Typical blog posts about Dropbox security concentrate on data or network encryption. I want to talk about protecting your system from Dropbox the application, as well as Dropbox the company. In this blog post I tell you how to prepare for a theoretical scenario where Dropbox turns malicious. I’ve done a number of things to make Dropbox run in a much more secure fashion on my Ubuntu laptop. Hopefully I will introduce you to some vulnerabilities that you weren’t aware of, and teach how to protect against them. Many of the attacks and defenses described here are portable to apps other than Dropbox.

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