The person at the center of this case
Multiple victims worldwide (scores of organizations and individuals)
Justice for Multiple victims worldwide (scores of organizations and individuals) โ the trail went cold in 2026, but the truth hasn't.
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What is Yin Kecheng's current location and identity status given his last known residence in Shanghai?
Which specific organizations and government agencies were victimized, and what categories of data were stolen?
Who are the unidentified customers and co-conspirators who received stolen data beyond the known PRC MSS and MPS connections?
Yin Kecheng is wanted by the FBI for his alleged involvement in a sophisticated international cybercrime conspiracy spanning 2013-2020, where he and co-conspirators compromised networks worldwide, installed malware like PlugX, and stole sensitive data that was sold to customers including PRC government agencies. The investigation revealed that stolen data was brokered through intermediaries such as Zhou Shuai and the company i-Soon, with victims across multiple sectors and countries. Kecheng's current whereabouts remain unknown despite indictments in 2018 and 2023; he was last known to reside in Shanghai, China, and a $2 million reward is offered for information leading to his capture.
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Beyond the top three above โ each detail below could be the thread that pulls this case open.
What infrastructure, servers, and financial accounts were used to store and distribute the exfiltrated data?
How did Zhou Shuai and i-Soon facilitate the sale and distribution of stolen data, and are there additional intermediaries involved?
Even the smallest detail could be the key to solving this case.
Official wording
Conspiracy to Cause Damage To, and Obtain Information By Unauthorized Access To, Protected Computers, to Commit Wire Fraud, and to Commit Aggravated Identity Theft; Wire Fraud; Obtaining Information by Unauthorized Access to Protected Computers; Intentionally Causing Damage to Protected Computers; Aggravated Identity Theft; Money Laundering Caution: Yin Kecheng and Zhou Shuai are wanted for their alleged involvement in compromising and stealing data belonging to scores of victims around the world. The men, and their co-conspirators, allegedly exploited vulnerabilities in victim networks, conducted reconnaissance once inside those networks, and installed malware, such as PlugX malware, that provided persistent access.
The men then allegedly identified and stole data from the compromised networks by exfiltrating it to servers under their control. They also allegedly brokered stolen data for sale and provided it to various customers, only some of whom had connections to the PRC government and military.
Zhou Shuai allegedly sold data stolen by Yin Kecheng through i-Soon, a company whose primary customers included the PRC Ministry of State Security (MSS) and the Ministry of Public Safety (MPS). In 2018 and 2023, Grand Juries in the District of Columbia returned indictments against Yin Kecheng on multiple charges related to criminal activity occurring between 2013 and 2020.
Remarks: Yin Kecheng was last known to reside in Shanghai, China.
Alleged unauthorized network access and data theft activities commence
Last known date of alleged criminal conduct in the conspiracy
Grand Jury in the District of Columbia returns indictment against Yin Kecheng
Grand Jury in the District of Columbia returns additional indictment against Yin Kecheng
For information leading to the resolution of this case
For information leading to the resolution of this case