Interesting article at Arstechnica, about a malware that encrypts files and demands ransom, including bitcoins.
I'm not sure if this belongs in the Service discussion, moderator feel free to move it.
http://arstechnica.com/security/2013/10/youre-infected-if-you-want-to-see-your-data-again-pay-us-300-in-bitcoins/PS. Sorry, didn't notice someone posted it first.
And I don't know how to delete the topic, the site doesn't allow me to.