His father noticed that Kristoffer logged in as his Xbox Live account to play video games that he wasn’t meant to be playing and asked how he had done it.
‘I was like yea!’, Kristoffer said
“How awesome is that!, Just being 5 years old and being able to find a vulnerability and latch onto that. I thought that was pretty cool.”
Microsoft awarded Kristoffer, the junior security researcher with $50 bugs, some amazing games, one year’s free subscription to the Xbox live and they listed his name on the their website.