Yes, there are a LOT of them, and they are constant [especially if you use a lot of software]. But update anyway – MDS Tech suggests starting updates before you go to sleep, so you are not aware of how long it takes.
Seriously – update. You’ll save headaches!
Turn on MFA/2FA – i.e. that thing where you get a text with a code when trying to login to an account.
Turn that on where you can – no, it is not perfect, but it is a bit like adding another lock on the door so the “bad guys” can’t get in.
This is some advice that has changed over the years. Using three random words is FAR more secure than using just a few letters or numbers, and MUCH harder to guess. Some examples of decent passwords:
FredGeorgeLIzrds [note the deliberate misspelling!]
Some website will require numbers, special characters like a period or an exclamation point, etc. The common theme here is to mix up type [upper case, lower case, number, characters] and make it as long as practical. 12 characters is far more secure than 8. 24 characters might be too aggravating to type in!