The word "Threats" might be confusing because of many associated topics like cyberbulling, trolling and many differents, but actually it's not only this. Being irresponsible ininternet society is also a kind of Threat.
Irresponsible activites like clicking on malicious links or giving your sensitive data to strange people, might steal important information about you and your family which may cause loss of money.
To prevent this sort of situations from happening, there are TWO main rules to follow:
1. Don't click on weird looking link and check if near "http" is 's' like: "https...".
2.Don't tell anyone your creditcard number.