Is it possible to use a hacking device such as a flipper zero to take money from a bill changer? I own a car wash and someone emptied the machine without lock picking or destroying it.is it possible that the machine was attacked electronically or hacked? How do you protect yourself from such attacks?
I don’t think so?
Still, make sure that it’s running the latest firmware, that it’s properly configured, and get some CCTV cameras installed.
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How do you know they didn’t pick the lock?
What kind of locks?
There are very few locks that are actually pick resistant or pick proof
I fear the possibility you have a tubular lock on that machine
Can you post a picture of the machine in its natural habitat?
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I’ve picked a half dozen of these with a 9$ pick set on Amazon in about 30 seconds with no training.
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Tubulars? Yea I know they are shit, I’m just theorizing that’s what OP has and thinks they aren’t lockable because of the marketing
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I believed the marketing when they first started appearing (God I am old) until I managed to open one with a hollow pen.
I can’t believe they put them on anything that needs securing, particularly portable gun safes…
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I’m rather interested to get a picture of the setup, to see how quickly our resident lock sport peeps figure out an attack vector,
There IS a chance ofc because internet in general that op simply wants to use a flipper as an attack tool 
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Maybe … But surely the first YouTube Video you pull up on tubular locks means you are taking the innards out of a pen and jamming it in the lock. I know it doesn’t work on all, but it seems to work on most.
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Depending on the hardware and software used, a car wash is definitely vulnerable to a flipper and even a old-skool EMP attack. Further information would be helpful 