How to do a 7 pass erase mac

Thread starter Jezabelle Start date Mar 21, Sort Posts by Likes. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.

Is 7 pass erase secure enough?

Jezabelle macrumors newbie Original poster. Mar 18, 6 0. After the 7 pass erase shouldn't there be zero files? It shows 3 folders, 2 files, mb used. Is that normal?

Getting Rid of Your Mac? Here’s How to Securely Erase a Hard Drive or SSD

Did it not work right? Nov 28, 22, 27 located. What are those files and folders? Can you make a screenshot and attach it to your next post? GGJstudios macrumors Westmere. May 16, 44, Jezabelle said:. I did it to the free space and the whole drive. I have a pic but can't figure out how to attach it to the thread from my iPhone It doesn't say which files are left. Dangerous Theory macrumors Jul 28, 1, 28 UK. Isn't there an option for a 21 pass or something crazy like that? Must be there for a reason. Dangerous Theory said:. Ishmumrhmn macrumors regular.

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Feb 3, 0. There's a Guttman 35 pass. I suppose in the end it really doesn't matter because it's such a small amount of space, I just wanted to know what that space was being used for. It was only mb or so. Nov 13, 30 Spain. Intell macrumors P6.

Jan 24, 18, Inside. Is this usage being reported by Disk Utility? It's showing that the Spotlight and other system files are on the drive. HDD, and yes, that is what disk utility reported after the 7 pass erase. Dec 5, 3, It is there because in the beginnings they found that it is possible to guess previous states of bits on a magnetic disk. And because it is theoretically possible some people came up with those multi pass wipes. Yet there is to this day no technology that actually enables you to read out previous bit states reliably. Per bit that is.

Was done by a research team on some university. You need two bytes for a single UTF-8 letter. Now imagine how lucky you need to be to read out a whole email.

The increasing density of modern drives make it more and more difficult every generation. In conclusion it is pretty much impossible without some Alien technology to undo a single wipe on modern harddrives. My multiple personalities think you are crazy.

Prepping Your Mac For Sale

They say you need help. Arch Linux. Follow us on Twitter! Follow us on Facebook. Posted 23 November - AM.

Is 7 pass erase secure enough? - Internal Hardware

What is the point of more answers? If they contradict, they're no help to you and if they're the same, then it's only people saying the same things over again. Nobody was prepared to attempt it. Do that. Posted 24 November - AM. If you are worried, use the 7 layer wipe. I have tried recovering data from hard drives that were wiped by using a single pass with zeroing as a wiping measure. Even after 1 pass all of the data recovery software I had were incapable of recovering any data at all what so ever. That said, as mentioned: the military standard is 7 pass. If I had sensitive information I really wanted securely erased I would use 7 layer just to be safe.

The old saying is always better safe than sorry. Even if it is overkill peace of mind is worth the extra time. Posted 24 November - PM. How does it help getting 12 different answers, in comparison to 5 different answers? And if 12 people said single pass is enough, would you happily accept that, or always have the niggly feeling you should have done 7?

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How to Wipe a Mac Hard Disk Drive (HDD)

Click here to Register a free account now! Is 7 pass erase secure enough? Started by bovril , Nov 21 AM. Please log in to reply. Posted 21 November - PM It depends what you mean by required? Posted 21 November - PM bludshot is right. As many as possible please!

Posted 22 November - PM Seven pass is what the military uses, and only on mechanical hard drives.

How to Erase Disk in Mac OS X Disk Utility

Are you going to dispose of it by throwing it out?