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Infiltration Prevention Toolkit

This guide provides protocols for detecting and preventing infiltration in activist and resistance spaces, covering tactics used by law enforcement and far-right operatives, vetting processes, digital and IRL security measures, and strategies for distinguishing conflict from infiltration. It is intended for community organizers and mutual aid groups seeking to maintain trust and security without resorting to paranoia.

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Designed to be printed and distributed. Published August 31, 2026.

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The information in this Field Guide is intended for general educational purposes only and does not constitute legal advice. While we strive for accuracy and relevance, laws differ significantly across countries, regions, and jurisdictions—and they evolve. This resource is designed for an international audience. Readers should verify all content against current local laws and regulations. The authors and publishers disclaim any liability for outcomes resulting from the use or misuse of this material. When in doubt, consult a qualified legal expert or trusted local organization.