There are lots of tricks and suggestions that you can follow for this things like:
1:If anyone demanding your personal information like your full name, email address, residential address, mobile number, credit card or bank account number or user name or password then first find out how and where it's going to be used and how it will be protected before you share it.
2:Read carefully all the rules and regulations before submitting your personal information and make sure that it’s receiving safely by receiver or not by concern with your receiver.
3:Don’t present or prompt your personal information like username or password and credit card number. And if happens then change yurt password or block your credit card immediately.
4:Keep your computer or laptop virus and spyware free, for that keep updating your antivirus.
5:Don’t reply to the emails which are offering you a large or small money prizes or gifts, there might be chances are including viruses or maybe they are taking your personal information by that email.
6:Always keep maintain your operating system m and internet browsers properly, if not the there chances of information leakage from your computer.
7:Don’t forget to logged out any of your account while leaving your system there chances of misused by other users.