase some ...
2
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1answer
267 views

Hashing algorithm for cryptsetup

I will encrypt my SSD using cryptsetup and I would like to know which hashing algprithm to use. First of all, cryptsetup benchmark: PBKDF2-sha256 262144 iterations per second PBKDF2-sha512 ...
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4answers
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Securing Data at Rest in Android

Here's a situation. I am the author of an app that allows my customers to stream videos on their local android device. I also allow them to download the video and store it locally on their android ...
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2answers
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Full Disk Encryption, Single User System: User/Root Passwords required?

Are there any security issues of having no (or weak) passwords for user and root account on a single user system with full disk encryption (except boot partition)? Assuming no SSH server is running, ...
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Is AES 256 secure enough for putting Backups to AWS or Dropbox?

How long would it take with current hardware to hack an Disk Image which was encrypted with AES 256? I ask because i want to backup personal files (contracts, tax-things, code, keys, private ...
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What options exist for authenticated full-disk encryption?

Title says it all really. I'm toying with the idea of storing some disk images in "the cloud", but am concerned about the possibility of an attacker manipulating cipertext to do evil things once it's ...