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March 22nd, 2023 06:00
Dell Encryption: folder structure and file names visible
Hey there! I just got my new DELL Precision 5570 with Dell Encryption as an alternative to Bitlocker.
Installation was a little bit tricky (Dell Digital Delivery did not install anything, but downloading and installing it manually works) but now I have everything working.
I've checked the encryption using Live Linux and yes, the files are encrypted but I was a little confused due to the fact the whole folder and file structure is fully browsable. Is this normale behavior? Can I configure it somehow so that not every file and folder name is visible as this alone is a security risk IMO.
I guess preboot auth would help, but sadly my DELL sales person said SED or "normal" SSD would just work the same but PBA is only available with SED hard drives.
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Dell-StephenO
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158 Posts
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April 4th, 2023 07:00
Hi @aergadrgdsfg,
Thanks for your post. Dell Encryption works at the File level of the disk so your testing is spot on for expectations. Opening a file outside of the managed OS will show cipher text and since the solution is file focused the structure of the file system is left in a plaintext state. To your point you would need a SED or FVE type solution with PBA to fully encrypt the file table which would prevent the disk structure from being exposed when booted from an unmanaged OS.