# Internet connectivity disruption in Tanzania

**Country:** 🇹🇿 Tanzania (TZ)
**Date:** 2026-09-10
**Type:** Mixed
**Severity:** CRITICAL
**Status:** active

## Summary

IODA detected significant connectivity drop in Tanzania. 9 critical alerts recorded. CenAlert confirms censorship activity.

## Metrics

- Confidence: 70%
- Measurements: 9
- Anomaly Rate: 7.1%

## Evidence

- **IODA** (alert): IODA detected critical level outage for Dar-Es-Salaam
  - Observed: 2026-09-10
  - Confidence: 65%
  - [IODA live national dashboard (not a per-event permalink)](https://ioda.inetintel.cc.gatech.edu/country/TZ)
- **IODA** (alert): IODA detected critical level outage for Mbeya
  - Observed: 2026-09-10
  - Confidence: 65%
  - [IODA live national dashboard (not a per-event permalink)](https://ioda.inetintel.cc.gatech.edu/country/TZ)
- **IODA** (alert): IODA detected critical level outage for Mwanza
  - Observed: 2026-09-10
  - Confidence: 65%
  - [IODA live national dashboard (not a per-event permalink)](https://ioda.inetintel.cc.gatech.edu/country/TZ)
- **IODA** (alert): IODA detected critical level outage for Shinyanga
  - Observed: 2026-09-10
  - Confidence: 65%
  - [IODA live national dashboard (not a per-event permalink)](https://ioda.inetintel.cc.gatech.edu/country/TZ)
- **IODA** (alert): IODA detected critical level outage for Morogoro
  - Observed: 2026-09-10
  - Confidence: 65%
  - [IODA live national dashboard (not a per-event permalink)](https://ioda.inetintel.cc.gatech.edu/country/TZ)
- **IODA** (alert): IODA detected critical level outage for Pwani
  - Observed: 2026-09-10
  - Confidence: 65%
  - [IODA live national dashboard (not a per-event permalink)](https://ioda.inetintel.cc.gatech.edu/country/TZ)
- **IODA** (alert): IODA detected critical level outage for Dodoma
  - Observed: 2026-09-10
  - Confidence: 65%
  - [IODA live national dashboard (not a per-event permalink)](https://ioda.inetintel.cc.gatech.edu/country/TZ)
- **IODA** (alert): IODA detected critical level outage for Arusha
  - Observed: 2026-09-10
  - Confidence: 65%
  - [IODA live national dashboard (not a per-event permalink)](https://ioda.inetintel.cc.gatech.edu/country/TZ)
- **IODA** (alert): IODA detected critical level outage for Tanga
  - Observed: 2026-09-10
  - Confidence: 65%
  - [IODA live national dashboard (not a per-event permalink)](https://ioda.inetintel.cc.gatech.edu/country/TZ)
- **CENSOREDPLANET** (http-probe): HTTP blocking (timeout): 2/4 probes blocked (50.0%) for protonvpn.com
  - Observed: 2026-09-10
  - Confidence: 80%
  - [CensoredPlanet raw-data portal (no per-measurement permalink)](https://data.censoredplanet.org)
- **CENSOREDPLANET** (http-probe): HTTP blocking (timeout): 2/4 probes blocked (50.0%) for telegram.org
  - Observed: 2026-09-10
  - Confidence: 80%
  - [CensoredPlanet raw-data portal (no per-measurement permalink)](https://data.censoredplanet.org)

## 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.

## Data Sources

ioda, censoredplanet

## Citation

Voidly Research. (2026). Internet connectivity disruption in Tanzania [TZ-2026-0150]. Retrieved from https://voidly.ai/incident/TZ-2026-0150

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*Report generated by Voidly Research on 2026-09-12*
*Data licensed under CC BY 4.0*
*Incident ID: TZ-2026-0150*
*Permalink: https://voidly.ai/incident/TZ-2026-0150*