Was PH ARCHITECTURE hit by ransomware?

PH ARCHITECTURE was listed by the bluebox 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 bluebox ransomware group?

bluebox 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 PH ARCHITECTURE breach?

bluebox published data attributed to PH ARCHITECTURE. Darkfield captured the leak post and a screenshot of the listing.

Ransomware victim disclosure

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PH ARCHITECTURE

Claimed by Bluebox · listed 2 years ago

19m

Age

since listed · data leaked

Status timeline

ListedDec 11, 2024
Data leakeddate unknown

At a glance

Group: Bluebox
Status: Data leaked
Country: France
Sector: Business Services
Listed on leak site: Dec 11, 2024

About the victim

AI dossier — public-source company profile

PH Architecture is a French architectural design company operating under the domain pharchitecture.fr. Limited public information is available.

Industry: Architecture & Design

Attack summary

Severity: medium — Data has been published (disclosed_status: data_published), confirming exfiltration occurred. However, no proof files, data inventory, or sensitive data categories are documented in the available post. Severity is elevated from low due to confirmed publication but cannot be ranked higher without evidence of regulated/sensitive data types.

The bluebox ransomware group claims to have attacked PH Architecture and published data. No specific details on exfiltration scope or encryption status are provided in the available post.

medium

What the group claims

French architectural design company

Sources

Source

Indexed 2 years 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 bluebox

Bluebox is a recently emerged ransomware operation first observed in December 2024, appearing to be financially motivated based on typical ransomware monetization patterns. The group's origin and potential affiliations remain unclear due to its recent emergence, and it is unknown whether they operate as an independent entity or utilize a Ransomware-as-a-Service model. With only three documented victims across France and Sweden, primarily targeting business services and manufacturing sectors, the group's attack methodology, initial access vectors, and technical capabilities have not been extensively documented by major security research organizations. Due to the limited public reporting from established threat intelligence sources like CISA, FBI, or Mandiant, specific details about their encryption methods, extortion tactics, or notable campaigns cannot be confirmed. The group appears to remain active as of early 2024, though their operational scope and impact remain minimal compared to established ransomware families. The group has been linked to 3 public disclosures across our corpus. First observed on a leak site on December 11, 2024; most recent post December 17, 2024. The operation is currently inactive.

Timeline of this disclosure

December 11, 2024PH ARCHITECTURE listed by blueboxon the group's public leak site

Other recent disclosures by bluebox

bluebox has been linked to 3 public victims on Darkfield. A sample of the most recent:

See the full bluebox dossier →

Sector and geography

This disclosure adds to ransomware activity in the Business Services sector, which has 3,796 disclosures indexed across all operators we track. Geographically, PH ARCHITECTURE is reported in France, a country with 612 ransomware disclosures in our corpus.

If your organisation is affected

A listing by bluebox means PH ARCHITECTURE 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 bluebox'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.