7. Make sure you don't allow unauthorised users to the devise where your crypto wallets are logged in.
I believed the hardware wallet will have this function, once transactions have been done, it didn't leave any track on the device that you have used. It has a feature that protects itself even you used malware-infected devices. It's always advisable to use a hardware wallet for the safety of storing your crypto.
There are similar threads related to your topic and I think it's also useful if I drop it here.
I strongly believe when you do all these as a beginner, no one can hack you not to talk of stealing your Bitcoin.
It has been discussed so many times here how to protect your Bitcoin and keep it safe, if newbies will spend their precious time reading and gain knowledge in the forum, that is the best shield against hackers and there's always had advantages if you're knowledgeable enough even basic information how Bitcoin will work and how you will keep it safe.