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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OPAL Hardware Encryption [closed]

I recently bought a laptop which has OPAL compliant Self encrypting hard drive. I wanted to know how I could use/check the status of the Hardware Encryption features of an OPAL drive (windows, linux ...
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4answers
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How does Android L achieve strong encryption with a low entropy passphrase?

After upgrading to Android L on my Nexus 5, I was pleased to find that I can enable encryption using a pattern as the passphrase. However, it soon got me thinking. I'm guessing the encryption key is ...
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1answer
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Encrypting tails USB boot disk (preeboot password on live)

To use tails, I have always used a DVD, because of the fact I know it will not be tampered with, at least within reason. However there are endless reasons why a USB boot option would be faster, and in ...
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4answers
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VeraCrypt/TruCrypt - I can't understand why you'd want to create a “hidden” volume…?

I can't think of a reason as to why you'd want to create a hidden volume in VeraCrypt. It says because "you may be asked to hand the information," but why would I need to hand it over? Nobody has any ...
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1answer
108 views

Ease of Getting Data On Self-Encrypting Drive From Screen-Locked Windows 7/8 Computer

Hypothetical: a Windows 7 or 8 computer has a self-encrypting hard drive. It is stolen with the power on, but with the Windows lockscreen on. Are there easy off-the-shelf ways to access the data on ...
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2answers
673 views

LUKS, how to make strongest possible and reasonable passphrase?

Let us say I have a volume encrypted under LUKS with a 512-bit key. That would mean there are 2 ^ 512 possible values which the key may be. Now I need a passphrase which is at least as resistant to ...
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3answers
355 views

Mitigating the LUKS decryption key residing in RAM for FDE

I've come to find Full Disk Encryption to be a rather unsafe method of securing data as standardized tools are becoming available to just read out the encryption key from RAM, where the system needs ...
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1answer
90 views

On my MacBook, is my user password now the Achilles heel of disk encryption?

From a cold boot, the only password needed to unlock the primary encrypted volume on my MacBook's SSD is just that of my main admin user. This was not always the case; it used to be that I could ...
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2answers
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How To Recover EFS Cert From Backup?

I made a backup of the old Win 7 Pro then did a clean install. But I forgot to export my EFS encryption certificate, so when after I restored the encrypted files from backup I could no longer access ...
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2answers
200 views

Would encryption of RAID6 arrays of SSDs be secure?

Given the uncertainty about data being left in the clear, I've hesitated to use SSDs where I need full-disk encryption. While some SSDs employ hardware encryption, they're quite expensive, and there ...
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4answers
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Samsung SSD 840 Evo Disk-Encryption

My question relates to the hardware encryption of samsungs 840 Evo SSD (maybe also other models): The theory: Samsung specifies that their SSD encrypts each data with AES by default. So if I choose a ...
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2answers
731 views

Debian encryption is as safe as Truecrypt. Is this correct?

When I try to install latest debian to my pc, the wizard ask me to input a password to do FDE(full disk encryption). My questions are: What algorithm does Debian use? (Truecrypt = AES) Can I change ...
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2answers
120 views

Where to store passwords of encrypted backup drives

I have all my backup hard drives encrypted with LUKS. Currently, the passphrase is some 25+ random password that I store in my password manager KeePassX. Since I have the backup drives for the case ...
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3answers
133 views

Read encrypted hard-drive after extraction from running computer

If someone unplugs the hard-drive of my laptop while it's running, what contents would they be able to extract from it? I understand that on login, the image of my hard-drive is mounted, but I'm ...
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2answers
764 views

LUKS nuke efficiency

I am wondering about LUKS nuke patch efficiency. In fact, I think I don't really understand it. From what I know of LUKS, a passphrase is used to encrypt a random key (the master key), which is used ...
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2answers
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Is BitLocker on a virtual machine still FIPS 140-2 compliant?

BitLocker can be used as a cryptographic module to fulfill FIPS 140-2 security level 1 compliance. In a common setup, USB thumb drives can be used to unlock drives encrypted by BitLocker on startup. ...
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6answers
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How secure is NTFS encryption?

