In an age of ever more sophisticated cybercrime and mass surveillance, secure communication is an increasingly rare and premium commodity. As we develop better methods and models for protecting communication streams, it is essential to examine how the threat model for secure messaging applications has evolved beyond the traditional man-in-the-middle attack. This plays a crucial role in guiding the development of new secure communication tools to better address proven dangers to our digital security.
It is time to move sensitive communications out of easily compromised and discoverable channels. Neither email or IM is safe. Using these channels today is the same as knowingly clicking on a link from the Nigerian Prince. It is simply negligent.