Mostly they don’t have to break them as they have the source code and know how they work. Some have backdoors built in.
The vast majority of encryption is done using well known algorithms. Those geeky kids have all the tools they need to do a brute force if necessary.
I’ve watched a developer from China break 3DES 256k. Thats the standard for most financial institutions and many govt agencies.
Well, I was going to leave a little mystery to it but you’re right. Never
ever think anything you do electronically can’t be compromised.