Jacob Gursky and Samuel Woolley
EXECUTIVE SUMMARY
Encrypted messaging applications (EMAs) that rely on end-to-end encryption (E2EE), like Signal, Telegram, and WhatsApp, offer a level of intimacy and security that have made them remarkably popular among activists and others who want to communicate without fear of government surveillance. These qualities also make them a useful vector for disinformation: they offer a means of spreading untraceable claims to users via trusted contacts in a secure environment. This policy brief argues that successfully countering disinformation on EMAs does not require undermining this stronger form of encryption.
Although EMAs typically end-to-end encrypt the content of private messages, they often do not encrypt the metadata of those messages. Interventions based on that metadata show particular promise. Metadata-based forwarding limits on WhatsApp, for instance, appear to have slowed the proliferation of disinformation in India and elsewhere. Third-party evaluations of such approaches are needed to develop and guide best practices for use on other platforms, particularly given criticism of, and broader worry surrounding, WhatsApp’s use of said metadata.
Disinformation campaigns on EMAs are successful primarily because of the intimacy and trust they afford. Regulatory responses to disinformation EMAs should therefore target how that trust is leveraged, rather than EMAs’ use of E2EE. For example, stricter advertising disclosure laws would prevent “influence farms” coordinating on EMAs from spreading untraceable political messaging.
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