See the top comment in this thread: Target #2 [IPv6] gives aways 90% of the game at attacking it (we even leak some device specific information, so you know pr

See the top comment in this thread: Target #2 [IPv6] gives aways 90% of the game at attacking it (we even leak some device specific information, so you know precisely where it's weak points are) You may not consider Mac address to he important, but the context of this conversation did bring it up. Of course they forgot the fact that most v6 addressing doesn't expose Mac addresses anymore.