Delete files in empty space

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Hello :)

I just scanned my Macbook pro harddrive using a Data rescue software and i saw that there were a lot of files i deleted long long back still turning up and i could recover the same if i wanted

That would mean that they are somewhere on the drive right.. is ther any way i can delete them cos basically its sensitive stuff and i wouldn want anyone accessing it in anyway not even data rescue...

Thanks :)
 

chscag

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Your Mac's Specs
2017 27" iMac, 10.5" iPad Pro, iPhone 8, iPhone 11, iPhone 12 Mini, Numerous iPods, Monterey
Boot with your install DVD and use Disk Utility to wipe free space. It will give you a choice of how many passes. Be aware, however, if you choose 3 or more passes and the drive has lots of free space, it can take a considerable length of time to complete.

And one more tip: Before doing the above, make a backup of your hard drive.
 

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