Research

Original research from the Foil team on device intelligence, bot and AI-agent detection, and the stealth-browser economy.

  1. June 1, 2026Alain MeierAI agents created a new market for stealth browsers: patched browsers that hide automation. Here’s what’s in their source code.Read the piece
  2. August 25, 2026Alain MeierWe tested the most popular commercial anti-detect and automation browsers on the same Foil-protected signup flow and compared the results.Read the piece