Re: [GTALUG] Securely wiping SSDs

2024-03-24 Thread Ron / BCLUG via talk
Giles Orr via talk wrote on 2024-03-23 07:50: I have, for many years, used "Darik's Boot and Nuke" on a USB stick to securely wipe spinning hard disks. It takes a long time, but I mostly understand and trust the process. I'm going to take a contrarian stance and suggest that the best way is

Re: [GTALUG] Securely wiping SSDs

2024-03-24 Thread David Thornton via talk
I grilled my local hardware security friend who said you should never trust the secure delete feature in ssd . In general it has been found insecure. As mentioned the "Large grinder" seems like the only way to be sure. On Sat., Mar. 23, 2024, 10:50 Giles Orr via talk, wrote: > I have, for many

Re: [GTALUG] Securely wiping SSDs

2024-03-24 Thread D. Hugh Redelmeier via talk
| From: D. Hugh Redelmeier via talk | Some disks have a feature where they have a key that encrypts every block. | The key persists in the drive. But if you want to wipe the disk, you | change this key. Then every block is nonsense until it is rewritten. | I haven't got time to look up the

Re: [GTALUG] Debian Live Linux -- Change Overlay Filesystem -- From Tempfs Ramdisk To Hard Drive ?? [was] Re: Debian Live Linux -- Overlay Filesystem -- Where Allocated ??

2024-03-24 Thread Steve Petrie via talk
Ivan, Your helpful link is very timely. While clearing out stuff, I found two (2) long forgotten 1 TB external USB hard drives. So instead of buying a SATA hard drive to add to my Debian linux PC, to achieve live boot root filesystem persistence, I'm going to try following the

Re: [GTALUG] Securely wiping SSDs

2024-03-24 Thread Dave Collier-Brown via talk
From academic papers: dd was found to work on local devices in article 1, remote wiping of phones was found to be immature/buggy in 2. 1. Secure State Deletion: Testing the efficacy and integrity of secure deletion tools on Solid State Drives, M Freeman, A Woodward - ro.ecu.edu.au

Re: [GTALUG] Securely wiping SSDs

2024-03-24 Thread Dave Collier-Brown via talk
On 2024-03-23 22:25, James Knott via talk wrote: On 3/23/24 22:02, Anthony de Boer via talk wrote: And on disposal, the golden standard has always been physical destruction. I don't know if it's been mentioned, but what about the shred command? Quite good for rotating magnetic drives that