IT Security Stack Exchange
IT Security Stack Exchange

Questions tagged [disk-encryption]

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).

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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Decrypting a BitLockered USB drive

I have encrypted a USB drive with BitLocker and I have lost the password and the hash backup. I have tried to search for something to decrypt the drive but came short. I have imaged the USB drive and was wondering is there a way to decrypt an image…
118MASTERMAN
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How I can encrypt Windows if I use a SSD and HDD?

I need to encrypt my Windows Disks with full disk encryption. Windows is already installed and all drives have data. My Drives/Disks: 1 SSD - C: drive 1 HDD - D: drive and I have a drive where Linux is installed I need to encrypt C: and D: drives so…
user234080
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How to secure an IoT device

Which is the proper way to prevent users to read sensible information stored inside an IoT device (e.g. source code / private keys...)? Fully disk encryption is of course an option, but is it possible to boot the device without asking the user for a…
Luca
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Unrecoverable information in HDD

A couple of days ago I asked about deleting the information and making it unrecoverable. The company bought a new disk and I have to leave the old disk. My question is simple: I had very confidential (critical) data and I would like to know if you…
pobime7177
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When using Encryption that produces random memory/storage can you randomly input memory/data that reads as known file types?

I refer to this question's answer, the second part mentioning the random data, and no headers or anything, including files that are recognizable. Reading the answer just made me think adding random file data would just further the security? If an…
Mizat
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Is it secure to set the encryption password the same as the root password?

When installing Manjaro Linux, it shows the following screen: What's the logic behind that?
Alberto Salvia Novella
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Possible to restore LUKS header from partition that uses the exact same password and keyfile?

I was in Windows 10 and it told me I needed to Initialize Disk so I clicked it and now my LUKS header has been overwritten. I created my encrypted partitions in Linux with cryptsetup command. However, I have another drive that uses the same password…
Anon User
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Is Android encryption secure?

As far as I know Android (Pie) is encrypted by default with some hardware-based password. But how secure is this encryption? I am not talking about password compromise, but if somebody gets my phone, he just needs to turn it on to get data…
Bukashka
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Have I used LUKS properly?

I am about to go travelling to some high risk countries where corrupt officials will most likely try to go through my laptop and external HDD. I am using Linux Mint and LUKS. Could someone please tell me based on these pictures whether I have…
user5623335
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How long shall a password be to resist a botnet brute force?

Imagine that I'm an evil genius, and I had the brilliant idea of creating a botnet for brute forcing passwords. Or I'm just the owner of the Echelon, and I have a farm of distributed servers around the globe to decrypt passwords. How long and…
Alberto Salvia Novella
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What's a good encryption method available for external hdd's, ext4?

I've been reading about encryption methods and see things like 'ecryptfs', 'veracrypt', 'LUKS' that "military grade encryption" is basically 256-AES encryption. I have data on an external hdd - can't tell by reading which encryption method is best…
topencrypt
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Bitlocker/Filevault and VeraCrypt together?

I'm researching ways to make the most secure encryption for additional fixed drives to protect against unknown vulnerabilities, side channel attacks, etc. Basically, securing the data beyond just a single password on ALL drives. The OS utilizes a…
Matt
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What is the purpose of the Volume Master Key in BitLocker?

From this FAQ, I understand that BitLocker uses the following keys to encrypt the hard-drive: Full Volume Encryption Key (FVEK) (used to encrypt raw data; encrypted by the volume master key and stored on-disk) Volume Master Key (VMK) (encrypted by…
Shuzheng
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How sufficient are these steps to prevent deleted SSD files from being recovered?

I'm selling a 4-year-old Dell PC with Windows 10 and two SSDs and I want to be sure that nobody can recover anything from my personal deleted files. So far I've done the following. Completely Bitlocker encrypt both disks, including unused space. …
Joe
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Non-obvious Mitigations for This DMA-Attack Demonstrated by F-Secure

Are there any non-obvious mitigations for the big DMA-attack revealed last year and demonstrated in this video by F-Secure? We know that Microsoft has published some material pertaining to DMA-attacks, but, from my reading of Microsoft's article, it…
Daniel
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