Detect plagiarized and similar code across trillions of code sources on the web See what's new
David Kim

David Kim

Platform Engineer at Codequiry

David works on the scanning pipeline and API that power Codequiry checks at scale, from ingestion to results delivery.

Articles by David Kim

The 83% Illusion in Your Open Source Compliance General 7 min
David Kim David Kim • 5 months ago

The 83% Illusion in Your Open Source Compliance

A 2025 audit of 500 enterprise codebases revealed that 83% contained open-source components with undetected license violations or security flaws. This isn't just a legal problem—it's a direct threat to product viability and company valuation. We analyzed the data to show where compliance tools fail and what effective scanning actually looks like.

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Your Static Analysis Tool Is Missing the Real Security Flaws General 9 min
David Kim David Kim • 5 months ago

Your Static Analysis Tool Is Missing the Real Security Flaws

Most static analysis tools generate hundreds of low-priority warnings while missing critical, exploitable vulnerabilities. This guide shows you how to reconfigure your scanning pipeline to prioritize the flaws that attackers actually use. We'll move beyond syntax checks to data flow analysis and taint tracking.

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Your Codebase Is Full of Stolen Web Snippets General 7 min
David Kim David Kim • 5 months ago

Your Codebase Is Full of Stolen Web Snippets

A developer copies a slick animation from Stack Overflow. Another pulls a "helper function" from a random GitHub repo. This is how technical debt and legal liability silently enter your codebase. We map the seven most common—and dangerous—patterns of web code plagiarism in professional software.

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Your Open Source Dependencies Are a Legal Minefield General 5 min
David Kim David Kim • 5 months ago

Your Open Source Dependencies Are a Legal Minefield

Your application is built on a mountain of open source code, each piece with its own legal requirements. Ignoring them is a ticking bomb. This guide shows you how to map your dependencies, understand their licenses, and build a compliance process that actually works before you get a cease-and-desist letter.

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The Assignment That Broke Every Plagiarism Checker General 10 min
David Kim David Kim • 5 months ago

The Assignment That Broke Every Plagiarism Checker

A single, brilliantly simple programming assignment exposed a fundamental flaw in how we detect copied code. Students aren't just copying—they're engineering similarity. This deep dive reveals the algorithmic arms race between educators and cheaters, moving beyond token matching to the structural and semantic analysis that actually works.

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Your Students Are Using AI and You're Not Seeing It AI Detection 8 min
David Kim David Kim • 5 months ago

Your Students Are Using AI and You're Not Seeing It

AI-generated code isn't always obvious copy-paste jobs. It's a sophisticated mimic, leaving subtle fingerprints in style, logic, and structure. Here are the seven nuanced patterns that reveal a student didn't write the code they submitted, and what to do about it.

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Your AI Detection Tool Is Probably a Random Number Generator AI Detection 2 min
David Kim David Kim • 6 months ago

Your AI Detection Tool Is Probably a Random Number Generator

The market is flooded with AI-generated code detectors that promise certainty but deliver statistical noise. We audited three popular tools against a controlled dataset of 500 student submissions and found their accuracy was no better than a coin flip. It's time to demand evidence, not marketing claims, before you fail a student.

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