How secure is the data in a encrypted NTFS folder on Windows (XP, 7)? (The encryption option under file|folder -> properties -> advanced -> encrypt.) If the user uses a decent password, can this ...
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3answers
251 views

Hardware encryption for Flash Drives

Could someone tell me the difference between Hardware encryption and Software encryption? (With regards to flash drives, if it makes any difference). From what I understand, software encryption is ...
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1answer
283 views

How does this implementation of full disk encryption work?

I have a laptop that has Sophos Safeguard full disk encryption on it. I booted the machine into another operating system on a USB stick and attempted to read the disk from the other OS, and I verified ...
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0answers
49 views

How do I start securing a virtual appliance to avoid manipulation? [closed]

We have created an amateur software product related with monitoring and management of specific services. It has been made in Python and runs a web service as frontend to show the data in a nice way ...
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2answers
191 views

Trust level of whole disk encryption software

For example, if we take this software into account: Symantec Endpoint Encryption Sophos Safeguard Encryption How can we trust suppliers of whole disk encryption software in the lights of the ...
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2answers
134 views

Moving /boot to USB and Preventing booting from other USB devices (Allow boot from only one USB)

I'm going to move my /boot/ folder to a USB to as a security measure to protect against Full Disk Encryption exploits. My question is, is it possible to only allow boot from USB from a single USB ...
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1answer
2k views

Another method to erase hard drives securely? [duplicate]

Possible Duplicate: Use truecrypt to make data unrecoverable The other day I was thinking, and I looked up this question because I was pretty sure a question similar to this had been asked. ...
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0answers
259 views

Mcafee endpoint encryption doesn't see previously encrypted partition after Windows 7 reinstallation

My partitions C and D were encrypted and Windows 7 was installed on C. I copied all important files to D and then changed harddrive controller from IDE to AHCI, removed C and created it again and then ...
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1answer
324 views

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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1answer
371 views

Hardware-based full disk encryption without pre-boot authentication [closed]

I am looking for a possibility to sanitize large amounts of data on regular hard-drives and SSDs. Instead of overwriting the data several times (on regular hard-drives, which could take days and ...
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4answers
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Why use a Smartcard for (Two Factor) Auth instead of another medium?

I recently installed Bitlocker on my Windows 8.1 machine, using only a password. I was thinking of getting something other than just a password for my storage drive, something physical, like a USB, SD ...
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2answers
402 views

Old floppy disk protection

can somebody explain in detail how old floppy disks copy protection works? Someone told me that it was based on an error on a trace of the floppy that was read only during the copy (and never when the ...
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4answers
2k views

How do I encrypt external drive with Password which is compatible with both Linux and Windows? [closed]

I wanted to encrypt my external drive with password, which is compatible in both Linux and Windows. Truecrypt is an option. But the development of it is stopped few months back. I came across ...
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1answer
1k views

Hardware encrypted external HDDs

I'm planning to buy an external HDD with hardware encryption, namingly the WD My Passport Ultra 2TB. On the WD website the information about the encryption is sadly scarce so I'm asking here. How ...
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2answers
11k views

Why is VeraCrypt more secure than TrueCrypt?

TrueCrypt retired with a mysterious "Using TrueCrypt is not secure as it may contain unfixed security issues" (source) Yesterday Slashdot reported VeraCrypt as a better replacement (source) since it ...
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0answers
367 views

Full disk encryption on CentOS 6x - FIPS 140-2 compliant?

