DETROIT -

What is your child doing on the internet that you don't know about?

A new study shows 70% of teens are hiding their online behavior from their parents.

This research comes from a 2,000 person survey, which is pushing a product that helps parents monitor their kids online.

The numbers from the study are alarming:

43% of kids are accessing violent online content

32% say they are watching porn

12% say they've met strangers on the internet then met them in person

16% of teens say they're used their cell phones to cheat on tests at school.