Is using Dropbox, Google Drive, or Microsoft OneDrive for storing cloud wallet (.cwlt) files secure?

As far as the security of your data, this seems to always be a balance between security and convenience, which is why we still offer the local Wi-Fi sync methods for people who don’t want to use the cloud.

Here’s a link to security information on the Dropbox site: Is Dropbox safe to use?.

And here’s security information on Google Drive: How Drive protects your privacy & keeps you in control.

And for Microsoft OneDrive: How OneDrive safeguards your data in the cloud.

In addition to that, the Cloud Wallet file format (extension .cwlt) contains a normal wallet file (.wlt file) that is compressed for faster, less expensive data transmission and encrypted for enhanced security.