Tarsnap - free open source command line utility syncs your AES encrypted files to a server that deducts funds from your prepaid account based upon your bandwidth and storage use. Looks like the desktop client is closed source. Desktop application is available for Linux, macOS, and Windows operating systems mobile app available for Android and iOS. Spideroak One Backup - Syncs files across all your devices. Restic - Free open source command line software that supports Amazon S3, Backblaze, Microsoft Azure, Google Cloud, any service rclone supports. Rclone - Free open source command line program to sync files and directories to and from over 40 cloud storage providers. A very mature project, but command line only.ĮncFSMP - Free open source software that enables OS X and Windows computers to use EncFS encrypted volumes. It encrypts files in blocks so that the storage provider doesn't even know how many files you have backed up.ĭuplicity - Free open source software that supports 20+ cloud providers. Supports over a dozen cloud storage providers. Supports Dropbox & Google Drive, encrypts each file individually using AES.ĭuplicati - A free, open source, backup client that securely stores encrypted, incremental, compressed backups on cloud storage services and remote file servers. Appears to be Windows-only, hasn't been updated in years.Ĭryptomator - Free open source software with multi-OS GUI support. Appears to be closed source.Ĭipherdocs - Free open source software that supports syncing GPG-encrypted files to Dropbox and Google Drive. Only supports remote backups to servers for which you have SSH access.īoxcryptor - Supports 30+ cloud storage providers. All data can be protected using 256-bit AES encryption. The ContendersīorgBackup - Free open source command line software. The cryptographic tools to do so exist, we just have to use them correctly for our own benefit. But today we have the technology to send our data to third parties who specialize in highly redundant storage without having to trust them not to snoop. This could happen due to a malicious employee or perhaps the company could be coerced into sharing your data by agents of a nation state.įor many years I've diligently and painstakingly made physical backups of my data, never sending that data across the internet due to fears of what might happen should it end up in the wrong hands. The provider itself can, of course, decrypt and view all of your files. Sure, most cloud providers encrypt your files while they're transferred over the internet and after they're stored, but this only protects them from external attackers. How is the average user supposed to protect their data from attackers and from any forms of loss due to natural disaster? In the information age our data has become more and more valuable, yet it seems harder and harder to protect. Today we learned that Apple dropped plans to let iPhone users fully encrypt backups of their devices in the company’s iCloud service after the FBI complained that the move would harm investigations.
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