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FIMI Taxonomy v4.1 — Modular taxonomy of foreign information manipulation and interference

Background Noise

Spillover
Persistent low-level repetition of regime-aligned messages across multiple channels creates ambient epistemic pollution that normalizes falsehoods, weakens skepticism, and degrades public trust in information environments long after individual influence operations end.
Author
Affiliation

E. Rosalie Li

Information Epidemiology Lab

Published

February 17, 2026

Spillover

Persistent low-level repetition of regime-aligned messages across multiple channels creates ambient epistemic pollution that normalizes falsehoods, weakens skepticism, and degrades public trust in information environments long after individual influence operations end.

FIMI Taxonomy by Information Epidemiology Lab.

Citation

BibTeX citation:
@article{li2026,
  author = {Li, E. Rosalie},
  title = {Background {Noise}},
  date = {2026-02-17},
  url = {https://fimi.infoepi.org/mechanisms/background-noise.html},
  langid = {en}
}
For attribution, please cite this work as:
Li, E. Rosalie. 2026. “Background Noise,” February. https://fimi.infoepi.org/mechanisms/background-noise.html.

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