Ange is mostly known for his weird files: extreme, ambiguous, polyglots, hash collisions...
Reverse engineer since the 80s, malware analyst professionally since 2005,
he is currently an infosec engineer in the Mandiant Flare team at Google.
Visualisations in Infosec tend to be moonshots: shiny but mostly one-shots.
What about something simpler, but useful on a daily basis ?
Many file formats (like MP3) were designed around a great idea but a very bad format, leading to many hurdles, headaches and mistakes.
This talk will introducing the typical mistakes when conceiving a file format, and during its evolution.