Protect hdd from writing permanently

July 31, 2020 at 21:47:37
Specs: Windows 10
I am looking for a way to permanently lock an external hdd to read-only mode without a way for the external attacker to make it writable. If it is not possible to use a password or pin to make disk writable, I am ok with a permanent write-locking solution. The goal is to prevent unauthorised third-party from adding any files to the disk or modifying files on the disk and claiming that those files or their changes belong to me.

I know that DVD is a typical solution for this but I need to make 1TB to 2TB of data read-only, so DVDs are not an option.

Is there a way to physically write-lock hdd in any way? I am ok with using any hdd of any maker, either completely external or a 2.5 hdd that can be put into external enclosure. It is ok for me to cut something (like a wire). It just has to be either a password protected change (not OS dependent), or a complete hardware damage to write capability of the drive.

I searched both here and on the Internet in general but could not find the answer.

Edit: exclude password/pin, looking for a permanent solution to make the drive read-only.

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July 31, 2020 at 23:56:46
Some older drives had a 'write protect' jumper but that's not likely anymore.

I found this:

but their stuff is kind of expensive.

Do searches on ebay for "write block" and then "write blocker" (in quotes). Some more reasonably priced devices turned up. You may need to do some research to see if they fit your needs.

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August 1, 2020 at 01:53:39
You can buy external drives that have a physical write-protect switch. E.g.:

I'm sure that a Google search would reveal others.

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August 3, 2020 at 16:47:29
What type of files are you storing on the external drive? PDF format gives the creator many options to protect the file.

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August 3, 2020 at 22:00:36
Thank you for this post. Good luck.

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August 6, 2020 at 02:47:16
You can use an external hard drive available on amazon, or Kanguru harddisk that features a physical write-protect switch. Enabling read-only mode will help you to work safely on any computer.

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