Introduction

What is the Cloud?

There is no cloud. It’s just someone else’s computer.

Mobile devices and cloud storage fundamentally changed the way we work with files. Files must be available on all devices and for everyone who needs access. Providers, such as Dropbox, OneDrive or Google Drive, fulfill this need by organizing the storage of your files for you. They store your files on their servers, and sync them to every connected device.

While the cloud offers many advantages, such as automatic backups or a reduction of costs for hardware, you pay with losing control over your data. Everyone who has access to the cloud provider’s server can read your files.

What is Boxcryptor?

Boxcryptor provides a user-friendly, additional layer of security for cloud storages by encrypting files locally on your device. Since Boxcryptor was optimized for the cloud from the very beginning, the encryption takes place on every file and access can be shared. This means that every file is encrypted independently from the others. Additionally, typical cloud storage features, such as file history or selective sync, are supported.

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What Boxcryptor is Not

  • Boxcryptor is not a cloud storage service. It is a security software that adds a security layer to the cloud storage of your choice. Therefore, Boxcryptor does not store your data. The responsibility of storing and managing your files lies at your cloud provider.
  • Boxcryptor is not a sync client, which means that Boxcryptor on Windows or macOS does not synchronize your files to the cloud. This responsibility also lies at your cloud provider. Therefore, you have to install your cloud provider’s software on your device.
  • Boxcryptor is not designed to secure arbitrary cloud services. Services such as Google Docs or Evernote do not work with locally stored files, but store the data directly in databases on their servers. Boxcryptor can only encrypt files – your files that you store in your cloud – not services.