[Cryptography] Ex-CIA Joshua Schulte Describes His Data/Crypto Hiding Prowess

[Dave Horsfall]

On Mon, 2 Mar 2020, Stephan Neuhaus wrote:

>> (And even then, overwritten data can be recovered.)
>
> Can I ask you what your evidence for that claim is?

This has been known for years; do some simple research (I'm not going to 
do it for you, so think of it as homework).

The only way to destroy data on disk is with an angle-grinder, or a 
furnace.  Or both...

-- Dave