---
title: "Ahold Delhaize cybersecurity incident"
description: "Ahold Delhaize disclosed a cybersecurity incident and precautionary system shutdowns on October 12, 2026."
incident_type: "Cybersecurity incident"
status: "active"
last_modified: "2026-10-13"
canonical_url: "https://www.ally.security/incidents/ahold-delhaize-cybersecurity-incident-2026"
markdown_url: "https://www.ally.security/incidents/ahold-delhaize-cybersecurity-incident-2026.md"
stix_url: "https://www.ally.security/incidents/ahold-delhaize-cybersecurity-incident-2026/stix.json"
---

# Ahold Delhaize cybersecurity incident

Some systems were taken offline while the company assessed a network security issue; stores remained open.

Last modified Oct 13, 2026 · 1 source

## Summary

- **Environment:** Corporate network and unspecified IT systems
- **Operational impact:** Some systems offline; stores reported open
- **Financial impact:** No incident cost established in the reviewed evidence

## What happened

[Ahold Delhaize](https://www.aholddelhaize.com/) reported a cybersecurity issue in its network and took some systems offline as a precaution. Its [October 12 statement](https://newsroom.aholddelhaize.com/ahold-delhaize-takes-precautionary-measures-following-cybersecurity-incident/) said assessment and mitigation were continuing. [1](#source-1)

## Impact

The company said stores remained open and continued serving customers. The notice does not establish data theft, an affected-person count or a quantified financial impact. [1](#source-1)

## Timeline

### October 12, 2026 — Precautionary shutdown disclosed

The company announced offline systems and an ongoing assessment. [1](#source-1)

### October 13, 2026 — Briefing updated

This briefing was last reviewed and updated on October 13, 2026.

## Threat Group & Attack Vector

The statement does not identify the access method, malware or root cause. [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

Containment and assessment were ongoing at disclosure. The reviewed notice does not announce completed recovery. [1](#source-1)

## Assets

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

## Sources

Primary source records used to research this incident.

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

### Ahold Delhaize takes precautionary measures following cybersecurity incident

official · Ahold Delhaize · Oct 12, 2026

<https://newsroom.aholddelhaize.com/ahold-delhaize-takes-precautionary-measures-following-cybersecurity-incident/>

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

Review the supporting structured claims.

1. **Resulted In · 100% confidence · current**  
   Ahold Delhaize cybersecurity incident: The company said its stores remained open and continued serving customers.
2. **Resulted In · 100% confidence · current**  
   Precautionary shutdown disclosed: Ahold Delhaize announced offline systems while assessment and mitigation continued.
3. **Resulted In · 100% confidence · current**  
   Ahold Delhaize cybersecurity incident: Ahold Delhaize reported a cybersecurity issue in its network and took some systems offline as a precaution.
4. **Occurred At · 100% confidence · current**  
   Precautionary shutdown disclosed: 2026-10-12
5. **Resulted In · 100% confidence · current**  
   Ahold Delhaize cybersecurity incident: Precautionary shutdown disclosed
6. **Resulted In · 100% confidence · current**  
   Ahold Delhaize cybersecurity incident: Assessment and mitigation were ongoing; the notice did not establish data theft, an attacker, a root cause, a financial loss or a completed recovery.
7. **Affected Organization · 100% confidence · current**  
   Ahold Delhaize cybersecurity incident: Ahold Delhaize
8. **Disclosed At · 100% confidence · current**  
   Ahold Delhaize cybersecurity incident: 2026-10-12

</details>