『諜報国家ロシアーソ連KGBからプーチンのFSB体制まで』中公新書、2023年。

「バルト地域の安全保障：変貌を遂げつつある『NATOのアキレス腱』」『安全保障研究』第5巻第1号、54-73頁、2023年。

“Putin's understanders, Russia's normalizers: Discursive palettes beyond the East-West divide”, Journal of Regional Security, 18 (1), pp.5-8, 2023.

“Chekists Penetrate the Transition Economy: The KGB’s Self-Reforms during Perestroika”, Problems of Post-Communism, 70 (4), pp. 427-438, 2023.

“Perestroika of the KGB: Chekists Penetrate Politics”, International Journal of Intelligence and CounterIntelligence, 36 (3), pp.755-784, 2023.

“The KGB and Glasnost: A Contradiction in Terms?”, Demokratizatsiya: The Journal of Post-Soviet Democratization, 31 (1), pp. 57-90, 2023.

“Unfinished Business: 1991 as the End of the CPSU but Not of the KGB”, Demokratizatsiya: The Journal of Post-Soviet Democratization,  30 (4), pp. 441-452, 2022.

“Japanese Scholars on the “Ukraine Crisis”(2014–2015) Russia-Centered Ontology, Aversion to Western Mainstream, and Vulnerabilities to Disinformation”, Journal of Soviet and Post-Soviet Politics and Society, 8 (2), pp. 153-190, 2022.

“Repeating History: Soviet Offensive Counterintelligence Active Measures”, International Journal of Intelligence and CounterIntelligence, 35 (3), pp. 429-458, 2020.

「プーチン・ロシアに及ぼす影響は？プリゴジンの反乱の余波はまだ続く」『中央公論』第137巻第9号、82-90頁、2023年。

「プーチン・ロシアでクーデターは起こるか？：『国家の中の国家』FSBによる浸透・統治とは」『中央公論』第136巻第5号、32-39頁、2022年。