You forgot to white:
1.Don't click on suspicious links (newbie links),
2.Don't download brand new wallets from new projects before you can review Virustotal.
3. All accounts can be hacked and this is very hard to notice, strange behavior mostly is noticable.
4.Don't share your personal infoes.
5.Do not trade without third trusted party included.
6.And most of all do not be naive! All scams are commited with ortunistic promisses with much help of a greed..
Thanks for suggestions,some of your points are added to the article.