Hello.
I very curious as to how one would go about to exploit bollards by recreating the signal controllers send to lower them. I know public transport, ambulance etc. can lower the bollards whenever they want, unsure how though.
How do they work, do they have a controller that lowers them that somehow every bus and ambulance has? Can I catch and recreate those signals to lower the bollards for the time it takes a car to pass over them?
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from hacking: security in practice https://ift.tt/3IBlLQD
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