Stellar Security is a provider of next-generation modern technologies to enhance your communication and devices with high-end security and privacy solutions. A smooth design with solid hardware built on StellarOS. The Stellar Phone is slick and packed with just the right security features. Create notes effortlessly, lock them securely. Your thoughts, your privacy. Simplified. Stellar Security is a provider of next-generation modern technologies to enhance your communication and device with high-end security and privacy solutions.