NEWS / Technology
South Korea’s Top Tax-Accountant Exam Scorer Admits AI-Fueled Cheating
Jackson Moreland
Published Nov 15, 2026
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Summary:
- Han Won Seok, the highest scorer in South Korea’s national tax accountant qualification exams, admitted using generative AI and electronic devices to cheat and reported himself to police.
- He said he photographed questions with a miniature camera, sent them to an AI system, and checked responses on a smartphone while testing.
- He apologized, said he filed a written statement with Seoul police, pledged full cooperation, and admitted he used the approach again for a different certified public accountant test.
How the scheme worked
On Sunday, Han showed up in a clip posted to his attorney’s YouTube channel, wearing a mask that obscured his face. He described snapping images of exam questions with a tiny camera, relaying them to an AI tool, then reviewing the answers on his phone mid test.
He said he has filed a written account with the Seoul Metropolitan Police Agency and admitted his top score was not legitimate. “I deeply regret what I did,” he said, citing anxiety about his future and a wish to make his parents proud.
Reactions and exam security moves
Han offered an apology to other test-takers, to members of the tax profession, and to the exam’s overseers. The presidential office called the episode a “grave matter.” According to the Financial Supervisory Service, safeguards against AI-enabled cheating have been strengthened, such as inspections of examinees’ glasses.
The broader backdrop
For weeks, online chatter questioned his standout results, and his confession came afterward. Before admitting wrongdoing, he had denied the allegations, including chatter that he wore AI-equipped smart glasses.
Amid growing anxiety in South Korea about AI-assisted wrongdoing, the case surfaced after a series of comparable cases on university and school campuses. The episode has further heightened attention on exam safeguards before the fiercely competitive college entrance test on Thursday. The broader issue is clear: increasingly discreet AI tools and devices can work around traditional measures meant to keep high-stakes exams fair.
Smart investors look for thoughtful ways to use new tools to gain insight. We’re hosting our first ever investor livestream on 11/17 to show you how to use ChatGPT and Claude to invest like a pro, hosted by Briefs Finance CEO Jaspreet Singh. Save your seat.
Investor take
AI is reshaping every rules-based system, from proctoring to trading. Near term, expect more spending on compliance and verification in education and certification, while the tech race continues on both sides. The bottom line: where payoffs are high for an edge – whether in exams or markets – detection, oversight and audit trails look like investable themes, not just overhead.
A calm, curious approach to technology can quietly improve your investing decisions. On 11/17, our CEO Jaspreet Singh goes live for our first ever investor livestream on how to use ChatGPT and Claude to invest like a pro. Register to join him.
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