This document provides a high-level introduction to deep packet inspection, Internet filtering, and targeted intrusion dual-use technologies with the aim of familizaring the reader with their key technical features, the surrounding international human rights law framework, and some of the leading research to date on their deployment.

Endless Mayfly is an Iran-aligned network of inauthentic websites and online personas used to spread false and divisive information primarily targeting Saudi Arabia, the United States, and Israel. Using this network as an illustration, this report highlights the challenges of investigating and addressing disinformation from research and policy perspectives.