You might want to think twice before searching for Emma Watson on the internet. There are other stars on this year's list to avoid.
McAfee has named Watson the most "dangerous" celebrity to search for online.
Many web sites use Watson to trick internet users into downloading malicious software or to steal personal information.
So, when searching for Emma Watson, there's a one in eight chance of you landing on a malicious web site.
Other celebs among the riskiest to search for online include Jessica Biel, Selena Gomez and Halle Berry.