Case Blog

Preliminary Report Col Christos Flessas On February 5, 2026, Greek authorities arrested Christos Flessas, a 54-year-old senior Greek Hellenic Air Force colonel for spying for China.  According to his bio, Flessas served in units of the Hellenic Air Force, as Commander of a Telecommunications and RADAR Squadron, Head of Support, and in the Hellenic Air Force as a contract implementation officer for missile systems. He served as Director of Support and Deputy Commander of the 1

Economic espionage is a growing threat to organizations worldwide. It involves the theft of trade secrets, intellectual property, and sensitive information to gain a competitive advantage. The case of Linwei Ding offers valuable lessons on how these operations unfold and how organizations can defend themselves. In this post, I will share insights from this case and outline practical strategies to detect, counter, and prevent economic espionage. Understanding Economic Espionag

LinkedIn Overview of the Espionage Incident From 2022 to 2025, Michael Charles Schena conducted espionage against the United States on behalf of China’s Ministry of State Security. Schena was a Foreign Affairs Officer with the US Department of State for nearly 19 years. He was not a diplomat but had multiple overseas trips working in US diplomatic missions for up to six months each. Prior to joining the State Department, he taught English in Shaoxing, China, for three months.

Chenguang Gong transferred more than 3,600 files from a Malibu defense firm (* HRL Laboratories ) on infrared sensor technology,...

Colin Cooke Photo July 9, 2025, Tanagra, Greece The 114th Combat Wing Air Force Police detained and questioned four Chinese nationals (A...

Philstar.com The Philippines National Investigation Bureau (NIB) arrested Chinese national Deng Yuanqing (39 yoa) in January 2025 for...

LinkedIn Photo Status: Guilty In December 2024, the FBI arrested Yaoning “Mike” Sun, 64, for acting as a covert agent of the PRC.  In 2022, Sun was the campaign manager for Eileen Wang, a city Council Member for Arcadia City in Southern California. He worked as campaign treasurer and manager to install Wang in a political position to (allegedly) influence American politics in favor of the PRC.    Sun and Wang have longstanding ties including owning multiple businesses togeth

Between 2013 and 2021, retired Taiwan Air Force Colonel Liu Shengshu ( 劉聖恕 ) recruited individuals working for, or retired from, Taiwan’s...

Corey Sipkin / AP Linda Sun was arrested in September 2024 for covert influence activities on behalf of the PRC.  Sun is a naturalized...

Tang Yuanjun worked as an MSS asset between 2018 and 2023. 

In March 2019, Dov Goldstein became the primary suspect in a high-profile investigation concerning an information leak. Goldstein, an...

The case of Shujun WANG is one of several that illustrate China's Ministry of State Security (MSS) using assets to collect information...

From 2018 – 2020, Ms. Lin Chen and Mr. Han Li  exported goods and services from the United States to the Chengdu GaStone Technology Co....

LinkedIn Profile Several cases of Chinese espionage have been announced recently in Europe.   Thomas Reichenbach, Herwig and Ina Fischer....

Wenheng Zhao (26), a U.S. Navy Petty Officer, was convicted for  receiving bribes in exchange for transmitting sensitive U.S. military...

Army.mil Little is publicly known about the alleged espionage activities of Sergeant Korbein R. Schultz.   Schultz is 24 years old.  He...

Linwei Ding (AKA Leon Ding),  Economic Espionage 2022 - 2023 May 21, 2022, Lin Wei Ding allegedly began stealing Google’s trade secrets...

In early August 2023, Chinese national Jinchao Wei, (AKA Patrick Wei), was indicted on allegations of transmitting defense information to support a foreign government, unlawfully exporting defense articles without a license, and two counts of conspiracy. Wei's criminal activities occurred during his tenure in the United States Navy as a Machinist’s Mate stationed aboard the U.S.S. Essex (LHD) at Naval Base San Diego. In February 2022, a PRC intelligence officer (IO) approac

Category: Covert Action 2014 - 2019. In July, 2023 the Canadian government charged William (Bill) Majcher, a retired Royal Canadian...

1. In recent years China has passed or revised 20 laws enhancing the protection of state secrets. (You should know them) 2. In 2024,...