Refers to terrorist acts committed within a country by its own residents or groups, as opposed to international terrorism.
国内テロの防止は重要な課題だ。
Preventing domestic terrorism is an important issue.
その事件は国内テロと見られている。
The incident is regarded as domestic terrorism.
Compound of 国内 (domestic) and テロ, a clipping of テロリズム (terrorism).