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Rachel Foster

Rachel Foster

Content & Education Lead at Codequiry

Rachel writes Codequiry's practical guides for educators and engineering teams on catching copied and AI-generated code.

Articles by Rachel Foster

The Code Your Students Stole Is Legally Toxic Academic Integrity 8 min
Rachel Foster Rachel Foster 4 months ago

The Code Your Students Stole Is Legally Toxic

A student copies a slick React component from a GitHub repo with a strict GPL license. They submit it. They graduate. The original author finds it. Now the university's software IP is contaminated. This isn't just cheating—it's a legal time bomb. We explore the hidden world of license violation through academic plagiarism and how to scan for it before it's too late.

The Code That Broke a University's Honor Code Academic Integrity 3 min
Rachel Foster Rachel Foster 5 months ago

The Code That Broke a University's Honor Code

A routine data structures assignment at a major university revealed a plagiarism ring involving over 80 students. The fallout wasn't just about cheating—it exposed fundamental flaws in how institutions detect, define, and deter source code copying. This is the story of what broke, and what every CS department needs to fix before the next scandal hits their inbox.

The Stanford Professor Who Found 47% AI Code in One Assignment Case Studies 6 min
Rachel Foster Rachel Foster 5 months ago

The Stanford Professor Who Found 47% AI Code in One Assignment

Professor Aris Thakker’s CS106B assignment looked perfect on the surface. The code compiled, the logic was sound, but something felt deeply off. His investigation, moving beyond traditional similarity checkers, revealed a silent epidemic of AI-generated submissions that threatened to undermine the entire course. This is the story of how one professor learned that in the age of Copilot, plagiarism detection must evolve or become obsolete.