Zerify Inc (ZRFY)

[Jtech]

COMCAST contract along with others were announced on 2011
http://www.marketwired.com/press-release/strikeforce-technologies-announces-signed-contracts-and-pilot-programs-otcqb-sfor-1518660.htm

one of North America's largest broadband internet providers -- offering StrikeForce's GuardedID® keystroke encryption anti-keylogging product to its clients as part of an integrated online security bundle;

I'm not sure if they still do but they did for sure. A quick search on the comcast forums verifies this.

I'm trying to find out as I type, waiting on an email.