For those who don't know or are addicted to browser extensions you need to be careful because many browser add on are dangerous and they can steal data and keys from your PC, the latest dangerous extension is Ledger chrome extension which is fake, this add on does nothing than steal your backup recovery phrase
The source is right below
https://nulltx.com/fake-ledger-chrome-extension-causes-major-problems/amp/These security risks are becoming more and more prevalent theses days as the technology advances. The thing here is that your absolutely correct about beeing more careful. On android the "Google PlayStore" is a pretty secure place to download apps. So I think that by using my smart phone all throughout the day some of my lazy downloading habits from android tend to rub off onto my PC use when using downloaded browser extensions. It's a new year and I really should be practicing my due diligence better.