Security is paramount at Cloudsmith, and we take pride in taking every precaution to secure the service. All communication and storage is encrypted in-transit and at-rest (with 256-bit or hardware-based encryption). Checksums and GPG signatures are provided to detect tampering. For increased trust you can also provide your own GPG key for signing.
Private/internal repositories limit package access to authorised clients and users, without sharing packages to the world. If you need internal software distribution mechanics, or if you want to support license-based software distribution, then private repositories facilitates these.
Collaborate securely with other users in an organisation with no per-seat pricing - In other words, there is no limit to amount of users/seats within an organisation (and no limit to number or size of teams).