Think before you tweet and how you share information
Again, the principal risk is ID fraud. Trawling for personal details is the modern day equivalent of "dumpster-diving", in which strong-stomached thieves would trawl through bins searching for personal documents, says Symantec's John. "Many of the same people who have learned to shred documents like bank statements will happily post the same information on social media. Once that information is out there, you don't necessarily have control of how other people use it." She suggests a basic rule: "If you aren't willing to stand at Hyde Park Corner and say it, don't put it on social media.