Was fidelia-consulting.com hit by ransomware?

fidelia-consulting.com was listed by the Dispossessor 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 Dispossessor ransomware group?

Dispossessor 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 fidelia-consulting.com breach?

Dispossessor published data attributed to fidelia-consulting.com. Darkfield captured the leak post and a screenshot of the listing.

Ransomware victim disclosure

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Fidelia Consulting

listed as fidelia-consulting.com · Claimed by Dispossessor · listed 2 years ago

24m

Age

since listed · data leaked

Status timeline

ListedJul 12, 2024
Data leakeddate unknown

At a glance

Group: Dispossessor
Status: Data leaked
Country: France
Sector: Business Services
Listed on leak site: Jul 12, 2024

About the victim

AI dossier — public-source company profile

Fidelia Consulting is an accounting firm based in Nanterre, near Paris, established in 2010. They provide accounting, payroll management, legal and tax advice, and business creation support to clients across construction, e-commerce, restaurants, and freelance sectors.

Industry: Accounting & Tax Advisory Services
Address: Nanterre, France
Founded: 2010

Attack summary

Severity: high — Accounting firm breach with confirmed data publication. Likely exposure of client PII, financial records, and tax information at scale—sensitive regulated data affecting multiple business sectors.

The Dispossessor group claims to have compromised Fidelia Consulting and published exfiltrated data. No specific details on data categories or proof count are provided in the available post excerpt.

high

Data the group says was taken

AI dossier — extracted from the leak post

Client accounting records
Payroll information
Tax documentation
Business formation records
Client personal/financial data

What the group claims

Fidelia Consulting is an accounting firm based in Nanterre, near Paris. The firm offers a range of services including accounting, payroll management, legal and tax advice, and business creation support. Established in 2010, they focus on personalized client relationships and cater to various sectors such as construction, e-commerce, restaurants, and freelancers.

Sources

Leak posthttp://e27z5kd2rjsern2gpgukhcioysqlfquxgf7rxpvcwepxl4lfc736piyd.onion/blogs/1368

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 Dispossessor

Dispossessor is a recently emerged ransomware group that began operations in April 2024, primarily motivated by financial gain through extortion campaigns targeting organizations across multiple sectors. The group's country of origin and potential affiliations with other ransomware operations remain unclear based on publicly available intelligence, and there is insufficient documented evidence to confirm whether they operate as a Ransomware-as-a-Service model or as an independent entity. Given the group's recent emergence, detailed technical analysis of their attack methodology, specific initial access vectors, encryption techniques, and data exfiltration practices have not been extensively documented by major cybersecurity firms or law enforcement agencies, though their targeting patterns suggest they employ typical ransomware deployment strategies against business services, healthcare, technology, financial services, and manufacturing sectors. The group has reportedly compromised 344 victims since their emergence, with primary targeting focus on organizations in the United States, Canada, France, the United Kingdom, and India, indicating a preference for English-speaking and Western European targets. As of current reporting, Dispossessor appears to remain active with no documented law enforcement disruption actions or confirmed rebranding activities, though the limited timeframe since their emergence in April 2024 means their operational longevity and persistence remain to be determined. The group has been linked to 344 public disclosures across our corpus. First observed on a leak site on April 19, 2024; most recent post August 11, 2024. The operation is currently inactive.

Timeline of this disclosure

July 12, 2024fidelia-consulting.com listed by Dispossessoron the group's public leak site

Other recent disclosures by Dispossessor

Dispossessor has been linked to 344 public victims on Darkfield. A sample of the most recent:

See the full Dispossessor 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, fidelia-consulting.com is reported in France, a country with 612 ransomware disclosures in our corpus.

If your organisation is affected

A listing by Dispossessor means fidelia-consulting.com 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 Dispossessor'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.