Today, increasing numbers of people are using over-the-top (OTT) messaging applications to communicate with one another. They are easy to use, unify voice and data comms across a user’s devices, and allow people to communicate with both individuals and groups.
Apps that use end-to-end encryption (E2EE) employ relay servers for passing messages between end points. This make the apps very useful to criminals and hostile actors, and it creates a significant blind spot for the Intelligence Community and Law Enforcement. Not only does it prevent content analysis, but it makes identifying the end points and the connections between them extremely difficult—until now.