Knowing the site URL would help.
The message appears when BF3 battlelog tries to sync local content with Origin cloud data.
Please fix this or Mcafee is gone from this computer. And certainly, would not have a kind word for their products on any forum.
The IP address is an Amazon server, and TrustedSource is flagging it as High Risk. The address occurs four times in http://form.cyscon.de/secret/byas.php?asn=16509 which may be one of the TrustedSource feeds.
You might get an explanation or a rating reset by contacting TrustedSource direct. Details of how to do so are in this document.