There are reports that 2 million Facebook, Gmail and Twitter passwords have been accessed through a massive computer hack.
Researchers at Trustwave say the data breach was the result of Malware installed on computers.
The virus captured login credentials for about 93,000 websites over the past month. They were connected by at least one server in the Netherlands and controlled by the thieves.
Analysts suggest people update their anti-virus software and download the latest version of internet browsers to help secure their data.