Whilst the original Sting glowed blue as a defensive alert, Spark’s “WarSting” is all about aggression. The project hacks a toy Hobbit sword and teaches it to glow blue when vulnerable WiFi ...

Of course, glowing blue every time the sword picks up a WiFi network would not be terribly useful, and so the makers behind WarSting tossed in a provision — the network must be unsecured to make ...