The popularity of bitcoin is increasing, especially after this pandemic, many people are trying to keep getting money in this difficult time. many people have come to know bitcoin and cryptocurrency in general after doing a search for "how to get money from the internet", right?
this is a good step, but it needs to be studied more deeply, remember that knowledge is power.

In the article that you linked to, several types of wallets have been explained and their level of security. There are also tips for keeping your online wallet safe by keeping internet access safe, avoiding phishing, etc.
My advice, if you are involving large funds, use a hardware wallet.
unfortunately, most newcomers don't care about the security of their wallets, so it's easy to get caught in hacking, even though it's because of their own carelessness. it is necessary to understand the risks and how to overcome them in order to adapt well.