The person at the center of this case
Multiple high-technology and video gaming companies; one United Kingdom citizen
Cold Case · Open
7 years waiting · since 2019
TAN DAILIN
Justice for Multiple high-technology and video gaming companies; one United Kingdom citizen — the trail went cold in 2019, but the truth hasn't.
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Key leads to think about
🎯
suspect
Lead #1What is TAN Dailin's current location and operational status within APT 41?
🔍
evidence
Lead #2What specific high-technology and video gaming companies were targeted, and what data was compromised?
👤
person
Lead #3What is the relationship between TAN Dailin and co-conspirator ZHANG Haoran?
TAN Dailin, a Chinese national linked to the APT 41 hacking group, was indicted on August 15, 2019, for conspiracy to damage protected computers, wire fraud, identity theft, and money laundering targeting high-tech and video gaming companies. The case remains significant as part of a broader cyber espionage operation attributed to Chinese state-sponsored actors. Law enforcement continues to seek information on TAN Dailin's whereabouts and activities related to this ongoing cyber threat investigation.
Case
#895
Federal Bureau of Investigation (FBI); U.S. District Court for the District of Columbia
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More leads to consider
Beyond the top three above — each detail below could be the thread that pulls this case open.
💡
clue
Lead #4What financial transactions and money laundering methods were used to conceal proceeds from cyber attacks?
Have information about any of these leads?
Even the smallest detail could be the key to solving this case.
Official wording
Source Narrative
Conspiracy to Cause Damage to, and Obtain Information by Unauthorized Access to, Protected Computers; Conspiracy to Commit Wire Fraud; Wire Fraud; Obtaining Information by Unauthorized Access to Protected Computers; Intentionally Causing Damage to Protected Computers; Aggravated Identity Theft; Money Laundering; Aiding and Abetting Caution: TAN Dailin is part of a Chinese hacking group known as APT 41 and BARIUM. On August 15, 2019, a Grand Jury in the District of Columbia returned an indictment against Chinese nationals TAN Dailin and ZHANG Haoran on multiple charges including Conspiracy to Cause Damage to, and Obtain Information by Unauthorized Access to, Protected Computers; Conspiracy to Commit Wire Fraud; Wire Fraud; Obtaining Information by Unauthorized Access to Protected Computers; Intentionally Causing Damage to Protected Computers; Aggravated Identity Theft; Money Laundering; and Aiding and Abetting.
These charges primarily stemmed from alleged activity targeting high technology and video gaming companies, and a United Kingdom citizen. Remarks: TAN Dailin has ties to Chengdu, China
Timeline of Events
🕵️
2019-08-15
Grand Jury Indictment
Grand Jury in the District of Columbia returned indictment against TAN Dailin and ZHANG Haoran on multiple charges including conspiracy to cause damage to protected computers, wire fraud, identity theft, and money laundering
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:August 15, 2019
Last Updated:September 9, 2026
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Case Information
Incident:August 15, 2019
Last Updated:September 9, 2026