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Questions tagged [file-system]

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

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EncFS vs EFS advantages for Dropbox-seamless encryption

I am considering a solution for securing my private data in Dropbox. In spite of OneDrive, MEGA and AmazonCloud are also being considered but now I put my focus on Dropbox as the most feature-rich of ...
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Files on external drives executable by default with exFAT or NTFS under Ubuntu

On Ubuntu, if you use (external) drives formatted as exFAT or NTFS, i.e. not ext4 or something made for the UNIX world, you may end up with a situation where all files are executable. This is because ...
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How to protect certain macOS user directory from unauthorized access?

I have several directories on my Mac, two most popular examples are: ~/.aws ~/.ssh They can be read by any script file or third-party app in system. I do not see a way to protect them in macOS (...
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Using the same passphrase for files and filenames with filesystem-level encryption such as eCryptfs

In filesystem-level encryption schemes where files are encrypted and stored individually, filenames may or may not be encrypted. eCryptfs allows to encrypt filenames with a different key than the one ...
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Does aslr definitely end the possibility of code execution in the case of filesystems heap overflows?

Local only Filesystems (like ntfs or btrfs) consists of many data structures that require very complex code for parsing them. So, such filesystems if implemented in user space can suffer of buffer ...
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Database was Deleted, Suspected Tampering

So basically at the beginning of the year a database of intellectual property (IP) disappeared at the close of a falling out between some upper-level employees and the executive staff at my company. ...
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Does erasing slack space ever make sense on flash-based storage?

Slack space appears when a file written to the disk does not occupy the last cluster entirely. For example, if I write a 512B file on the HDD formatted with 16KB clusters, only a single 512B sector ...
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Fixing Corrupted ELF Section Size

I dropped an ELF to IDA, which IDA give me an error that the "Binary data is incorrect". I research a bit and found out that some of the ELF sections dont have a valid section size and their section ...