Apps such as RingGo allow the user to pay for their car parking using a smartphone. Photograph: David Levene/The GuardianYou use parking apps a lot – you have several on your phone – but it is not always straightforward. So when you receive a text from RingGo saying you owe it money, you are not totally surprised. "The link is key because it sends you to a counterfeit page that almost mirrors the real RingGo site. As is the web address, which bears no relation to the real RingGo site.