Skip to main content
Darkfield

Ransomware victim disclosure

← All victims

Pierrefeu Immobilier

listed as www.pierrefeu.fr · Claimed by Krybit · listed 10 days ago

10d
Age
since listed · data leaked

Status timeline

  1. ListedOct 2, 2026
  2. Data leakeddate unknown

At a glance

Group
Krybit
Status
Data leaked
Country
France
Listed on leak site
Oct 2, 2026

About the victim

AI dossier — public-source company profile

Pierrefeu Immobilier is an independent French real estate agency headquartered in Tarare, near Lyon, operating since 1963. The agency operates 3 branches and 1 affiliated agency, specializing in property sales, rental management, condominium administration (syndic de copropriété), and new development programs across the Nord-Ouest Lyonnais region.

Industry
Real Estate Agency (Transaction, Rental Management, Property Administration, New Development)
Address
1C Avenue Edouard Herriot, 69170 Tarare, Auvergne-Rhône-Alpes, France (HQ); 3 additional branches in Val-d'Oingt, Amplepuis, and La Tour-de-Salvagny
Founded
1963

Attack summary

Severity: low — Leak post contains only publicly available company information (addresses, phone numbers, management names, business description). No proof files are advertised, no exfiltration of sensitive customer or operational data is claimed, and no operational disruption is stated.

The krybit group claims to have compromised Pierrefeu Immobilier and has published data. The leak post provides company details and contact information but does not specify what data was exfiltrated, encrypted, or the nature of the attack.

low

What the group claims

Pierrefeu Immobilier is an independent French real estate agency founded in 1963, headquartered in Tarare, in the Nord-O...

The leak post

captured from the group's site
Pierrefeu Immobilier is an independent French real estate agency founded in 1963, headquartered in Tarare, in the Nord-Ouest Lyonnais area, Auvergne-Rhône-Alpes, France. Specializing in real estate transaction (buying and selling), rental management (gestion locative), condominium management (syndic de copropriété), and new development programs (programmes neufs), the agency operates under Groupe Pierrefeu with 3 branches and an affiliated agency. Managing partners are Jean-Christophe Pierrefeu, Mathieu Pierrefeu, and Mikaël Paillasson.
Agence Tarare (HQ): 1C Avenue Edouard Herriot, 69170 Tarare, Auvergne-Rhône-Alpes, France
TEL (Tarare): 04 74 05 05 75
Agence Val d'Oingt / Bois d'Oingt: 151 Place Bernigal Guillermin, Le Bois-d'Oingt, 69620 Val-d'Oingt
TEL (Val d'Oingt): 04 74 72 44 86
Agence Amplepuis: 2 Place Chomienne, 69550 Amplepuis
TEL (Amplepuis): 04 74 89 34 34
Affiliated Agency (Immobilière de Salvagny): 12 Rue de Paris, 69890 La Tour-de-Salvagny
TEL: 09 83 55 75 59
Sector: Real Estate (Transaction, Rental Management, Syndic, New Programs)
Revenue: not publicly disclosed (small independent agency)

Sources

Source

Indexed 10 days ago

This page surfaces a public ransomware disclosure indexed by Darkfield. Original posts come from the operator's own leak site; we cross-check against ransomware.live, RansomLook and RansomWatch where applicable. Share this URL freely.

Is this your supplier? Your competitor? You?

Pro plans monitor your domain, corporate emails, and crypto wallets across every new ransomware leak-site post, breach dump and Telegram callout — alerts within 5 minutes.

Disclosure context

About krybit

Krybit is an emerging ransomware group that was first observed in April 2026, operating with apparent financial motivations based on their limited documented attacks against diverse sectors. The group's origin and affiliations remain unclear due to limited public intelligence, and it is unknown whether they operate as a Ransomware-as-a-Service model or as an independent entity. With only four known victims documented across geographically diverse regions including Mexico, Austria, Japan, and Botswana, the group appears to employ broad targeting rather than focused regional or sector-specific campaigns, though their attack methodology, encryption techniques, and data exfiltration practices have not been publicly documented by major security firms or law enforcement agencies. No notable high-profile campaigns or significant ransoms have been publicly reported, and no law enforcement actions against the group have been documented. Given the recent emergence of this group and extremely limited public reporting, Krybit's current operational status and capabilities remain largely unknown to the broader cybersecurity community. The group has been linked to 162 public disclosures across our corpus. First observed on a leak site on April 3, 2026; most recent post October 4, 2026. The operation is currently active.

Timeline of this disclosure

  • October 2, 2026www.pierrefeu.fr listed by krybit on the group's public leak site

Other recent disclosures by krybit

krybit has been linked to 162 public victims on Darkfield. A sample of the most recent:

See the full krybit dossier →

Sector and geography

Geographically, www.pierrefeu.fr is reported in France, a country with 242 ransomware disclosures in our corpus.

If your organisation is affected

A listing by krybit means www.pierrefeu.fr appeared on a ransomware extortion site and data attributed to it has been published. If this is your organisation, or a supplier you depend on, the priority is to confirm the intrusion and contain it before the window to act closes.

  • Engage your incident-response team and preserve forensic evidence before remediating — do not wipe affected systems first.
  • Force a password reset and revoke active sessions for exposed accounts; rotate any credentials, API keys or certificates that may have been in the stolen data.
  • Assess regulatory notification duties (GDPR, NIS2, sector regulators) — many carry a 72-hour reporting clock from awareness.
  • Report the incident to your national CERT, CERT-FR (France), as required for your jurisdiction.
  • Monitor for the data appearing on krybit's leak site and across paste and breach channels, and brief downstream partners who may be exposed through you.

How we know this. Darkfield monitors public ransomware leak sites continuously, archiving every new disclosure and the data later released against the victim. Each entry on this page is sourced from the operator's own publication and cross-checked against complementary OSINT feeds (RansomLook, ransomware.live, RansomWatch). We do not collect or host stolen data — only the metadata, timestamps and screenshots needed to make the public disclosure searchable and accountable. Records here are corrected when the original post is edited, retracted, or merged with another disclosure.