What is risks are presented by the online world?

well alot of it is people prettending to be something else weather it be a sexual preditor tring to get peoples intrest by prettending to be someone else, there are also people who will prettend to be selling something so that you will send them money, there is also alot of false information online and it is an easy way for people to find out alot about you, if you put a picture on the internet it will always be there and people could use it for what ever they wanted.