The Encrypting File System (EFS) on Microsoft Windows is a feature introduced in version 3.0 of NTFS that provides filesystem-level encryption.
Questions tagged [encrypting-file-system]
72 questions
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EFS encrypted files cannot be opened, even with the right key
I created a folder on my Win7 Pro machine, set it to encrypt contents to protect data. Then I opened MMC, added the Certificates snap-in for "my user account", expanded Certificates - Currrent User > Personal > Certificates and exported my…
John Ly
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Linux crypted filesystem : is there actually big issues?
as a SaaS provider with sensitive informations we think about crypted filesystem (under Linux) but is there any problem about performances or maintenance if the filesystem crash?
We want to use it on Mysql server for web application with medium load…
Cédric Girard
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Encrypted fs and liblzma.so.5 library missing
I have created a few VMs with encrypted filesystems + dropbear-initramfs (https://packages.debian.org/bullseye/dropbear-initramfs) with a procedure similar to How to unlock LUKS using Dropbear SSH keys remotely in Linux.
At first it works, unlocking…
LetMeSOThat4U
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Does ecryptfs support AES-256? How can I check?
I have been asked if our workstations are encrypted with AES-256. I have not been able to find this information at ecryptfs.org. Various web searches report conflicting information.
Is there a way to check what encryption is used on a…
dannyman
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1 answer
Debug USB Mouse/Keyboard on Windows XP?
I have an older hard drive that has some EFS data on it. I tried booting from the HD, but as soon as the Windows boot, the USB Mouse and KB goes off. The HD has an older version of Windows so it's probable that it never had the USB mouse or KB…
Tim
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How to require a password/key/secret supplied by human sysadmin (via an ssh login) for every mount of a LUKS-based volume?
Summary
We want to support this scenario: if we sense any security threat that might expose our core data (all stored on a /home NFS mount from our NFS server), we immediately "hard" power off the NFS server. Any potential, successive, unauthorized…
Johnny Utahh
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1 answer
Linux refusing mapped image file created with dd as swap device
Getting the error "WRITE ERROR ON SWAP DEVICE" on boot but all works fine when I change the line:
truncate -s $swapsize $flPtDev
by
cp /swap.img $flPtDev
The complete script is the following:
cd /home/myuser/
mkdir ./.myfolder
cd ./.myfolder …
Mark
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2 answers
How can I protect business data from being removed by an employee using encryption?
I am looking to beef up security on an office network. Aside from the obvious: physical security, limiting user privileges using Active Directory, running a firewall that does stateful packet inspection and running anti-virus software; I would like…
user314554
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votes
3 answers
FreeBSD encryption concept: automatic boot without password or key, when mounted by another system?
Recently, i installed FreeBSD for work and geli for encryption. (Full disk encyrption without boot partition.) When I finished getting it setup, I found that every time it boots, I need to enter the parse password to mount the root disk.
This is not…
altman
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2 answers
Gain access to other people's encrypted files
For a proof of concept I am building a server which will host 2 users.
Both users are local admin, and both users are domain users.
User1 will encrypt the files with EFS so he can get transparent access.
Is it possible to for User2 to get access to…
Anemoia
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1 answer
directory protection in Ubuntu 14.04 Server
I want to run the following on a single ubuntu 14.04 server
- Asterisk
- PHP/Apache/ MySQL
This server will be offline at customer's location.
I want to protect these folders in a way that if my hard drive is stolen, I will not have to worry about…
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3 answers
Can user protect his files from untrusted administrator?
I am looking for means to prevent my Windows administrator from accessing my files.
My plan is to cipher my files with EFS. As far as I know administrator can access ciphered files if he has EFS recovery agent role. So I'm worried about the…
dvv
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