A file system is a way of organizing information on a storage device like a computer hard drive.

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Why can't just any program use his own file-system-access-system?

This may sound stupid for everyone who knows more than me about the UNIX-System and security in software: Imagine you have a program trying to cause harm by deleting files. You just do something like ...
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2answers
2k views

How do worms spread over LAN? [duplicate]

I've been researching LAN recently, and I came across a post talking about viruses spreading over LAN, and I was wondering, how is this possible? Would it not be a huge security issue to allow files ...
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1answer
188 views

Uploading Executable Files

Using proxy software, I was able to bypass a file upload control file-checking for an asp.net system I am pen testing. I noticed they are saving the file into the database as bytes, and it is ...
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1answer
102 views

Best way to secure file removals in Windows remotely

I have Windows 2008 R2 box on colocation. I want to remove certain files with a high degree guarantee it cannot be recovered from physical HDD access. Could someone please explain what levels of ...
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2answers
580 views

What does Gazzang zNcrypt actually protect against?

In an effort to increase security of our website, I'm reading up on Gazzang zNcrypt, which claims to protect data in databases from breaches. Technically, it seems to do filesystem encryption. As far ...
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6 views

Files associated with Thunderbird - Security mechanism for local storage [migrated]

I am trying to know how Thunderbird stores the mails, associated files in the local machine. I use Ubuntu 13.10 and Thunderbird 24.6.0 When I see in the local profile folder in the location in ...
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1answer
61 views

Are there any artifacts for filesystem forensics in memory?

I have a memory dump. I know it is infected by a rootkit which uses its own file system installed at the end of the disk. Can there be any artifacts in dmp file to show this?
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1answer
48 views

Finding artefacts of software

I was wondering if there is an established way to tell what running a particular program on a system might leave behind (in terms of changes to a filesystem, such as in Linux). I am thinking of this ...
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408 views

External hard drives: 'date last accessed' file?

I'm trying to figure out if there's a way to figure out when files on my external hard drive were last opened. I'm using a Seagate Backup Plus, and it's both mac and PC compatible. BUT, I've also read ...
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1k views

Repair Truecrypt NTFS-partition with undetectable filesystem [closed]

Long story short: Got 1 TB HDD. Created one fullsized (non-system-)partition on that. Encrypt via TC. One time, via boot, Win presumably formats that (and maybe writes some bytes on it). I manage to ...
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4answers
238 views

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 ...
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3answers
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Are file permissions set in Unix/Linux effective in Windows or Any other OS?

Consider some files and folder in Unix/Linux OS which are configured for only read access by root, if the hard drive stolen, and used in Windows Environment, are these permissions are still effective? ...
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136 views

Can a computer's contents be downloaded wirelessly?

So my calculus teacher, who also teaches computer science, claims that a computer's entire filesystem can be downloaded wirelessly by anyone on the same network? As a Ruby on Rails professional, ...
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2answers
39 views

Safely generate a non-log file within an application server

How does one go about safely write a temporary file to a location within an application server that is publicly accessible?
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1answer
192 views

is there any program that can tell me which files have been transferred from my computer thru the web

Is there a program that can tell me which files have been transferred from my computer thru the web? So if I have virus on my computer that transfer files I will know about it according to the files ...
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1answer
124 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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1answer
2k views

Files deleted by some Employee . How to find what time it happened and whether done from another computer on network? [closed]

My Files got deleted by any Employee . How to find what time it happened and whether done from another computer on network ? The files were in shared drive in the computer. I am using windows 8. What ...
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1answer
735 views

Can File Sharing being Controlled by Mac Address? [closed]

I am currently setting up secure environment between 2 pc in isolated network. Just wondering can we do file sharing based on that pc mac address instead of username? The environment is OEM Windows ...
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1answer
131 views

Would this be plausible for a metamorphic virus? Not repeatedly infecting same system

Would this be plausible for a metamorphic virus? When a new generation (for lack of better word) is created it would hard code a random file name, that would be checked to see if the system was ...
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4answers
349 views

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?