Disk encryption is the process by which every bit of data on a disk is encrypted, protecting it against unauthorized persons.

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Changing System Drive from GPT to MBR

I currently have an Acer Laptop running Windows 10. My system drive currently has a GUID Partition Table (GPT) but I want to convert it to MBR Partition Table. Doing this wont be a problem as I found ...
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37 views

First 32KB of logical partitions. What is there? Consequences of allowing/limiting access to it

This is a very low level disk question, and I have only been working with this stuff for a short time, and it is quite a different learning experience, so pardon any carelessness with terms, ...
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775 views

How to share an encrypted storage on Windows, Mac OS X and Linux in a secure way

I got a 2 TB drive that I have to use with both Windows 8.1 / Windows 10 and Yosemite to OS X / OS X El Capitan and maybe even on Linux. I need to encrypt the volume. Or rather, I want to create two ...
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114 views

How does BitLocker to Go leave an unencrypted file (BitLocker to Go Reader) that is readable by Windows XP or Windows Vista without extra software?

BitLocker to Go volumes are fully supported on Windows 7 and later. For compatibility with systems running Windows XP or Windows Vista, a utility called BitLocker to Go Reader is provided to enable ...
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2answers
961 views

Can I upgrade a DiskCryptor-encrypted Windows 8.1 machine to Windows 10?

I am running Windows 8.1 Pro and my system drive is encrypted with DiskCryptor. This means that I need to enter my key before Windows will boot. After having read that some people managed to upgrade ...
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689 views

Can't enable BitLocker auto-unlock on drive (“invalid function”)

I just upgraded my computer to Windows 10 by doing a clean install after formatting my boot drive. My boot drive is an SSD, and all my files are on an HDD that I didn't erase. I have all my volumes ...
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34 views

Remove double password requirement on bitlocker

Having an issue at work where one of my employees requires two passwords for their windows surface (one for bitlocker and one for windows) several times a day when it falls asleep! On my mac I only ...
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31 views

Encrypted folder with decryption through network on Windows 7

I'm trying to figure out some way how to have an encrypted folder, which could be decrypted throught network. I have Windows 7 Professional, I've searched for some ways, tried Bitlocker but it works ...
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66 views

Securing USB or external HDD mounts with a password (open-source solutions)

I would like to have a password required each time I mount a USB drive or memory stick onto a Windows Vista or 7 computer. It seems to me like I would need an encrypting filesystem: move everything ...
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2answers
583 views

USB Copy Protection [duplicate]

I am providing video and pdf content to my buyers/readers. And looking for some solution, where I can protect USB to get copied, means : People should not be able to copy from USB (Copy/SaveAs) ...
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1answer
110 views

Can I use Dropbox or SpiderOak with a whole disk encrypted system using TrueCrypt with no problems?

A bit silly question right here... Is it possible to use Dropbox or SpiderOak with a whole disk encrypted system using TrueCrypt whithout any problem syncing ? Can these applications recognize the ...
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109 views

Create incremental/complete backups from a fully encrypted disk using using TrueCrypt?

I have a tricky question about whole disk encryption with TrueCrypt for which I have never found a clear answer: What method do you recommend/use for create backups from a whole disk encrypted disk ...
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Can I make a encrypted image by using openssl encrypt tools instead of dmsetup?

Generally, I can create a encrypted ext4 image by do this: fallocate -l 6553600 encrypt.img losetup -f encrypt.img dmsetup create encrypt_disk --table "0 12800 crypt aes 32BYTEKEY 0 /dev/loop0 0" ...
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1answer
144 views

Do TPM modules only work for motherboards of the same vendor?

Most types of desktop computer parts are agnostic of the vendor. For example, you can use a DDR RAM from any vendor on a motherboard from any vendor, as long as they have the same standards. If I ...
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108 views

Advantages of Enabling Firmware Password Protection

What security advantages, if any, would be gained by enabling Firmware Password Protection on a mac that already has filevault encryption for the disk?
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354 views

How to fix “Windows not on boot drive”?

This is the message I receive when attempting to FDE (full-disk encrypt): VeraCrypt Volume Creation Wizard WARNING: Windows does not appear to be installed on the drive from which it boots. ...
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How best to iron out disk I/O lag cause?

