Comcast announced in May 2007 and launched in September 2008 a dashboard called SmartZone. Hewlett-Packard led "design, creation and management". Collaboration and unified messaging technology came from open-source vendor Zimbra. "SmartZone users will be able to send and receive e-mail, listen to their voicemail messages online and forward that information via e-mail to others, send instant messages and video instant messages and merge their contacts into one address book". There is also Cloudmark spam and phishing protection and <answer>Trend Micro</answer> antivirus. The address book is Comcast Plaxo software.
Smartzone used what company's antivirus protection?
Trend Micro