Wikipedia
A techno-thriller (also known as technothrillers) is a hybrid genre drawing from science fiction, thrillers, spy fiction, action, and war novels. They include a disproportionate amount (relative to other genres) of technical details on their subject matter (typically military technology); only hard science fiction tends towards a comparable level of supporting detail on the technical side. The inner workings of technology and the mechanics of various disciplines ( espionage, martial arts, politics) are thoroughly explored, and the plot often turns on the particulars of that exploration.
Usage examples of "techno-thriller".
In addition to his nationally best-selling techno-thriller novels about Mike Harmon, his novels for Baen include the novels in the New York Times best-selling Posleen War series (A Hymn Before Battle, Gust Front, When the Devil Dances, and Hell's Faire), the Council War series (There Will be Dragons, Emerald Sea, Against the Tide, and East of the Sun, West of the Moon), the novel Into the Looking Glass, four collaborations with fellow New York Times bestselling author David Weber (March Upcountry, March to the Sea, March to the Stars and We Few) and three collaborative spinoffs from the Posleen series: Hero (with Michael Z.