Shocking footage shows how easily thieves made off with a BMW from a driveway, using technology from the dark web.
CCTV captures two men arrive with a gadget which can pick up and amplify the signal from the actual key fob.
One of them holds it close to the front door and windows, trying to pick up where the key is being stored.
It picks up the signal and transmits it to a gadget held by the other thief, which unlocks the car.
In less than 60 seconds of the video, the key is activated and the security system of the car is bypassed.
This theft is one of four to take place in north London recently, MailOnline reports.
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The owner, a father and businessman who wanted to remain anonymous, told the paper he had only bought the car a month ago.
He said he woke up to the sound of the engine starting: ‘I knew someone had started my car and I went to the window.
‘I dashed down straight away and it was gone.’
BMWs are started with the push of a button rather than turning a key, so they can be ‘hacked’.
These kind of thefts are becoming more common.
Detective Sergeant Pete Ellis told the Evening Standard: ‘This technology used to be confined to more high-end vehicles but it is becoming more widespread and therefore there is a potential for “relay attacks” to become more common.’
How to protect your car
Store your key in a container lined with metal to stop thieves being able to pick up the signal.
Keep them well away from the front of the house, as if they are by the front door for example it will very easy for the gadget to pick them up.
Turn off the radio signal on the key if possible. With Mercedes cars, you do this by clicking it twice.