Encrypted TMbackup

[zoran]

I have a TMbackup which isn’t encrypted and it’s about 450GB. Can that backup be set as encrypted?

 

[BrianBaughn]

After reading the below-linked Apple support page do you have any further questions?

Keep your Time Machine backup disk for Mac secure

There are several ways to keep your Time Machine backup disk secure.

support.apple.com

 

[zoran]

How can I check to know if a TMbackup is encrypted?

 

[Mike Boreham]

Disk Utility will show you:

 

[zoran]

What exactly are encrypted drives? Are they drives that are not viewable in finder? Something else?

 

[Mike Boreham]

Encrypted TM drives are still viewable with Finder on your mac. If someone stole your TM drive and it was not encrypted they could access your data.

This article covers the basics of why and how:

https://www.macworld.com/article/353731/encrypt-time-machine.html