Samsung’s Knox security suite has gained two new features – Private Sharing and E2E encrypted cloud backups. Here’s how they work. Private Sharing is a new option in the Quick Share menu. Just tap the “…” button in the top right corner and choose Turn on Private Sharing. This allows you to share up to 20 files at once with a total size of up to 200MB. You can allow only certain contacts to view the shared files and you will be notified when they do. You can also set a timer for automatic expiration of the shared data. Both settings (who can see the data and when it expires) can be...

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