Is Internet dangerous? Well, yes we know all the hazards of spending all the work hours behind monitor screens, browsing the web at home, doing social networking, playing online games, watching YouTube, staring at smartphone little displays or for whatever reasons we sit above our keyboards most of the time every day. That's indeed what we first think of all the negative aspects of mighty global network, but today I am not referring to all the potential medical issues inherited from too long sitting on the chair or everyday looking into LCD screen. I also don't mean the obvious social and/or physiological outcomes from letting the virtual world to take over the real one for more and more people every day. No, I mean the real danger. Did Internet overcome the pure network system and became a tool for mass destruction or a background tool for criminal activities? Can someone use the internet to hurt somebody or to perform a murder? Either directly or indirectly? Can some organisa