Social media users must "always be aware of who is listening in" if they want to share personal information with those close to them, and avoid potentially dangerous situations, according to an expert.
Rob Macpherson, from the think tank Demos, told Good Morning Britain the "onus" was on the social media user and urged them to keep any personal data vague so thieves could not use it to their advantage.
More top news
Australian businessman named as Alan Sugar's newest apprentice and winner of a £250,000 investment in his fledgling company.
The 270 victims of the Lockerbie bombing have been remembered today, 26 years to the day that they lost their lives in the air disaster.
Actress Billie Whitelaw, who starred in films including The Omen, has died aged 82.