I think parking signs are a rather low risk target. Insecure traffic lights could be potentially dangerous, especially combined with other attacks. Rule of thu

I think parking signs are a rather low risk target. Insecure traffic lights could be potentially dangerous, especially combined with other attacks. Rule of thumb: If there is no Hollywood film where a terrorist attacks your target, probably neither will a real terrorist. Also obligatory xkcd: https://xkcd.com/538/ https://xkcd.com/538/