A file system is a way of organizing information on a storage device like a computer hard drive.
A file system is a way of organizing information on a storage device like a computer hard drive.
Questions tagged [file-system]
208 questions
5
votes
2 answers
Raw hard disk data extraction possible?
Suppose that the administrator's account is hacked.
Then, can a hacker extract hard disk raw data (by raw data, I mean every raw data, not just files that can be read by a file system.)?
David Bowie
- 51
- 1
- 2
3
votes
1 answer
Zeroing empty sectors on various Linux filesystems
There exist various tools for Windows filesystems (NTFS, FAT) to write zeroes or random numbers to free space on the drive/filesystem.
Do there exist tools like this for Linux filesystems like ext4 and btrfs?
Naftuli Kay
- 6,763
- 11
- 49
- 78
3
votes
1 answer
How to properly sanitise a file name
I am to generate a file name that will be used for a ZIP file sent back to the user from a web app. I have no idea what OS that file will ultimately be saved to so I have to come up with a way to sanitise that file name on miltiple plateform (at the…
Stephane
- 18,679
- 3
- 63
- 70
2
votes
2 answers
Can you access Google Drive documents if you have the absolute path to the file?
I have been digging into Google Drive while I am trying to investigate a proper way to protect files on a site. In my experience if a user has the URL to a file they can access it without any protection, like Facebook images for example.
However,…
aresne lupin
- 121
- 4
2
votes
3 answers
Wipe free space or take image and wipe entire disk?
Read some of the stuff here regarding wiping disks and securely deleting files. From what I've understood, after deleting (not securely) files they become part of the unallocated(free) space of the HDD. So if I want to securely delete the deleted…
user45011
- 21
- 2
2
votes
3 answers
Theft of data via live boot disk
I have been working with live boot disks recently and I know that it gives you access to the computer's processing power, internet, and various other tasks without the hassle of a username/password.
Is it possible to obtain files created in another…
Jon Valentine
- 215
- 3
- 6
2
votes
1 answer
Reading/Writing content of files - what can happen?
I'm setting up a simple system that is using an HTTP server which is writing incoming data to JSON files in a specific directory. This is functioning as a very simple pseudo-database. For simplicity, assume Java and no direct exploits on the server…
5-to-9
- 133
- 3
1
vote
1 answer
Tell if someone accessed my filesystem
In the organization I work for,
the computers are connected in a network,
and I can access each PC's filesystem via '\' if I state the "Master User" credentials, once the login window pops up.
since I was not connected to the PC via a remote desktop…
Y.S
- 113
- 3
1
vote
4 answers
Free space shredding
I'm an avid fan of file system forensics but I'm an amateur so far. I've been reading up on NTFS forensics and I've noticed you sometimes can know if a file was on a certain volume even if it was deleted and the free space shredded with a tool. You…
1
vote
1 answer
Is shred -n1 /dev/sda demonstrably worse than Bleachbit?
Given an ext4 harddrive (not SSD) with no files, is running
sudo shred -n1 /dev/sda
# one pass, no zeroes, over whole drive
demonstrably less reliable than using Bleachbit's "Wipe free disk space" tool on the same location?
(As far as I can see…
lofidevops
- 3,630
- 7
- 26
- 32
1
vote
2 answers
Pictures saved to computer without owners knowledge and/or use of comp in a week
How can images be saved to someone's computer - in their pictures folder - without the owner's knowledge or use of the computer in over a week?
I cannot find anything about this happening anywhere or how it could happen. The only people who have…
MadameTiani
- 11
- 3
0
votes
0 answers
Shared computer's disc space mysteriously filling up - worried about illegal content
I'm not an Information Security professional, just a worried layperson.
A few years ago, when I was logged into my own account on a shared laptop, the disc space mysteriously kept filling up. I deleted vast amounts of videos and other large items to…
Notmycupoftea
- 1
- 1
-1
votes
1 answer
How does one find out the file system / directories structure of a webserver they don't own?
How does one with simple access rights find out the remote host directory structure? I see that web archives are able to not only backup content on the specified domain, but every folder within it.
Unihedron
- 151
- 1
- 11
-5
votes
4 answers
What role does paging play in respect to security?
What role does paging play in respect to security?
By paging I mean memory management technique of splitting file memory into pages
I guess the question is does it make files more secure?
Michael Naumov
- 117
- 2