♲ Klaus Weidenbach http://bit.ly/Wtr8Tu
Backdoor in Piwik download
The SVN repository seems to be unaffected, but you should check your installations.

Backdoor found in Piwik analytics software http://bit.ly/Wtr99O

The Piwik web analytics software’s server appears to have been compromised and has recently been serving a manipulated version of the software which gives attackers access to the server and surrounding system

Link http://bit.ly/Wtrb1B