The advent of the digital age has created more opportunities for theives to take advantege of the general public in a couple of ways at least:
1: Skimming your Credit and debit Cards while their are in your pocket using a device that reads the contactless chip.
2: Scanning and copying your Contactless Car keys while they are either in your pocket or hung up in your house.
However, all is not lost, there are ways to prevent these types of thefts happening with just a little effort, although there is some cost.
A bit of theory:
The Faraday cage (named after Michael Faraday one of the pioneers of electricity) is effectively a screen which prevents radio waves from passing through it. So the way to stop both these types of thefts from happening is to use the Faraday Cage principal.
Cards: a few ways to prevent the skimming:
Car Keys: A couple of ways:
Effectivness of your Safe/Box:
To test your safe, place a mobile phone inside , then call it and see if it can recieve the signal.
Obviously there is a cost for these prevention techniques, all the products shown can be purchesed from Amazon.