The person at the center of this case
Multiple victims including high-technology companies, video gaming companies, and a United Kingdom citizen
Cold Case · Open
7 years waiting · since 2019
TAN DAILIN
Justice for Multiple victims including high-technology companies, video gaming companies, and a 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 status within the APT 41 hacking group?
🔍
evidence
Lead #2What specific data and financial information were obtained from the targeted high-technology and video gaming companies?
👤
person
Lead #3What is the relationship between TAN Dailin and co-conspirator ZHANG Haoran in executing these cyberattacks?
On August 15, 2019, a federal grand jury in Washington, D.C. indicted Chinese national TAN Dailin on charges related to cybercrime conspiracy, unauthorized computer access, wire fraud, and money laundering as part of the APT 41 hacking group. TAN Dailin and co-conspirator ZHANG Haoran allegedly targeted high-technology and video gaming companies, as well as a United Kingdom citizen, causing significant damage and obtaining sensitive information. The case remains active as authorities continue efforts to locate and apprehend TAN Dailin, who has known ties to Chengdu, China.
Case
#895
Federal Bureau of Investigation (FBI) and 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 #4How did the conspiracy target the United Kingdom citizen, and what was the nature of that attack?
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
Federal Grand Jury Indictment
Grand Jury in the District of Columbia returned indictment against TAN Dailin and ZHANG Haoran on multiple cybercrime charges
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