https://www.cnet.com/news/ces-2019-comcast-launches-ai-powered-online-security-service/ > Comcast's new xFi Advanced Security service will be available in Q1 2019 to Comcast customers with an xFi Gateway. The service is available for $6 per month or as part of a package, depending on your market. You can also add it directly from the xFi app.  > CES 2019: See all of CNET's coverage of the year's biggest tech show.