Active Incident
Internet outage in Vietnam
Vietnam · April 20, 2026 · Ongoing
IODA detected significant connectivity drop in Vietnam. 3 critical alerts recorded.
Evidence
99%
Anomaly Rate
3
Measurements
67%
Confidence
What This Means
99% of 3 network tests from Vietnam failed to reach these services. Global baseline failure rate is typically 1-3%. This 96+ percentage point difference strongly indicates intentional blocking.
How We Detected This
Data Sourceioda
ML ModelGradientBoosting v3.3 (LOCO median F1 0.87, honest across 127 countries)
Confidence Score67% certainty of censorship
Detection TimeApril 20, 2026
Corroborating Evidence (3)
Evidence collected from multiple independent sources. Upstream claims shown in quotes are not Voidly assertions.
IODAInternet Outage Detection & Analysis3 records
outage
"IODA detected critical level outage for Đồng Bằng Sông Hồng"— IODA report
Signal value: 1.00
Apr 20, 2026
View source →outage
"IODA detected critical level outage for Đồng Bằng Sông Hồng"— IODA report
Signal value: 0.98
Apr 20, 2026
View source →outage
"IODA detected critical level outage for Đồng Bằng Sông Hồng"— IODA report
Signal value: 1.00
Apr 20, 2026
View source →Cite This Incident
Voidly Research. (2026). Internet outage in Vietnam [VN-2026-0072]. Voidly Global Censorship Index. https://voidly.ai/incident/VN-2026-0072