A border can be seen. A cyber attack cannot be seen. The location of a military base can be determined, but that of a disinformation attack cannot be. An energy disruption may occur way outside of a nation’s borders yet affect its economy. This is redefining the definition of national security. Speaking on 24 September, Defence Minister Rajnath Singh referred to the inclination to regard security in terms of geographical frontiers as the “perimeter fallacy”. Illustration by T

In February 2021, a coup d’état was orchestrated in Myanmar, which toppled the democratic government of Aung San Suu Kyi’s National...

In 1826, the British government established a border between India and Burma that cut through villages and even individual homes. This...