Thank you for posting the exchange.

"A: We are definitely thinking about how we effectively detect rootkits and prevent them from getting on users systems, along with other forms of malware, as part of our overall security strategy. This will be an ongoing battle with malicious software authors much like viruses and spyware are today. Our research group has been doing great work here over the past year in coming up with the strategies and technologies that we can use in future security products to help customers."

Ack!