Today, Facebook is the most popular social media site. Billions of people are using it as a communication to other people. And many people now reporting there account because they are hacked by another person, to get their information such as bank accounts, credit cards, even contact their friends to have a good by faking that there is the real user. how can we prevent this thing such as hacking our accounts? so today I'm going to give you some tips on how to prevent being hack by another hacker. What are the area's or the strategies of the hacker are using in order to hack your account? Hackers are focusing on the account that has low security such as a password that easy to known, facebook account that doesn't have email addresses or even mobile phone authenticator. and also they using some applications or sites that are called phishing apps or phishing sites where it looks like a legit site or application where you input your username or password or your information. some hackers are very creative and strategic on how they make appeal real that you won't recognize that it is a fake or phishing. but there are some hackers that have a very powerful intelligence on hacking that you cant prevent like brute force.those are some examples of how hacker work. In order to prevent this, First, you need a very strong password, like not close to your real name, have symbols and numbers that really not easy to guess. Second, you must have a valid email address such as google account or yahoo account, where you can verify your account. because it will help you to have access again your account if you forgot your password, or even change by someone and also it will give you a notification on what are things happening on your account. third, you must connect your mobile number or have a mobile authenticator. mobile authenticator helps you to prevent login your account to another smartphone or web browser. it will give a unique code to your mobile number use to login your account. Lastly, be careful what you click, not click on a site or messages that unusual or suspicious that may require you to input your personal details.