how Taiwan and the US were trying to overthrow the Thailand monarchy supporting the democracy protesters. The case is important because firstly it is Taiwan's first Internet-related national security case the bureau investigated. And secondly it is the first time Taiwan has documented that China has successfully recruited Taiwanese to work as paid online agents of its cyber army. This disinformation operation also tried to falsely portray the Milk Tea Alliance as a color revolution style American government plot. Military espionage In May 2017, Major Wang Hung-ju, a retired military police officer assigned to the National Security Bureau, was indicted on charges of spying for the People's Republic of China. Army Major General Hsieh Chia-kang, deputy commander of Matsu Defense Command, has been accused of providing intelligence to China, having been recruited by retired army colonel Hsin Peng-sheng. In January 2018, it was reported that the Taipei District Prosecutors' Office is investigating if classified information regarding the Airborne Special Service Company was passed on to Zhou Hongxu (周泓旭), who was already convicted for violating the National Security Act. In March 2018, a retired colonel was charged with breaching the National Security Act by the Kaohsiung District Prosecutors' Office, which alleged that the colonel shared classified personal information and planned to develop a spy ring in Taiwan. In April 2018, Hung Chin-hsi (洪金錫), a Macau-born businessman, was accused of developing a spy ring in the Ministry of Justice, on behalf of China. Captain Zhen Xiaojiang (鎮小江) was convicted in 2015 of recruiting Taiwanese military officers as part of a spy ring on behalf of China, including Army Major-General Hsu Nai-chuan (許乃權). Zhen sent intelligence regarding Taiwan's radar installations and Dassault Mirage 2000 fighters to China. He was deported to Hong Kong in July 2018. In 2022, Taipei District Prosecutors Office charged retired major general Chien and retired lieutenant colonel Wei for developing a spy network for China. They were accused of working for a Hong Konger named Tse, who would visit Taiwan to recruit retired officers and reach out to those on active duty. Chien and Wei tried unsuccessfully to recruit Chang Che-ping, who was a deputy minister at the ROC Ministry of National Defense before serving as a strategic adviser to President Tsai Ing-wen. Chang was probed as a defendant last year but later renamed as a witness. Economic espionage The Wall Street Journal reported that Taiwan has been "ground