---
title: "Andromeda customer-credential incident"
description: "Andromeda detected unauthorized credential access on October 13, 2026, and disabled the compromised accounts that day."
incident_type: "Cybersecurity incident"
status: "active"
last_modified: "2026-11-04"
canonical_url: "https://www.ally.security/incidents/andromeda-customer-credential-incident-2026"
markdown_url: "https://www.ally.security/incidents/andromeda-customer-credential-incident-2026.md"
stix_url: "https://www.ally.security/incidents/andromeda-customer-credential-incident-2026/stix.json"
---

# Andromeda customer-credential incident

Andromeda detected unauthorized credential access on October 13, 2026, and disabled the compromised accounts that day.

Last modified Nov 4, 2026 · 1 source

## Summary

- **Environment:** AI infrastructure credentials
- **Operational impact:** Some company and customer credentials exposed
- **Financial impact:** No incident cost disclosed

## What happened

[Andromeda](https://andromeda.ai/) detected unauthorized credential access on October 13, 2026, and disabled the compromised accounts that day. [1](#source-1)

## Impact

Andromeda said a limited number of customer accounts were affected and certain company and customer credentials were exposed. It found no evidence of access to customer models, datasets or training data within its control. [1](#source-1)

## Timeline

### October 13, 2026 — Credential access detected and accounts disabled

Credential access detected and accounts disabled, according to the published account. [Incident notice](https://andromeda.ai/security-updates/october-2026-security-incident). [1](#source-1)

### October 20, 2026 — Security update published

Security update published, according to the published account. [Incident notice](https://andromeda.ai/security-updates/october-2026-security-incident). [1](#source-1)

### November 4, 2026 — Briefing updated

This briefing was last reviewed and updated on November 4, 2026.

## Threat Group & Attack Vector

Andromeda believed activity began around October 9 but had not established the root cause. Similar incidents at other providers do not establish a shared attacker. [1](#source-1)

### Actors

- No threat actor group has been identified in the reviewed public evidence.

### TTPs

- No specific MITRE ATT\&CK technique is currently mapped for this case.

## Response

Andromeda rotated affected keys, hardened infrastructure, contacted affected customers and engaged outside forensic teams. It reported no further unauthorized activity after disabling the accounts. [1](#source-1)

## Assets

[Download the case-scoped STIX 2.1 bundle](<https://www.ally.security/incidents/andromeda-customer-credential-incident-2026/stix.json>)

## Sources

Primary source records used to research this incident.

<a id="source-1"></a>

### Andromeda data security notice

official · Andromeda · Oct 20, 2026

<https://andromeda.ai/security-updates/october-2026-security-incident>

<details>
<summary>Evidence ledger</summary>

Review the supporting structured claims.

1. **Resulted In · 100% confidence · current**  
   Andromeda customer-credential incident: Andromeda detected unauthorized credential access on October 13, 2026, and disabled the compromised accounts that day.
2. **Occurred At · 100% confidence · current**  
   Credential access detected and accounts disabled: 2026-10-13
3. **Disclosed At · 100% confidence · current**  
   Andromeda customer-credential incident: 2026-10-20
4. **Resulted In · 100% confidence · current**  
   Andromeda customer-credential incident: Credential access detected and accounts disabled
5. **Occurred At · 100% confidence · current**  
   Security update published: 2026-10-20
6. **Discovered At · 100% confidence · current**  
   Andromeda customer-credential incident: 2026-10-13
7. **Resulted In · 100% confidence · current**  
   Andromeda customer-credential incident: Andromeda believed activity began around October 9 but had not established the root cause. Similar incidents at other providers do not establish a shared attacker.
8. **Affected Organization · 100% confidence · current**  
   Andromeda customer-credential incident: Andromeda
9. **Resulted In · 100% confidence · current**  
   Andromeda customer-credential incident: Security update published
10. **Resulted In · 100% confidence · current**  
   Andromeda customer-credential incident: Andromeda said a limited number of customer accounts were affected and certain company and customer credentials were exposed. It found no evidence of access to customer models, datasets or training data within its control.
11. **Resulted In · 100% confidence · current**  
   Andromeda customer-credential incident: Andromeda rotated affected keys, hardened infrastructure, contacted affected customers and engaged outside forensic teams. It reported no further unauthorized activity after disabling the accounts.

</details>