Wait! What does that link say? If it is a link to pictures of Emma Watson save yourself a headache and don't click. Chances are that it is a virus or some other malicious junk. According to McAfee, the internet security firm, Emma Watson is 2012's Most Dangerous Celebrity on the internet.

So, if you are searching for pictures of Hermione you have a one in eight chance of getting burned according to McAfee. People who are looking to steal personal information or spread viruses follow popular trends and use celebrity names to attract victims.

To protect yourself McAfee says to beware of anything that asks you to download anything before you can see what you want. And free is not always free.

"Free downloads are significantly the highest virus-prone search terms. Anyone searching for videos or files to download should be careful as not to unleash malware on their computer."

The top 10 celebrities from this year’s study with the highest percentages of risk are:

1 Emma Watson

2 Jessica Biel

3 Eva Mendes

4 Selena Gomez

5 Halle Berry

6 Megan Fox

7 Shakira

8 Cameron Diaz

9 Salma Hayek

10 Sofia Vergara