In response to social media hacks and government-sponsored surveillance programs worldwide, journalists have relied on closed, encrypted messaging networks like Keybase and Signal to send secure messages.
Title from the contents list in the SlideShare transcript of the publisher upload; order and section from contents page numbers. Quote added 2026-10-02 from the full slide transcript of the publisher upload (SlideShare, Wayback capture of the newer page format); source_url points at the section that holds the page.