The person at the center of this case
Viet Quoc Nguyen (fugitive suspect)
Cold Case · Open
13 years waiting · since 2012
VIET QUOC NGUYEN
Justice for Viet Quoc Nguyen (fugitive suspect) — the trail went cold in 2012, but the truth hasn't.
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Key leads to think about
🎯
suspect
Lead #1What is Nguyen's current location and has he maintained contact with known associates in Vietnam or the Netherlands?
🔍
evidence
Lead #2How did Nguyen access the email service provider databases and what technical methods did he use to remain undetected for over three years?
💡
clue
Lead #3Nguyen may have acne or pockmarks on his face—could this distinguishing feature help identify him in surveillance footage or witness accounts?
Viet Quoc Nguyen is wanted for a massive cybercrime conspiracy in which he allegedly hacked into at least eight email service providers between 2009 and 2012, stealing over one billion email addresses and proprietary data. Using his unauthorized access, he launched spam attacks on tens of millions of recipients and generated revenue through commissions on fraudulent internet traffic. A federal arrest warrant was issued in October 2012, but Nguyen remains at large with known ties to Vietnam and a previous residence in the Netherlands.
Case
#636
United States District Court, Northern District of Georgia; Federal Bureau of Investigation
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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.
📞
contact
Lead #4Who were the recipients of the stolen email addresses and were they notified of the breach?
👤
person
Lead #5Did Nguyen operate alone or as part of a larger cybercriminal network, and who were his accomplices in the commission scheme?
Have information about any of these leads?
Even the smallest detail could be the key to solving this case.
Official wording
Source Narrative
Computer Intrusion - Wire Fraud Conspiracy Caution: Viet Quoc Nguyen is wanted for allegedly hacking into at least eight E-Mail Service Providers (ESPs) and stealing confidential information, including proprietary marketing data containing over one billion e-mail addresses. The ESPs were located all over the United States, including two based in the Northern District of Georgia.
The massive data breach occurred between approximately February of 2009 and June of 2012. During that time, Nguyen allegedly hacked into the ESPs' computer databases and used his unauthorized access to launch spam attacks on tens of millions of e-mail recipients who had their addresses stolen.
Additionally, Nguyen also allegedly entered into an arrangement that allowed him to generate revenue from his computer hacks by receiving a commission on sales generated from Internet traffic that he directed to websites promoting specific products. A federal arrest warrant for Nguyen was issued on October 3, 2012, in the United States District Court, Northern District of Georgia, Atlanta, Georgia, after a federal grand jury indicted him and he was charged with wire fraud conspiracy for the computer intrusion.
Remarks: Nguyen may have acne or pockmarks on his face. He has ties to Vietnam and once resided in the Netherlands.
Timeline of Events
📋
2009-02-01
Hacking campaign begins
Alleged computer intrusions into email service providers begin approximately February 2009
📋
2012-06-30
Hacking campaign ends
Alleged hacking activities conclude approximately June 2012
🕵️
2012-10-03
Federal arrest warrant issued
Federal grand jury indicts Nguyen and arrest warrant issued in United States District Court, Northern District of Georgia for wire fraud conspiracy
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:February 1, 2009
Last Updated:May 9, 2026
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Case Information
Incident:February 1, 2009
Last Updated:May 9, 2026