THE PSNI are advising the public in Derry to safe online and look after their personal security while social networking sites such as Facebook.
A spokesperson said: “Always make sure that you know who you are talking to online especially before sharing personal information or agreeing to meet someone.
“It is easy for someone to misrepresent themselves online.
“If you are contacted by someone that you do not know please do not respond to them, inform a trusted adult or speak to us.”
Share this post with friends and family so they can protect themselves and their personal security information from hackers.
There are criminal gangs all around the world using social media to target innocent people in a bid to steal their personal details and use that to try and access bank accounts or use in other scams.