Automatic speed limit cameras have a built-in OCR software to recognize license plate.

There is probably a match within a license plate database to identify the car owner in order to send him his fine to the right postal address…

A funny hacker has decided to launch attempt to hack and erase the database by replacing his license plate number by a SQL injection code.

No sure this will work, but the idea could raise other hacker attempts while recognition software are more and more used in combination with cameras…