# Vanta: Critical incident: Vanta web app loading issues (US region)

**Summary:** Vanta reported a critical outage affecting US-region web app loading, with slowness and errors across the platform attributed to the AWS US-East-1 outage. It started at 2025-10-20 15:25 UTC and was resolved at 2025-10-20 22:26 UTC, lasting 7 h 0 min; Vanta confirmed the web app was stable in all regions. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2025-10-20 15:25 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/msz62wwh78sj](https://stspg.io/msz62wwh78sj)
- [Company: Vanta](https://rewindex.com/company/vanta.md)
- Versions: before (none: first archived) → after incident\_version:322/246251719bck@a63a6d55e29a
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Vanta web app loading issues (US region)
```

**2. Added: Impact**

```diff
+ critical
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2025-10-20 15:25 UTC
```

**5. Added: Resolved time**

```diff
+ 2025-10-20 22:26 UTC
```

**6. Added: Affected components**

```diff
+ Core App, Vanta Web App - Core App
```

**7. Added: Update** (investigating) · 2025-10-20 15:25 UTC

```diff
+ The Vanta web app is failing to load for a large number of users in the US region. The engineering team is investigating.
```

**8. Added: Update** (identified) · 2025-10-20 16:53 UTC

```diff
+ We are experiencing degradation from the major outage affecting Amazon Web Services (AWS) in the US-East-1 region. Customer domains hosted in the US region remain degraded and are experiencing slowness and errors across the platform. Our team is working closely with AWS and continuing efforts to stabilize the platform, but we expect customers to continue seeing periods of elevated latency and increased error rates until services are fully restored.
```

**9. Added: Update** (monitoring) · 2025-10-20 20:02 UTC

```diff
+ AWS recovery efforts are still ongoing for the US-East-1 region outage. Our team is still working with AWS and will provide updates as recovery efforts progress. Customers may continue to see periods of elevated latency and occasional errors until services are fully restored.
```

**10. Added: Update** (resolved) · 2025-10-20 22:26 UTC

```diff
+ The Vanta web app is now stable in all regions.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2025-10-20 15:25 UTC | Critical incident: Vanta web app loading issues (US region) (this change) | outage |

All Vanta changes: [timeline](https://rewindex.com/company/vanta/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._


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Canonical: https://rewindex.com/change/i6872c1b3a6132a · Markdown: https://rewindex.com/change/i6872c1b3a6132a.md · JSON: https://rewindex.com/api/v1/changes/i6872c1b3a6132a · Generated 2026-10-18T03:55:53.366Z