Running luksCrypt (which I know causes some lag esp. with my -c serpent-xts-plain64 -s 512 -h whirlpool setup) but as of late lag has become very much more noticeable. I use xfs and lvm on this ...
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216 views

Can DoxBox ( or FreeOTFE Encfs Truecrypt ) prompt and mount an encrypted file volume or encrypted disk partition before Windows boots to its GUI?

I would like to Encrypt a secondary drive (NOT the OS/boot drive) and have it mounted and drive letter mapped etc, before Windows 7 gui boots up. This is because I will have mapped some user data onto ...
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290 views

How to disable DMA port in windows 7?

I want to use bitlocker. For security reasons (Direct memory access attacks), I want to disable FireWire Thunderbolt ExpressCard PCMCIA PCI PCI-X PCI Express Ref: Types of Attacks for Volume ...
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4answers
836 views

Disk encryption password prompt doesn't appear - Linux Mint 17.1

I've installed Linux Mint 17.1 on my desktop computer with full disk encryption set up. Upon starting my computer and after the splash screen, a black screen appears, and does not move on. If I type ...
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641 views

Full Disk Encryption in existing Linux system without erasing any content from the drives

I am trying to achieve "Full Disk Encryption" in a already installed Linux system. I have come across with LUKS with dm-crypt, it can encrypt a drive/entire disk, but before encrypting it is ...
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436 views

can we do the full disk encryption of a already installed Linux machine?

I need some information regarding any possibility to do full disk encryption for a already installed Linux system(e.g centOS or Ubuntu). Is there any default mechanism for FDE present in Linux like "...
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23 views

Storing LVM encryption key on network share

I want to encrypt all my LVM LV's and have them automatically unlocked on boot using a keyfile available on my network. I can make the files available by SMB, NFS, HTTPS, etc. I have Ubuntu Server ...
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165 views

Failed Yosemite TimeMachine “Use Drive (with Encryption)” renders drive unmountable on reboot

I turned on TimeMachine and told it to use my Drobo volume for backups, and checked the box for encryption. It thought about it for a few minutes and then bailed with an error stating that it couldn'...
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477 views

can we use bitlocker on external hdd of 1TB

I thought of using Bitlocker on my new Western Digital(My Passport) external HDD. It is powered through USB and no separate power source. I searched in the internet related to this and saw few posts ...
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200 views

How to tell if my laptop is protected by FDE?

My new laptop has multiple hard drives, but my system drive is a Samsung 840 EVO (an SSD). According to Samsung's website, the drive supports hardware-based full-disk encryption (which, although it's ...
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1k views

KVM disabled by BIOS

When starting my Linux laptop I see KVM disabled by BIOS. What does this mean for encryption and security? There is no virtualizarion option in the BIOS. What can I do?
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315 views

Recovering data from Mac OS X encrypted SSD with broken MBR

On my Mac, running on Mawericks OSX, I had whole encrypted SSD (240 Gb). By mistake (instead of external, and same size! HDD plugged in), I've chosen wrong disk (my SSD) for Linux installation. So on ...
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228 views

use a eikon fingerprint reader for full disk encryption

I have a eikon finger print reader and im wondering if anyone has any ideas of how i could use it to decrypt a Linux partition. I would ideally like it to work with my Manjaro installation (which is ...
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Unable to log into encrypted root drive after running virtual machine

I am unable to log into my encrypted hard drive on the host which is Ubuntu 14.04 LTS desktop. This all happened after I did the following. Ran VirtualBox Created a VDI drive Installed Kali Linux (...
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600 views

Migrating existing Debinan installation to LVM on LUKS with encrypted /boot

I have a VirtualBox with Debian Jessie. After some point I decided to create new virtual drive, encrypt it with LUKS, and copy old system to it without reinstalling. I've used several guides (1,2,3,4) ...
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529 views

Unable to unlock encrypted hard drive using the password

I am trying to unlock my USB hard drive with the password. When I enter the password to unlock the drive, I am receiving the following error message: Bitlocker Drive Encryption failed to recover ...
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2k views

How to decrypt inaccessible Windows 7 drive

I was in the process of encrypting my hard drive (which I have done multiple times in the past) with DiskCryptor when I suddenly needed to shut down my laptop. I clicked on pause (which has always ...
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Can I encrypt live volume using DiskCryptor?

