Silent Circle is a global private communications service headquartered in Switzerland, providing a revolutionary device to device platform enabling private and secure communications via voice, video, text and file transfer on mobile devices. Silent Circle was co-founded by Mike Janke, former Navy SEAL and security expert; Phil Zimmermann, the world famous creator of internet encryption for voice and data and 2012 inductee into the Internet Hall of Fame; and Jon Callas, creator of Apple's whole disk encryption and co-founder of PGP Corporation.
| Date | Amount | Type | Investors | Valuation |
|---|---|---|---|---|
| 05/21/14 | $30,000,000 |
Cain Capital Ross Perot Jr. | undisclosed |
