PHILADELPHIA, Pennsylvania, Aug. 19 -- Comcast, a cable television company, issued the following news release:

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Comcast Launches Xfinity Shield, Redefining Intelligent Home Protection

First-of-its-kind platform transforms Xfinity WiFi into an always-on layer of cybersecurity, physical and family protection for tens of millions of homes and devices

Available to Xfinity Internet customers at no additional cost

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