Consumers are being warned to never give out their Pin after a fresh wave of reports about a "courier scam", which criminals have used to steal millions of pounds from victims in recent years.
Over 30 million people have received unwanted messages about claiming for mis-sold payment protection insurance (PPI), figures from a Citizens Advice survey suggest.
British consumers are being ripped off by scams and frauds to the tune of almost £7 billion a year, but official arrangements to protect them are "incoherent and fragmented", a parliamentary report warns today.