Since this is most likely a script kiddie assuming nobody cares enough about you to deliberately target you, If it was my company I would 1) lawyer and 2) Ask h

Since this is most likely a script kiddie assuming nobody cares enough about you to deliberately target you, If it was my company I would 1) lawyer and 2) Ask him how he did it, most script kiddies would love to tell you how awesome they are, 3) fix the problem 4) give him a couple BTC under the condition that he blog anonymously