Active Incident
Confirmed: sustained censorship in Iran (2026-05)
Iran · May 24, 2026 · Ongoing
OONI detected 3 days of elevated network interference averaging 100.0% anomaly rate.
Evidence
100%
Anomaly Rate
3
Measurements
77%
Confidence
What This Means
100% of 3 network tests from Iran failed to reach these services. Global baseline failure rate is typically 1-3%. This 97+ percentage point difference strongly indicates intentional blocking.
How We Detected This
Data Sourceooni + censoredplanet
ML ModelGradientBoosting v3.3 (LOCO median F1 0.87, honest across 127 countries)
Confidence Score77% certainty of censorship
Detection TimeMay 24, 2026
Corroborating Evidence (194)
Evidence collected from multiple independent sources. Upstream claims shown in quotes are not Voidly assertions.
OONIOpen Observatory of Network Interference191 records
blocking
"OONI signal: 34/34 measurements anomalous (100.0%)"— OONI report
Signal value: 1.00
May 26, 2026
View source →blocking
"OONI whatsapp: 32/34 measurements anomalous (94.1%)"— OONI report
Signal value: 0.94
May 26, 2026
View source →blocking
"OONI telegram: 35/36 measurements anomalous (97.2%)"— OONI report
Signal value: 0.97
May 26, 2026
View source →blocking
"OONI facebook_messenger: 26/34 measurements anomalous (76.5%)"— OONI report
Signal value: 0.76
May 26, 2026
View source →blocking
"OONI signal: 24/28 measurements anomalous (85.7%)"— OONI report
Signal value: 0.86
May 26, 2026
View source →+ 186 more OONI records
Censored PlanetUniversity of Michigan research3 records
interference
"unknown"— Censored Planet report
Signal value: 0.50
May 26, 2026
View source →interference
"unknown"— Censored Planet report
Signal value: 0.59
May 26, 2026
View source →interference
"unknown"— Censored Planet report
Signal value: 0.62
May 26, 2026
View source →Cite This Incident
Voidly Research. (2026). Confirmed: sustained censorship in Iran (2026-05) [IR-2026-0233]. Voidly Global Censorship Index. https://voidly.ai/incident/IR-2026-0233