Does copying files from one drive to another also copy previously deleted data from the drive one?

I have two external WD hard drives "My Passport". I am unsure if they are SSDs, so let this question be general if possible.

on "Disc 1" I deleted (right-click and delete – not any kind of secure delete) some "old… Continue reading Does copying files from one drive to another also copy previously deleted data from the drive one?

Is a Bitlocker encrypted SSD at risk when booting from another SSD in the same machine?

Let’s say I have a laptop with two different SSDs in it, each of them encrypted by Bitlocker, and each of them having their own unique Windows 11 installation.
If the primary SSD is encrypted with Bitlocker, and I boot up the secondary SSD… Continue reading Is a Bitlocker encrypted SSD at risk when booting from another SSD in the same machine?

In Linux, what encryption implementation approach is optimal given specific use & threat models?

Given the following use & threat models, what is the optimal encryption implementation? Optimal is defined as the approach best matching the use model.
Use Model

Computer must be optimized for performance.
Computer use will include s… Continue reading In Linux, what encryption implementation approach is optimal given specific use & threat models?