The Office of Fair Trading is warning people not to click on e-mail attachments that could steal their banking details.
It's after a number of people on the Island were targeted by scammers this week.
The OFT says the e-mail looks helpful as the fraudsters say they've been sent people's personal details and ask them to open a document.
Chief inspector of Trading Standards John Peet says people need to be careful when opening emails:
Warning over parking suspensions for King's visit
Peel residents outraged over toxic powder spread near young gull
Commissioners tackle beach rubbish after online criticism
This year's bookings will be honoured, says closing venue
Noel tackles charity car wash for Autism Initiatives
TT legend's bike could fetch up to £55k at auction
Southern road temporarily closed this week
Number registered with GPs has risen by 1.7 percent