# Sustained censorship in IS (2026-11)

**Country:** 🇮🇸 Iceland (IS)
**Date:** 2026-11-01
**Type:** Censorship
**Severity:** CRITICAL
**Status:** confirmed

## Summary

OONI detected 4 days of elevated network interference averaging 84.3% anomaly rate.

## Metrics

- Confidence: 72%
- Measurements (stored incident count; not the qualifying evidence count): 4
- Anomaly Rate: 84.3%

## Evidence

- **OONI** (measurement): OONI facebook_messenger: 6 anomaly + 0 confirmed / 6 nonfailed measurements (100.0% blocked; 0 failed)
  - Observed: 2026-11-01
  - Confidence: 90%
  - [OONI Explorer filtered results (not one measurement)](https://explorer.ooni.org/search?probe_cc=IS&test_name=facebook_messenger&since=2026-11-01&until=2026-11-02)
- **OONI** (measurement): OONI facebook_messenger: 4 anomaly + 0 confirmed / 5 nonfailed measurements (80.0% blocked; 0 failed)
  - Observed: 2026-11-01
  - Confidence: 82%
  - [OONI Explorer filtered results (not one measurement)](https://explorer.ooni.org/search?probe_cc=IS&test_name=facebook_messenger&since=2026-11-01&until=2026-11-02)
- **OONI** (measurement): OONI facebook_messenger: 6 anomaly + 0 confirmed / 6 nonfailed measurements (100.0% blocked; 0 failed)
  - Observed: 2026-11-01
  - Confidence: 90%
  - [OONI Explorer filtered results (not one measurement)](https://explorer.ooni.org/search?probe_cc=IS&test_name=facebook_messenger&since=2026-11-01&until=2026-11-02)
- **OONI** (measurement): OONI facebook_messenger: 4 anomaly + 0 confirmed / 7 nonfailed measurements (57.1% blocked; 0 failed)
  - Observed: 2026-11-01
  - Confidence: 73%
  - [OONI Explorer filtered results (not one measurement)](https://explorer.ooni.org/search?probe_cc=IS&test_name=facebook_messenger&since=2026-11-01&until=2026-11-02)

## What we cannot say

- **Who caused it** — measurement data alone does not attribute the interference to any government, ISP, or other actor.
- **Intent** — anomalous or unreachable measurements indicate interference, not a stated motive or a deliberate-vs-incidental determination.
- **Which networks** — no specific ASN/ISP is identified for this incident.
- **The mechanism** — we cannot state whether this was DNS tampering, TLS/SNI reset, HTTP blockpage, throttling, or an infrastructure outage.
- **A confirmed duration** — we report the observation window, not a verified start/stop of any block.
- **Sub-national scope** — measurement is aggregated at the country level; we cannot localize to a province, city, or network segment.
- **Independent corroboration** — fewer than two source labels appear in qualifying linked evidence; stored incident source labels may include quarantined OONI observations.

## Data Sources

ooni

These source labels come from qualifying linked evidence. Historical incident source labels and quarantined observations are excluded; multiple labels alone do not establish independent corroboration.

## Citation

Voidly Research. (2026). Sustained censorship in IS (2026-11) [IS-2026-0011]. Retrieved from https://voidly.ai/incident/IS-2026-0011

---
*Report generated by Voidly Research on 2026-11-02*
*Data licensed under CC BY 4.0*
*Incident ID: IS-2026-0011*
*Permalink: https://voidly.ai/incident/IS-2026-0011*