If you are close enough to a hard drive for a magnet to affect it, you are close enough to hit it with a crowbar.
Do I look like I can lift a crowbar and swing it around a few times 😣
You have a comically large magnet.
Strong magnets will flip bits in hard drives.
Not solid state media, though; now we know why the world is shifting to SSDs! It's all an AI Antichrist plot!
Though, I guess if OP's magnet is comically large enough, it could just physically damage the circuitry, and it won't matter. You're the savior we need, OP!
Not since like 2010. Unless you're still using spinning disks somewhere in an old NAS in a closet.
Well, okay, might also depend on your definition of strong.
If you are close enough to a hard drive for a magnet to affect it, you are close enough to hit it with a crowbar.
Do I look like I can lift a crowbar and swing it around a few times 😣
You have a comically large magnet.