Polyglot Files: a Hacker’s best friend

And how to hide PHP code in JPEG files

Vickie Li
Vickie Li
Oct 2, 2019 · 5 min read

Hello! Thanks for clicking on this blog post. Today, we’re gonna talk about a topic that has always fascinated me in the cybersecurity world: polyglot files! We’re going to take a look at what they are, how they confuse applications, how they are used in an attack scenario.

What are polyglots?