# 1Password: Major incident: Device Trust Service Disruption

**Summary:** 1Password reported a major Device Trust disruption affecting the USA/Global Device Trust Authentication Service, with possible device posture check delays or authentication failures. It started at 2026-09-09 20:43 UTC and was resolved at 2026-09-09 21:11 UTC, lasting 27 min. The vendor identified and rolled back the triggering change. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-09-09 20:43 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/9sjwgt4v11kr](https://stspg.io/9sjwgt4v11kr)
- [Company: 1Password](https://rewindex.com/company/1password.md)
- Versions: before (none: first archived) → after incident\_version:302/nk0l5hd1n2y9@7cb71a6b579a
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Device Trust Service Disruption
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-09-09 20:43 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-09-09 21:11 UTC
```

**6. Added: Affected components**

```diff
+ Device Trust Authentication Service, USA/Global - Device Trust Authentication Service
```

**7. Added: Update** (investigating) · 2026-09-09 20:43 UTC

```diff
+ We are currently investigating reports of an incident affecting Device Trust. Some customers may experience delays in device posture checks or authentication failures. We will provide an update as soon as we have more information.
```

**8. Added: Update** (monitoring) · 2026-09-09 20:53 UTC

```diff
+ We have identified the triggering change and have rolled it back. We are monitoring to confirm that this has completely resolved the issue.
```

**9. Added: Update** (resolved) · 2026-09-09 21:11 UTC

```diff
+ This incident has been resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-09-09 20:43 UTC | Major incident: Device Trust Service Disruption (this change) | outage |

All 1Password changes: [timeline](https://rewindex.com/company/1password/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/i595056c8f57b56 · Markdown: https://rewindex.com/change/i595056c8f57b56.md · JSON: https://rewindex.com/api/v1/changes/i595056c8f57b56 · Generated 2026-10-18T01:30:27.848Z