VMware has confirmed that source code for one of its products has been exposed online.
The company said that it became aware of the code on 23 April, and has confirmed that it is from its VMware ESX product, which is used by enterprises to run virtualised environments
http://www.zdnet.com.au/vmware-source-code-stolen-339336683.htm
http://blogs.vmware.com/security/2012/04/vmware-security-note.html