Case yonsei-ai-midterm-mass-cheatingAI exam fraudSouth Korea
Dozens of Yonsei University students admit using ChatGPT in an online midterm for a ChatGPT course
In an online midterm on 15 October 2025 where AI use was banned, students angled webcams or opened other programs to evade proctoring and used ChatGPT and other AI tools. About 40 students admitted cheating and about 10 more were suspected, while an unverified student poll had 211 of 387 respondents saying they cheated.
MediumAttack using AIStatus: ResolvedVerified case file
Open in the interactive mapCite this case
- Reported
- Nov 11, 2025
- Location
- South Korea
- Target
- Yonsei University online midterm, Natural Language Processing and ChatGPT course (~600 students)
- Severity
- Medium
- Verification
- Confirmed by victim, vendor or authority
- Triggered by
- Students in the course
- Actor type
- Criminal
- Sector
- Education & research
- Reported loss
- None reported
- CVE
- None
What happened
In an online midterm on 15 October 2025 where AI use was banned, students angled webcams or opened other programs to evade proctoring and used ChatGPT and other AI tools. About 40 students admitted cheating and about 10 more were suspected, while an unverified student poll had 211 of 387 respondents saying they cheated.
Impact: Dozens of confirmed cheating cases; possible disciplinary action; national debate on assessment
Who triggered it
Actor: Students in the course
Attribution: Yonsei University officials (via Yonhap)
Motive: Academic gain
How it happened
Attack vector: Generative AI chatbots used during a remotely proctored online exam
Root cause: Online exam design and webcam proctoring easily bypassed
Timeline
- Online midterm held; AI use banned
- University confirms about 40 admissions and plans public hearing
Response
Yonsei planned an emergency public hearing via its Institute for AI and Social Innovation
Current status: Resolved
Sources (open in a new tab)
- Korea JoongAng Daily (Yonhap) koreajoongangdaily.com
- The Korea Times koreatimes.co.kr
Cite this case
Dozens of Yonsei University students admit using ChatGPT in an online midterm for a ChatGPT course. AI Threat Watch, case yonsei-ai-midterm-mass-cheating, Nov 11, 2025. https://aithreat.io/cases/yonsei-ai-midterm-mass-cheating/
Permanent link: https://aithreat.io/cases/yonsei-ai-midterm-mass-cheating/
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