Everyone is afraid of them, we should not think that hackers are only interested in big profits. More often than not, they attack unprotected or weakly protected, Intrusive home computers connected to the Internet. Attack can come from within, from a spy program that infiltrates your computer, for example, as an attachment to a spam email. Having gained access to the system, they steal sensitive data or install malware. They also use compromised computers to send spam.
yes you are right, everyone is afraid of hackers, the most feared is when they can get all our personal data, from that data they can get the identity number even to the credit card they can get if all our personal data is taken by them. because most of us make passwords related to our personal identity. therefore routinely expected to change the password, and do not forget to update always antivirus especially related to web / online.