Password Protecting External HDD to Prevent Access on Other Computers

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Level 1

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Password Protecting External HDD to Prevent Access on Other Computers

Does anyone out there have an idea/suggestion of how I could protect content on an external HDD?

Anyone can just plug it into their mac/pc and read it. I tried getting Info of the drive i want to lock and unchecking "ignore ownership" box. I placed a password and i selected "no Access" to "everyone" and then removed "staff".

I then removed the drive from my macpro and connected it to my macbookpro with a different username and password, but i can still access, edit, copy and paste with no trouble at all

Is there a way I can 'lock' it with a password, wether it's the whole drive or just a folder, and prevent access on any computer, be it Mac or PC unless you know the password?

This would be a great help.

Thanks,

Mac Pro, Mac OS X (10.7.5)

Posted on Nov 26, 2012 12:08 AM

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Answer 1

Linc Davis

Level 10

209,547 points

Nov 26, 2012 7:53 AM in response to Vorian A

How to Encrypt an External Drive Quickly in Mac OS X

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Answer 2

Vorian A Author

Level 1

5 points

Nov 27, 2012 12:38 AM in response to Linc Davis

Thanks Linc, that helped but there was a question on that page that also came to mind:

and my other question would be: if i encrypt a disk using a computer, when i use the same disk on a different computer, will i be prompted to enter the admin username and password of the computer where i encrypted the disk?

one last question: will a PC see the disk and prompt for the same admin username and password of the encrypting computer?

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Answer 3

Linc Davis

Level 10

209,547 points

Nov 27, 2012 6:43 AM in response to Vorian A

1. Yes.

2. No.

3. The disk will be unreadable on a PC.

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