The number one rule is not to allow other people look at your at your account or they might still information that is a important.And don't receive random phone calls at home and when your driving.
Don't click on random links first search it on Google and check if it's real you might get viruses.
Don't share your password with nobody even family members.Don't give it to your best friend if they gave it to you.
Don't post bad pictures on Facebook,twitter etc. People might go on your account and share it with there friend who would share it with there friends.
Put a piece of paper or a sticky tack.Because some people hack into your webcam and look at you.And what you are doing in your bathroom.
Don't share all your information like where your going and and your going to a party.Don't share because other people might rob your house. Because they knew you were going to somewhere on the weekend.
Don't click on pop up adds rats might come in your computer and hack all your information and private information.They could send bad pictures to family members and friends.
Never take bad pictures and delete them there are always there some people might hack in your phone.And blackmail you.So never take bad pictures on your phone.
You need to know never share nothing with your kids.They might press random things that could give away private information.Even if there are your kids.
Never believe cyber bullying because many people that cyber bully hurt other people feelings and makes them sad.So don't believe other people that cyber bully believe in yourself.
Don't go on websites that look kinda the same be safe.Like if a website looks like edmodo then be careful and check again.
Don't download free music games and other stuff.That is bad just pay for it do not download free stay safe.