# Twilio: Incident updated: Silent Network Authentication (SNA) Failure Increase on AT&T in United States

> Incident updated: Silent Network Authentication (SNA) Failure Increase on AT&T in United States. Detected 2026-10-20 by Rewindex: what changed on Twilio’s status page, with the before/after diff.

Canonical: https://rewindex.com/change/r2a1f33f6f64c92
Last updated: 2026-10-20T08:53:04Z

**Summary:** _summary pending_
- Kind: Incident update · Label: Normal progress (rule)
- Changed: 2026-10-20 08:53 UTC · Detected: 2026-10-20 08:53 UTC
- [Source: https://stspg.io/g83v994n3wvv](https://stspg.io/g83v994n3wvv)
- [Company: Twilio](https://rewindex.com/company/twilio.md)
- Versions: before incident\_version:125/sf1wgpv8z8hr@0e98c516dbd4 → after incident\_version:125/sf1wgpv8z8hr@b5901f97a42a
- Change 3 of 3 for this incident

Incident page (full timeline): [Silent Network Authentication (SNA) Failure Increase on AT&T in United States](https://rewindex.com/company/twilio/incidents/sf1wgpv8z8hr.md)
## What changed

**1. Changed: Status**

```diff
- monitoring
+ resolved
```

**2. Added: Resolved time**

```diff
+ 2026-10-20 08:45 UTC
```

**3. Added: Update** (monitoring) · 2026-10-20 08:45 UTC

```diff
+ We have observed recovery in API transactions for Silent Network Authentication (SNA) on AT&T in the United States and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
```

**4. Added: Update** (resolved) · 2026-10-20 08:45 UTC

```diff
+ The incident has been resolved and API transactions for Silent Network Authentication (SNA) on AT&T in the United States are operating normally.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-10-20 05:43 UTC | [Incident updated: Silent Network Authentication (SNA) Failure Increase on AT&T in United States](https://rewindex.com/change/r5f99a5f26ca2ad.md) | Normal progress |
| 2026-10-20 06:53 UTC | [Incident updated: Silent Network Authentication (SNA) Failure Increase on AT&T in United States](https://rewindex.com/change/rc6f5d153ec6cc0.md) | Normal progress |
| 2026-10-20 08:53 UTC | Incident updated: Silent Network Authentication (SNA) Failure Increase on AT&T in United States (this change) | Normal progress |

Previous: [change](https://rewindex.com/change/rc6f5d153ec6cc0.md) · All Twilio changes: [timeline](https://rewindex.com/company/twilio/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._

## Cite this

Incident updated: Silent Network Authentication (SNA) Failure Increase on AT&T in United States on Twilio’s status page, changed 2026-10-20 08:53 UTC (change 3 of 3).

- Canonical URL: https://rewindex.com/change/r2a1f33f6f64c92
- Citation: Twilio, “Incident updated: Silent Network Authentication (SNA) Failure Increase on AT&T in United States” (2026-10-20 08:53 UTC). Archived by Rewindex: https://rewindex.com/change/r2a1f33f6f64c92 (CC BY 4.0).
- Markdown link: `[Twilio: Incident updated: Silent Network Authentication (SNA) Failure Increase on AT&T in United States (2026-10-20)](https://rewindex.com/change/r2a1f33f6f64c92)`


---
Canonical: https://rewindex.com/change/r2a1f33f6f64c92 · Markdown: https://rewindex.com/change/r2a1f33f6f64c92.md · JSON: https://rewindex.com/api/v1/changes/r2a1f33f6f64c92 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-05T19:09:28.020Z