A search for Jessica Biel's topless screenshots from the film "Powder Blue" will likely leave you with more than you were looking for, namely in the form of computer viruses. Biel topped this year's list of the most "dangerous" online celebrities as compiled by McAfee.

According to McAfree, searches for the 27-year-old actress are more likely to spread viruses than any other star. There is a one in five chance that looking for information, wallpapers, images, and videos of Jessica would lead users to a website designed to cause damage.

So who else is dangerous? Here is the full list:

Here is the full list:

1. Jessica Biel
2. Beyonce Knowles
3. Jennifer Aniston
4. Tom Brady
5. Jessica Simpson
6. Gisele Bundchen
7. Miley Cyrus
8. Megan Fox
8. Angelina Jolie
9. Ashley Tisdale
10. Brad Pitt
11. Reese Witherspoon
12. Britney Spears
13. Rihanna
14. Lindsay Lohan
15. Kim Kardashian