# Ransomware attacks claimed by The Gentlemen against INED and AC Environnement

> On October 31, 2026, AC Environnement and INED are listed on the leak site of the group The Gentlemen with a countdown, as part of claimed ransomware attacks. For AC Environnement, a possible data leak remains to be confirmed. For INED, the ransomware attack is also claimed by The Gentlemen.

**In brief**: Ongoing story bringing together 2 events nationwide, followed from 31 October 2026 to 31 October 2026. 2 articles from 1 source (cyber); last updated on 31 October 2026 at 10:16.

- Status: ongoing
- Category: Cyber
- Place: Nationwide
- First detected: 31 October 2026 at 10:16
- Updated: 31 October 2026 at 10:16
- Web page: https://acturadar.com/en/stories/204-ransomware-attacks-claimed-by-the-gentlemen-against-ined-and-ac-environnement

## Timeline (2 events)

### 31 October 2026 — [AC Environnement targeted by claimed ransomware attack](https://acturadar.com/en/events/5695-ac-environnement-targeted-by-claimed-ransomware-attack.md)

The French real estate diagnostics group AC Environnement is displayed on the leak site of the group The Gentlemen, with a countdown; a possible data leak remains to be confirmed.

1 sources, 1 articles · Nationwide

### 31 October 2026 — [INED targeted by ransomware attack claimed by The Gentlemen](https://acturadar.com/en/events/5694-ined-targeted-by-ransomware-attack-claimed-by-the-gentlemen.md)

The National Institute for Demographic Studies (INED) is displayed on the leak site of the group The Gentlemen with a countdown, as part of a ransomware attack claimed by the group.

1 sources, 1 articles · Nationwide

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Cite as: Acturadar, “Ransomware attacks claimed by The Gentlemen against INED and AC Environnement”, https://acturadar.com/en/stories/204-ransomware-attacks-claimed-by-the-gentlemen-against-ined-and-ac-environnement
Methodology: https://acturadar.com/en/methodology