WhatsApp is untrustable
WhatsApp is untrustable TL;DR: As the client applications of WhatsApp are closed-source, claims of end-to-end encryption cannot be validated. This invalidates the primary benefit of end-to-end encryption, that is, not needing to trust a third-party. WhatsApp is an (extremely) popular messaging app, especially in Europe and outside the Apple ecosystem. It bills itself as “end-to-end encrypted”. It is my opinion that such marketing is deeply malicious and borderline incorrect. Due to WhatsApp’s client apps being closed-source, their claims of “end-to-end encryption” cannot be validated and so lack the primary benefit of end-to-end encryption in the first place – that is, not needing to trust a third party. I installed WhatsApp recently,1 so its claims of “end-to-end…
