Everyone being online all the time, especially over the past few pandemic years, has been very good for criminals. According to the Federal Trade Commission, consumers lost more than $5.8 billion to scammers in 2021 through such a wide variety of ruses and boondoggles, it would take a library to describe them all.
Source: LifeHacker – 13 Persistent Online Scams (and How to Avoid Them)