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Re:How secure is merely TRIMing all of a SSD's blocks? by fdeee on Wednesday March 08, 2023 @10:19AM (#35070040)
Not really. HDD recoverability is a myth, anything overwritten isn't coming back with modern HDDs. Bits can't "bleed out" anymore, density is far too high for that.

The thing you need to guard against is relocated/reserve sectors, in HDDs same as in SSDs. The proper way to do this is full disk encryption, and if that's not possible, physical destruction.

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