# Sigma Computing: Major incident: Export Failures Incident

**Summary:** Sigma Computing reported a major incident affecting password-authentication logins and scheduled exports across Azure, AWS and GCP, linked to an email-service disruption. Recorded from 2026-09-26 15:25 UTC to 2026-09-26 16:11 UTC (45 min), it was resolved after a fix; updates separately cited an approximate start of September 26, 2026, at 11:24 AM UTC. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-09-26 15:25 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/mkpxm54chr2x](https://stspg.io/mkpxm54chr2x)
- [Company: Sigma Computing](https://rewindex.com/company/sigma-computing.md)
- Versions: before (none: first archived) → after incident\_version:77/vj4whfqnfhsl@9e569c10f856
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Export Failures Incident
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-09-26 15:25 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-09-26 16:11 UTC
```

**6. Added: Affected components**

```diff
+ AWS - Sigma - AWS (Canada), AWS - Sigma - AWS (US), Azure - Sigma - Azure (US), GCP - Sigma - GCP (US), Sigma - AWS (Canada), Sigma - AWS (US), Sigma - Azure (US), Sigma - GCP (US)
```

**7. Added: Update** (investigating) · 2026-09-26 15:25 UTC

```diff
+ We are currently looking into reports that users with password authentication are unable to log in to Sigma, along with failures in scheduled report delivery. Both issues appear to stem from a disruption in the email service. We are actively investigating and will share an update as soon as more information is available. Our preliminary investigations indicate the following: Impacted Cloud Regions & Services: Azure, AWS, GCP Incident Start Time: Approximately September 26, 2026, at 11:24 AM UTC We will provide updates on this page when we have pertinent status updates.
```

**8. Added: Update** (investigating) · 2026-09-26 16:08 UTC

```diff
+ We've identified the root cause and applied a fix, and we're now monitoring the resolution. Scheduled exports should resume as expected, and users on orgs with password authentication should now be able to sign in.  Our preliminary investigations indicate the following: Impacted Cloud Regions: Azure, AWS, GCP Incident Start Time: Approximately September 26, 2026, at 11:24 AM UTC
```

**9. Added: Update** (resolved) · 2026-09-26 16:11 UTC

```diff
+ We've identified the root cause and applied a fix, and we're now monitoring the resolution. Scheduled exports should resume as expected, and users on orgs with password authentication should now be able to sign in.  Our preliminary investigations indicate the following: Impacted Cloud Regions: Azure, AWS, GCP Incident Start Time: Approximately September 26, 2026, at 11:24 AM UTC
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-09-26 15:25 UTC | Major incident: Export Failures Incident (this change) | outage |

All Sigma Computing changes: [timeline](https://rewindex.com/company/sigma-computing/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._


---
Canonical: https://rewindex.com/change/ia10c2442e95b78 · Markdown: https://rewindex.com/change/ia10c2442e95b78.md · JSON: https://rewindex.com/api/v1/changes/ia10c2442e95b78 · Generated 2026-10-18T02:29:10.372Z