Worried about the security of your Dropbox files, even if you use two-step verification? Dropbox has your back now with a new USB key-based system to ensure that you are the only one able to access your files in the Dropbox cloud.
“Today,” Dropbox writes on its website, “we’re adding Universal 2nd Factor (U2F) security keys as an additional method for two-step verification, giving you stronger authentication protection.”