If hacking tools are outlawed, then only outlaws will have hacking tools. Meaning if you're a software developer or system admin in the EU, you better be on standby 24/7 to combat 0-day exploits.
I find myself quite torn by this statement, because while I dont think hacking tools should be illegal, this is the exact same argument pro-gun people make, and i'm quite anti-gun (I'm from UK). Then again, in America drug paraphernalia is illegal but in the UK its not and i personally dont think you should be locked up for having a bong because theoretically you might only use it for tobacco. Anyway, personally i'm…
Laws aren't going to affect hackers off in Romania and Russia and China and the NSA/CIA.
But studying the code and testing it is overwhelmingly the best, and likely essential way to understand how to protect against security threats.