PGP Everywhere - PGP Everywhere is an iPhone / iPad app that allows you to utilize the security of PGP encryption anywhere you type, in almost any app!
ShareFile - Secure file sharing and sync
Homomorphic encryption - Homomorphic encryption by IBM allows you to perform computations on its encrypted data without first decrypting it.
Microsoft OneDrive for Business - First of all, we think it appropriate to make it clear for the readers, Microsoft OneDrive for Business is different from what is Microsoft OneDrive that is only a cloud storage and limited sharing service.
KETS Quantum Key Distribution - KETS Quantum Key Distribution service is a utility that allows future-proof, quantum-safe communications at ultra-low power in a low-cost Quantum Key Distribution chip.
Google Drive - Access and sync your files anywhere