Was www.pierrefeu.fr hit by ransomware?

www.pierrefeu.fr was listed by the krybit ransomware operation (France), and stolen data was published on the group's leak site. Darkfield tracks this disclosure with the original leak post, screenshot and group context.

Who is the krybit ransomware group?

krybit is a ransomware operator tracked by Darkfield. See the full operator dossier for its known victims, sectors targeted, IOCs and leak-site infrastructure.

What data was leaked in the www.pierrefeu.fr breach?

krybit published data attributed to www.pierrefeu.fr. Darkfield captured the leak post and a screenshot of the listing.

Ransomware victim disclosure

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www.pierrefeu.fr

Claimed by Krybit · listed 1 hour ago

Today

Age

since listed · data leaked

Status timeline

ListedOct 2, 2026
Data leakeddate unknown

At a glance

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

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 1 hour 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.

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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 159 public disclosures across our corpus. First observed on a leak site on April 3, 2026; most recent post October 2, 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 159 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.