Question about WD Red Plus

That is difficult to say. WD Red are designed for continuous operation. They are probably more sensitive to switching on and off. But for pure fail-safety, this is probably still the best choice. If you want to focus on security, I recommend a RAID 1 with two WD Blue. RAID 1 always writes to two hard disks in parallel. If one fails, everything continues without interruption.

Yep. The best security is ALWAYS a backup, even better: a RAID system and a backup. The encryption Trojan directly encrypts both disks in RAID1...

Security is not optimised by a better hardware part....nie nie nie