British-Israeli startup Sirin Labs today launched 'Solarin', a smartphone that the company claims to be the world's most secure. Priced at $14,000, it includes military-grade encryption and a physical security switch that activates a shielded mode to make secure calls. Powered by Snapdragon 810 processor, Solarin comes with a 5.5-inch display, a 23.8 megapixel camera and quick charging technology.