I'm using CentOS 6.5 on an existing server and am researching encryption options for compliance. SEDs are out since the controller in this older machine will not support them. That leaves full ...
2
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1answer
101 views

Security implications when setting the discard option in /etc/crypttab

Setting the discard option in /etc/crypttab has security implications. From the man page: Allow discard requests to be passed through the encrypted block device. This improves performance on SSD ...
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2answers
149 views

How to decide whether to password protect key files in addition to full disk encryption

It is customary to protect certain critical files with a password. For example: PGP keys, VPN keys, password managers, etc. The practice dates back to before full disk encryption being common. These ...
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2answers
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Using a TPM with Linux

I have the need for a company laptop (Dell e6540) that contains our java application on it to go out for evaluation purposes. For this reason I would like to make sure that the HDD is protected from ...
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2answers
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Possible implementations of networked+encrypted filesystem

Is it possible to implement scheme where remote server just share its filesystem (or resizable container file in it) and it's locally encrypted and mounted? And what is best practical method? (On ...
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1answer
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XTS vs AES-CBC with ESSIV for file-based filesystem encryption

In a blog post I recently read called "You Don't Want XTS," the author explains some of the pitfalls of using XTS to encrypt filesystems. Specifically, he recommends against ever sharing encrypted ...
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2answers
169 views

Store a file on a harddisk without root having access to it

Is there a way to store a file on a disk as a user so that even the root user has no access to it? I tried EncFS but that is no solution because the root user can switch to every user, so he/she can ...
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2answers
295 views

What happens after setting up HDD password?

I am wondering what happens when I set HDD password in my laptop (Samsung with ssd). I mean a given case. I have been having working system without any password. Then one day I decide to set up HDD ...
3
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2answers
163 views

Can full disk encryption make malware recovery more difficult?

Let us say that we have a computer with a fully encrypted disk. If it gets infected with malware, does this make it more difficult to use a LiveCD or other rescue option to clean it or restore it? It ...
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1answer
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Securely wipe external drive with Windows only [duplicate]

Consider following 2 disk wipe procedures, using only vanilla Windows installation: First do a quick-format to make the disk appear empty, then do one of these: Just do full format of the disk. ...
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5answers
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Are there any reasonable TrueCrypt forks?

Unfortunately, TrueCrypt may have been discontinued yesterday. I use LUKS on Linux, but I liked the fact that with TrueCrypt I had a portable solution across Windows, Mac, & Linux. TrueCrypt ...
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4answers
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TrueCrypt -vs- MacOS encrypted sparse image - equally secure? Other alternatives?

I'm currently trying to find my personal best solution for storing passwords and other sensible data. Recently I've used 1Password on iPhone and Mac but I'm not really satisfied with its predefined ...
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1answer
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Encrypted LVM as an alternative to TrueCrypt

In a weird announcement on the TrueCrypt page it says that the software is unsafe so we should migrate to BitLocker. If it is a prank it's sure not funny especially when it comes to data. Since I ...
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1answer
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Are there other ways to encrypt files other then TrueCrypt and BitLocker [closed]

I don't trust BitLocker. Probably backdoored and relies on TPM which can be hacked according to DEFON. It also does not allow for hidden partitions or other advantages like TrueCrypt. With TrueCrypt ...
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7answers
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Physical computer security, how to disable USB ports when the computer is 'locked'?

Lets say my PC & server is in an environment where a theoretical attacker has physical access to the machine while I'm not there. Now the data is encrypted on the hard drive with TrueCrypt. ...
3
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1answer
894 views

Is Dual Factor possible during boot with whole disk encryption on Mac FileVault 2

Mac FileVault 2 is the default disk encryption for newer Macs that occurs in the EFI pre-boot phase. The challenge here is that most smartcard drivers are loaded after the OS loads. Is anyone aware ...
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2answers
212 views

I need two separate hidden volumes in disk encryption. What are my options? [closed]

C: for system (Windows) D: for my files Makes much more sense to me than packing everything on the same volume, right? Is there a disk encryption utility capable of doing this? I don't know much ...
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1answer
203 views

Secure distributed storing and querying of [medical] data?

Comparing ways of distributing and securely storing and querying structured and schemaless data. Currently I am using MongoDB, but am looking into (Postgres|MySQL)&CryptDB, Cassandra and others. ...
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2answers
324 views

Ubuntu LVM LUKS Encryption

I've been reading about Ubuntu LVM Encryption, and I understand that it supports the use of Linux Unified Key Setup (LUKS) during installation, which is a block level encryption that encrypts the ...