With more popular cryptocurrency, hackers target right now is cryptocurrency. Its true we should be carefull with our wallet because if we dont, we can lose our investment. The important thing is always keep our private key safe and if more possible, we using hardwallet
Yes, cryptocurrency is becoming more popular right now and of course more hacker will come to hack wallet especially wallet with many tokens and you can see it, there are many exchange being hacked by hacker. The newest one is bancor exchange, get hacked last month on july. So just to be careful, stored all your coins on your own wallet.