Silent Circle, a company that sells mobile phones and apps designed to thwart government surveillance, said on Wednesday it has raised $30 million in financing in a round led by Ross Perot Jr. and private investment fund Cain Capital LLC. The company sells apps for Apple Inc’s iOS and devices using Google Inc’s Android operating systems that encrypt phone calls and texts. It also offers secure video conferencing for machines running Microsoft Corp’s Windows software. Silent Circle was founded by former Navy SEAL and security expert Mike Janke, Internet encryption expert Phil Zimmermann and Jon Callas, creator of Apple’s whole disk encryption system.
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