Scams, cons, tricks and fraud - general information.
Get Safe Online provides a wealth of information about all manner of online scams, frauds etc. including identity theft and rogue apps. The site includes useful tools such as travel tips and a quiz to test your expertise.
The Metropolitan Police Service runs a series of useful web pages called Fraud Alert which contain information about a wide variety of scams, cons, tricks and fraud and how you can keep yourself safe.