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Charity Children 1st said it is important parents and carers educate themselves about the internet so they are "aware of the potential hazards and able to talk to their children about staying safe."
Alison Todd, director of services at Children 1st, added: ''They should encourage their children to speak up if they feel upset or threatened by anything they encounter online and advise them to restrict the amount of personal information they post.''
The NSPCC said the death of 17-year-old Daniel Perry appears to be "the first time we have really seen extortion happening, via the internet, of a young person".
NSPCC policy analyst Claire Lilley continued: "Children and young people love the internet to learn, explore and connect with people like them all over the world.
"But it's about teaching them that not everyone is who they say they are and teaching them how to respect one another in terms of their behaviour online."
If you are in distress and need some support, the Samaritans are available 24 hours a day on 08457 90 90 90 or click here for their website. For those in the Republic of Ireland 1850 60 90 90.
Daniel Perry posted a tweet on the day he committed suicide asking his followers to contact him on Skype.
The 17-year-old, who jumped from the Forth Bridge in Fife after allegedly being blackmailed online, wrote "skype me" and posted his Skype details in the 15 July tweet.
Scotland's minister for young people has offered her sympathies to the family of Daniel Perry, who killed himself after allegedly being blackmailed online.
Aileen Campbell said:
A teenager who killed himself after allegedly being blackmailed during a Skype chat had previously been urged to commit suicide by anonymous users on the social media website Ask.fm, it has been reported.
Daniel Perry, 17, was reportedly bullied on Ask.fm about three months before he died.
The case follows that of 14-year-old Hannah Smith in Leicestershire, who took her own life after she was allegedly bullied on Ask.fm
A teenager is said to have committed suicide after having Skype chats with someone he believed was an American girl his own age.
Daniel Perry, 17, was reportedly told by blackmailers that their conversations would be shared with friends and family unless he paid up.
The teenager, from Dunfermline in Fife, jumped off the Forth Bridge on July 15 - reportedly less than an hour after being blackmailed.
Police Scotland confirmed that officers are investigating the circumstances surrounding his death.
The mother of a Scottish teenager who committed suicide after allegedly being blackmailed online described him as "the last person who would take their life”, the Daily Telegraph has reported.
“Knowing him as I do, he has thought he's let everybody down," the boy's mother reportedly told the paper.
"He was a happy laddie, not depressed and the last type of person you would think would take their life."
The Telegraph says the 17-year-old took his own life after someone posing as a teenage girl told him he would be "better off dead" if he failed to give them money.
Police are investigating claims that a teenage boy from Fife killed himself after being targeted by online blackmailers, BBC News reports.
The 17-year-old is believed to have fallen victim to a scam where internet users are lured into online chats and then blackmailed with the footage.
The teenager, who took his life on 15 July, is said to have believed he was talking to a girl, but was later told that the conversations would be shared with friends and family unless he paid up.
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If you have shared something online that you wish you had not, there is a wide range of help and advice available to help you out.