It is easy for criminals to attack fixed-code garage and gate remote systems, according to security researchers. Using a technique known as a replay attack, someone could listen to the remote’s ...

If your remote has been lost and you are worried about others getting access to your garage, reprogramming a replacement remote renders the lost one useless.

The code is available within [serverframework]’s excellent write-up, and you can see a tiny demo after the break. There’s more than one way to clone a gate remote.