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Sunday, November 15, 2026

Top scorer of South Korea tax accounting exam admits to AI cheating

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The marks attained by the top scorer on South Korea's national exam for aspiring tax accountants this year seemed too good to be true, and on ‌Sunday, skeptics were proven right when he confessed to using generative AI to cheat.

Revelation prompts 'countermeasures' from officials ahead of college entrance exams

Thomson Reuters

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Rows of desks in a classroom are seen with exams on them.
A classroom is seen prior to an exam in Marseille, France, on June 11. A man in South Korea admitted on Sunday that he cheated using AI to achieve his top score in a national exam for aspiring tax accountants. (Miguel Medina/AFP/Getty Images)

The marks attained by the top scorer on South Korea's national exam for aspiring tax accountants this year seemed too good to be true, and on ‌Sunday, skeptics were proven right when he confessed to using generative AI to cheat.

The scandal follows months of speculation after he scored near-perfect marks on hundreds of questions over two exams taken in April and July. ​It has also raised the stakes for organizers of ​South Korea's high-stakes annual college entrance exam this Thursday.

"I cheated using electronic devices and generative AI. My passing the exam with the ​top score was not the result of fair effort," he said, ⁠identifying himself by the ⁠surname Han, as he apologized on the ‌YouTube channel Attorney Lee Don-ho.

Han said he cheated by taking photos of the exam questions with a microcamera, sending them to an artificial intelligence tool and checking the answers on a smartphone.

Speaking on camera wearing a face ⁠mask, Han added that he had submitted a written confession to Seoul police.

A Reuters call to the Seoul Jungbu police station went unanswered on Sunday.

The scandal has rattled a ‌country where standardized tests largely dictate social mobility and career trajectories, coming just four days ahead of Thursday's annual national college entrance exam.

"The presidential office views the matter very seriously, and because the college entrance exam is next ​week, we have been working hard to prepare countermeasures," a senior presidential office official told reporters on Sunday.

The official ⁠said that reports of potential cheating in the certified public accountant exam were ⁠concerning, adding that the presidential chief of staff for policy would convene an emergency ⁠meeting ⁠later in the afternoon to ​address the issue.

Prime Minister Han Seong-sook acknowledged on Friday public concerns over AI-assisted cheating ahead ​of the national college entrance ⁠exam, a high-pressure event that many South Korean students have spent much of their lives preparing for.

The government "will prepare thoroughly in advance and closely oversee the process until the very end to ensure the college entrance exam is conducted fairly and stably," a statement ⁠from her office said.

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