Questions tagged [bitlocker]
A logical volume encryption feature included with specific versions of Microsoft Windows Vista and later.
181 questions
2votes
3answers
847views
Clarifying BitLocker Full Disk Encryption and the role of TPM
Question 1: Can you confirm that in a full disk encryption setup like BitLocker, when we normally boot the system, use the password, and log in, the key to decrypt the disk is loaded into RAM? If so, ...
- 325
10votes
3answers
2kviews
Prepare Bitlocker protected PC for disposal
We want to dispose of an old notebook whose display frame is damaged. It's a Windows device with a BitLocker (TPM+PIN) encrypted SSD. I am trying to devise a strategy for protecting the data on the ...
- 3,940
1vote
2answers
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Is a Bitlocker encrypted SSD at risk when booting from another SSD in the same machine?
Let’s say I have a laptop with two different SSDs in it, each of them encrypted by Bitlocker, and each of them having their own unique Windows 11 installation. If the primary SSD is encrypted with ...
9votes
4answers
5kviews
Is BitLocker susceptible to any known attacks other than bruteforcing when used with a very strong passphrase and no TPM?
I have learned about attacks where the BitLocker master key can be sniffed on its way from the CPU to the TPM using a logic analyzer. However, in computer configurations without TPMs, this is ...
- 1,347
1vote
1answer
139views
How can Bitlocker do this?
Im about to upgrade my CPU that has TPM in it. Bitlocker is TPM+PIN+Keyfile. Now, naturally when upgrading CPU I will suspend Bitlocker, shutdown, change CPU and reboot. OK, I can understand that ...
- 93
0votes
0answers
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The Boot Process - Sequence of Events, Boot Integrity Checks, and BitLocker OS Volume Encryption
Apologies if any of these questions have been answered previously. Also, apologies for the sheer number of questions asked here. I've done some digging, and have been unable to find a good resource ...
1vote
1answer
988views
Is CVE-2024-20666 Bitlocker vulnerability mitigated by disabling Windows RE or removing the recovery parition?
Taking Microsoft's page on CVE-2024-20666 at face value, that Bitlocker vulnerability is darn serious in an "evil maid" attack: A successful attacker could bypass the BitLocker Device ...
- 1,295
0votes
1answer
325views
Is the Bitlocker encryption key used on HD same for USB?
With Bitlocker, is there only one "master key" that is used to encrypt/decrypt for both HD and USB data? I saw this article today which talks about sniffing the encryption key to get access ...
- 197
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0answers
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microsoft bitlocker copy data in background [duplicate]
I use microsoft bitlocker encryption all my disks. Some day, maybe I click on a phishing email and my computer be hacked. Hacker sends my data to his server. Is the data encrypted or plaintext in his ...
2votes
0answers
566views
Bitlocker on Windows 11 local account
I've recently upgraded my computer security by encrypting all the drives on in with BitLocker (I'm using Windows 11 Pro). Unfortunately, I ran into a rather fastidious bug that prevents me from ...
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0votes
1answer
223views
Recover deleted (Shift+Delete) One Drive Folder on a bitlocker enabled drive. Should I unencrypt drive before I atempt recovery?
Windows 11, bitlocked C:\ Drive (I have the bitlocker key and can unencrypt drive). Onedrive installed, synced to my Docs folder but not signed in to OneDrive account (never signed in). Uninstalled ...
- 101
0votes
0answers
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Bitlocker TPM + PIN vs password without TPM [duplicate]
I keep reading how it's best to use Bitlocker's full disk encryption with a TPM + PIN instead of just a passphrase twithout a TPM but I've been wondering why. Assuming that a very strong password is ...
0votes
1answer
260views
Does faulTPM defeat the LUKS-based FDE with a passphrase?
The recent faulTPM paper (https://arxiv.org/pdf/2304.14717v1.pdf) deals mostly with Bitlocker and only mentions LUKS to note the differences. The authors state: With a passphrase, however, the same ...
- 259
5votes
3answers
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Why/When does patching CVE-2022-41099 (BitLocker Bypass) require extra steps?
Microsoft has published information about a recent security problem classified as "BitLocker Security Feature Bypass" identified as CVE-2022-41099 which points out that Windows Recovery ...
1vote
1answer
153views
When using Bitlocker and I am logged into a PC is the data accessible for outside devices? (mounted)
I am wondering what happens when I log into an encrypted Windows PC - could an attacker steal data from the PC while logged in or is it encrypted and to access the drive he would need the Bitlocker ...
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