{"affectedAsns":[],"affectedDomains":[],"affectedServices":[],"anomalyRate":0.5,"attribution":{"asns_attributed":0,"domains_attributed":0,"methods":[{"evidence_count":1,"method":"header-manipulation"}],"note":"Aggregated from this incident's qualifying linked evidence rows — only domains, ASNs, and blocking methods the evidence literally records are shown, with the per-item evidence count. No per-domain/per-ASN attribution is present in the qualifying linked evidence for this incident (e.g. country/ASN-level outage signals).","sources":["ooni"],"top_asns":[],"top_domains":[]},"confidence":0.7,"corroboration":{"description":"Single source label: ooni","evidenceCount":1,"level":"low","score":0.6,"sourceCount":1,"sources":["ooni"]},"country":"NG","countryName":"Nigeria","createdAt":"2026-08-22T03:23:01.588716","description":null,"duration":1439,"durationHours":23.9997,"endTime":"2026-08-21T23:59:59Z","evidence":[{"asn":null,"blockingMethod":null,"citationScope":"filtered_search","citationUrl":"https://explorer.ooni.org/search?probe_cc=NG&test_name=http_header_field_manipulation&since=2026-08-21&until=2026-08-22&only=anomalies","confidence":0.7,"continent":"Africa","countryCode":"NG","domain":null,"domainCategory":null,"exactMeasurementLink":false,"id":344366977,"kind":"measurement","linkConfidence":0.9,"linkReason":"OONI live measurements","observedAt":"2026-08-21T18:00:00Z","probeNodeId":null,"regionCode":null,"retrievedAt":"2026-08-22T03:12:49.925791Z","riskTier":4,"signalBaseline":null,"signalLevel":"elevated","signalType":"header-manipulation","signalValue":0.5,"source":"ooni","sourceRef":"ooni:live:NG:http_header_field_manipulation:2026-08-21:18","sourceUrl":"https://explorer.ooni.org/search?probe_cc=NG&test_name=http_header_field_manipulation&since=2026-08-21&until=2026-08-22&only=anomalies","unSubregion":"Western Africa","upstreamCause":null,"upstreamClaim":"OONI http_header_field_manipulation: 2/4 measurements anomalous (50.0%)","upstreamSeverity":null}],"evidenceCount":1,"evidenceSourceBreakdown":{"ooni":1},"evidenceSpan":{"earliest":"2026-08-21T18:00:00Z","latest":"2026-08-21T18:00:00Z"},"flag":"🇳🇬","generated_at_utc":"2026-10-24T13:40:55.641382Z","hashId":"1aa0942d4864","id":"NG-2026-0147","incidentType":"censorship","measurementCount":1,"mechanism":"HTTP header manipulation","normalOoniObservationCount":0,"normalOoniObservationNote":"These linked OONI rows carry the historical signal_level='normal' stored label and are quarantined from qualifying evidence pending regrade. The label is not proof that every row was accessible or anomaly-free: low-anomaly rows and rows with an omitted confirmed result may be present.","normalOoniObservations":[],"readableId":"NG-2026-0147","reportUrl":"https://api.voidly.ai/data/incidents/1aa0942d4864/report?format=markdown","revision":1,"severity":"critical","severityGrade":"B","sources":["ooni"],"startTime":"2026-08-21T00:00:00Z","status":"suspected","title":"Censorship detected in NG","updatedAt":"2026-08-22T03:23:01.588716"}