INTERNET THREATS AND SCANDALS

There so many threats in internet happening in the world like hacking and scam.it also can cause a serious  harm to a computer system. A  threats is something that may or  may not happen ,but has the potential to cause serious damage. threats can lead to attack on computer system,network and more, I experience an online threats when i'm in high in my facebook account because I forget to logout may facebook in the computer.and when iwas online again i was surprised because my profile picture was different.and she posted pictures that were not mine.and she even chatted with my girl friend and she said nasty words.that is what i learned to be careful with your facebook account because there are people who who are rude even not to them.