---
title: "Data breach at Biocoop"
description: "An individual using the alias Venus1337 claims to have breached the extranet of the French organic grocery chain Biocoop and is distributing a leak of roughly 2.76 GB of internal data. The claimed dataset covers close to 6,900 individuals, mainly employees, store managers and head-office staff. Expo"
canonical: https://inyourgeek.com/en/fuites-de-donnees/2026-09-20-biocoop
type: fuite-de-donnees
author: "Sébastien Soulier"
publisher: "InYourGeek"
language: en
datePublished: 2026-09-20
dateModified: 2026-09-20
---
# Biocoop

Data breach — Moderate

An individual using the alias Venus1337 claims to have breached the extranet of the French organic grocery chain Biocoop and is distributing a leak of roughly 2.76 GB of internal data. The claimed dataset covers close to 6,900 individuals, mainly employees, store managers and head-office staff. Exposed fields reportedly include names, job titles, email addresses, phone numbers, internal and login identifiers, and non-reversible password hashes; no customer data or banking details were reported. Biocoop had not publicly confirmed the incident at the time of writing.

The exposed login identifiers and password hashes could facilitate unauthorized access attempts to internal accounts or targeted phishing campaigns against network staff.

| Fact | Value |
| --- | --- |
| Disclosed on | September 20, 2026 |
| Accounts affected | 6,900 |
| Sector | Retail |
| Country | France |
| Cause | Misconfigured database |
| Severity | Moderate |
| Status | Reported |

## Exposed data

- Full name
- Email address
- Phone number
- Customer ID
- Connection data (IP, logs)
- Employment data
- Password (hashed)

## What you can do

- Change that password — and everywhere you reused it. That is how a leak spreads to your other accounts.
- Turn on two-factor authentication on the affected accounts: a stolen password is then no longer enough.
- Expect phishing attempts quoting your name and this company. A message that knows your details is not legitimate for that reason.
- You can ask the organisation exactly what was exposed about you (right of access), and complain to the DPA if no answer comes within a month.

## Sources

- [Biocoop](https://frenchbreaches.com/alertes/biocoop-mua6zxxgg1gjqmuiut) — FrenchBreaches
- [Biocoop : 2,8 Go de données internes exposés après une cyberattaque](https://www.cyberattaque.org/biocoop-28-go-de-donnees-internes-exposes-apres-une-cyberattaque/) — Cyberattaque.org
- [Biocoop : fuite de données revendiquée visant 6 902 personnes](https://fuitesinfos.fr/article/2026-09-20-biocoop) — Fuites Infos

_Entry built from the cited sources after a corroboration check, then reviewed before publication._

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