One fifth of teenagers say they have accessed inappropriate content online that disturbed them.
More than 10% admit to meeting up with someone they met on the internet.
A study by McAfee called the 'Digital Divide' looks at how teens are keeping their parents in the dark about what they do online.
Paul Walsh Vice President of Engineering in McAfee says that there needs to be more awareness of oversharing on the internet:
One in 10 admitted to posting revealing pictures online.
Report authors say more work needs to be done to educate teenagers on the risks associated with 'over-sharing' on the internet.
The study revealed more than 70% of Irish parents are concerned about their teens posting their home address online, and sharing other details such as their mobile number.
