Some good points have been raised and the first I suggest as well, change your passwords often.
Even if you have to write it on paper and store them somewhere.
If you see a legit Email placed into a spam folder, then send it to the inbox labeled as not spam but, don't click on any links from those placed into a wrong inbox on first attempts.
There are open exploits on out dated computer applications that can allow a multitude of infections and problems in...
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