I am running Windows Home Premium Edition. I downloaded and ran DiskCryptor. OS and Data and everything on drive C:. I set DiskCryptor to volume C: and clicked Encrypt. After entering password and ...
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Suggestions for use case pattern using truecrypt to encrypt user folders in windows 8.1

I have a new windows 8.1 notebook computer and I want to use truecrypt with it to make all of my data secure. My computer has 2 different drives. My first idea was to encrypt all of my drives. However,...
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175 views

How to sniff passwords remembered by applications?

Suppose someone forgets their password for a web application such as gmail, facebook or some other application installed on the system such as skype, but the web browser or skype still remembers the ...
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118 views

Setup SD Card so it only runs on a single Windows 8 PC

A few of our staff are running Windows 8 laptops with only 100gig solid state drives. Recently some of them have been running out of drive space. The main user of drive space is the shared Google ...
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Best first steps for a hard drive?

I volunteer my time to service my schoolmates, fixing their problems, but conversations have come up about surveillance and hacking. I've been watching DEFCON's videos, and have learned that even ...
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Set parameters for Linux Full Disk Encryption?

How do I change the parameters (algorithm, hash, key-lengh, block-size, IVs, mode-of-operation, key-derivation function etc.) for the encryption being used by Linux built in Full Disk Encryption (...
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What happens if i move a file from a Bitlocker drive?

If I move a file from a bitlocker enabled drive/partition to a non bitlocker drive/partition what happens to the file? Does it stay encrypted but unreadable? Does encryption disappear?
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958 views

Is there an AES 256 LUKS encryption option in Fedora?

it was suggested that my post (http://security.stackexchange.com/questions/73140/is-there-an-aes-256-luks-encryption-option-in-fedora?noredirect=1#comment120019_73140) would be better if I asked it ...
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Is there an AES 256 LUKS encryption option in Fedora? [closed]

I have certain information on my drive that I don't want anyone (not even me ;) ) to gain access to. I read recently that Fedora only offers EAS 256 LUKS encryption. This just isn't secure enough ...
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74 views

How to demonstrate disk encryption?

I'm having security classes and in one of the works I need to create a fictitious Company and demonstrate one security tool/improvement. I've chose to encrypt one Windows VM with TrueCrypt (AES) and ...
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42 views

Issue with McAfee End-Point-Encryption reading the disk constantly

Recently installed McAfee End-Point-Encryption in my new laptop. After installing the HDD is on constant read state only, causing high heat emission. Is it a known issue? If it is, is there any ...
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154 views

If TPM owner password set in linux, how to enter owner password in windows to enable bitlocker?

I have successfully taken ownership of, and used various features of, my tpm in linux, using tpm_takeownership and related applications. Now when I try to enter the owner password in windows to ...
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2k views

Unlock locked drive with Bitlocker using Password?

I have a Bitlocker encrypted drive and when I encrypted the drive, I saved the Recovery Key to my USB. Then I changed my system windows from 8.1 to 7 (because of some reasons) and suddenly lost my USB....
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Setting up remote git repo that is on an encrypted drive?

I would like to set a remote git repo that I will be pushing to regulary, which is easy to do. But I want to set up this remote repo to be on a LUKS (Linux Unified Key Setup) formatted drive (via ...
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559 views

Encrypting boot SSD and data drive

I use a 120GB SSD as my boot/system drive, and I have a 1TB SSHD that I use as a data drive. Many of my applications are stored on the SSHD, and Windows does not function properly if the data drive is ...
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Install Old Computer's Hard Drive On A New Computer? [closed]

After my laptop got messed up I switched to my HTPC (Intel i3, HD Graphics 2000, 500GB refurbed WD HDD, Windows 7, and a P8H77-I mini ITX Asus Motherboard). I have the hard drive from my previous ...
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How do I create an encrypted mountable read/write disk image under windows?

I know that in linux and osx it's easy to create a disk image that is encrypted and (given you know the key) can be mounted and you can read/write its content. Under windows there are plenty of tools ...