---
title: "Professor Hides White Font in Midterm, Catches Students Using AI in the Stupidest Way Possible"
slug: "professor-versteckt-weisse-schrift-in-der-pruefung-und-enttarnt-32-ai-schummler"
date: 2026-07-25
category: tech-pub
tags: []
language: en
sources_count: 1
featured: false
publisher: AInauten News
url: https://news.ainauten.com/en/story/professor-versteckt-weisse-schrift-in-der-pruefung-und-enttarnt-32-ai-schummler
---

# Professor Hides White Font in Midterm, Catches Students Using AI in the Stupidest Way Possible

**Published**: 2026-07-25 | **Category**: tech-pub | **Sources**: 1

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## TL;DR

Thirty-two of 35 students across two classes failed part of their midterm after generating their entire answers with AI.

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## Summary

Thirty-two of 35 students across two classes failed part of their midterm after generating their entire answers with AI. The professor had hidden an instruction in white font inside the exam prompt — invisible to readers, but picked up by any language model the text was pasted into. Every student who let AI write the answer dutifully included the hidden instruction and exposed themselves. The trick costs nothing and works anywhere text gets passed along digitally.

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## Why it matters

Thirty-two of 35 students across two classes failed part of their midterm after generating their entire answers with AI.

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## Key Points

- Thirty-two of 35 students across two classes failed part of their midterm after generating their entire answers with AI.
- The professor had hidden an instruction in white font inside the exam prompt — invisible to readers, but picked up by any language model the text was pasted into.
- Every student who let AI write the answer dutifully included the hidden instruction and exposed themselves.
- The trick costs nothing and works anywhere text gets passed along digitally.

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## Nauti's Take

A cheap, effective step forward for anyone grading written work: no costly detector software, no false accusations against honest people, just one camouflaged line in the file. The risk cuts both ways — the same prompt-injection technique steers models reading résumés, proposals or contracts. A free tool for teachers, and an open question for everyone else about which untrusted documents they feed a model.

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## FAQ

**Q:** What is Professor Hides White Font in Midterm, Catches Students Using AI in the Stupidest Way Possible about?

**A:** Thirty-two of 35 students across two classes failed part of their midterm after generating their entire answers with AI.

**Q:** Why does it matter?

**A:** Thirty-two of 35 students across two classes failed part of their midterm after generating their entire answers with AI.

**Q:** What are the key takeaways?

**A:** Thirty-two of 35 students across two classes failed part of their midterm after generating their entire answers with AI.. The professor had hidden an instruction in white font inside the exam prompt — invisible to readers, but picked up by any language model the text was pasted into.. Every student who let AI write the answer dutifully included the hidden instruction and exposed themselves.

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## Related Topics

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## Sources

- [Professor Hides White Font in Midterm, Catches Students Using AI in the Stupidest Way Possible](https://futurism.com/future-society/professor-hides-white-font-ai-cheating) - Futurism

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## About This Article

This article is a synthesis of 1 sources, curated and summarized by AInauten News. We aggregate AI news from trusted sources and provide bilingual (German/English) coverage.

**Publisher**: [AInauten](https://www.ainauten.com) | **Site**: [news.ainauten.com](https://news.ainauten.com)

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*Last Updated: 2026-07-25*