Was VVS-Eksperten hit by ransomware?

VVS-Eksperten was listed by the Cicada3301 ransomware operation (Denmark), 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 Cicada3301 ransomware group?

Cicada3301 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 VVS-Eksperten breach?

Cicada3301 published data attributed to VVS-Eksperten. Darkfield captured the leak post and a screenshot of the listing.

Ransomware victim disclosure

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VVS-Eksperten

Claimed by Cicada3301 · listed 2 years ago

23m

Age

since listed · data leaked

Status timeline

ListedAug 12, 2024
Data leakeddate unknown

At a glance

Group: Cicada3301
Status: Data leaked
Country: Denmark
Sector: Business Services
Listed on leak site: Aug 12, 2024

About the victim

AI dossier — public-source company profile

VVS-Eksperten is a Danish nationwide chain of physical retail stores and an e-commerce platform specializing in plumbing products and supplies for residential, commercial, and environmentally conscious installations. The company positions itself as a low-cost supplier serving businesses of all sizes and individual consumers across Denmark.

Industry: Plumbing & Building Supplies Retail

Attack summary

Severity: medium — Exfiltration of customer database is confirmed (screenshots referenced), but the sensitivity level of the data is unclear—plumbing retail customer records are typically lower-risk than financial or medical data. No ransom demand stated; no operational disruption claimed. The group's post reads partially as a company description rather than a substantive breach announcement.

Cicada3301 claims to have exfiltrated VVS-Eksperten's full customer database. The group references screenshots as proof but provides no specific detail on the scope or sensitivity of the extracted data.

medium

Data the group says was taken

AI dossier — extracted from the leak post

customer database
client records

What the group claims

At VVS-Eksperten, we deliver solid quality products and we are always up to date on the latest productions in the industry. At VVS-Eksperten, we are specialists in our field, and we are always ready to help our customers achieve their goals with all their projects – both large and small. Cheap plumbing for everyone. VVS-Eksperten is a nationwide chain with nationwide stores that sell various different plumbing articles for both house, garden and environmentally conscious installations. At VVS-Eksperten, we are proud to be able to supply cheap plumbing to all Danes - regardless of whether you are a small start-up, private or one of Denmark's leading companies. Regardless of whether you meet us in our physical stores or through our webshop, we are always ready to help you with professional advice, offers for projects and information about all our products. We offer cheap plumbing that helps you realize your dreams. We got full clients database as you can see in screenshots .

Sources

Victim sitevvs-eksperten.dk
Leak posthttp://cicadabv7vicyvgz5khl7v2x5yygcgow7ryy6yppwmxii4eoobdaztqd.onion/04c41q188f07uu9hhtxnzf41h858fs88

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 Cicada3301

Cicada3301 is a recently emerged ransomware group that began operations in June 2024, primarily motivated by financial gain through extortion activities targeting organizations across multiple sectors. The group's origin and affiliations remain largely undocumented in public threat intelligence reporting, with limited information available regarding their operational structure or potential connections to other cybercriminal organizations. Based on observed targeting patterns, Cicada3301 has demonstrated a preference for attacking business services, technology, manufacturing, and financial sector organizations, with their operations concentrated primarily in English-speaking countries including the United States, United Kingdom, and Canada, as well as extending to Spain and Singapore. The group has successfully compromised approximately 75 known victims since their emergence, though specific details regarding their attack methodologies, initial access vectors, encryption techniques, and extortion tactics have not been extensively documented in publicly available threat intelligence reports from major cybersecurity firms or government agencies. Given the limited public documentation available from CISA, FBI, Mandiant, or other reputable security researchers, the group's current operational status, technical capabilities, and specific attack infrastructure remain largely uncharacterized in open-source intelligence reporting. As of the most recent observations, Cicada3301 appears to remain active in conducting ransomware operations, though comprehensive analysis of their tactics, techniques, and procedures awaits more detailed public reporting from established threat intelligence sources. The group has been linked to 75 public disclosures across our corpus. First observed on a leak site on June 20, 2024; most recent post September 4, 2025. The operation is currently inactive.

Timeline of this disclosure

August 12, 2024VVS-Eksperten listed by Cicada3301on the group's public leak site

Other recent disclosures by Cicada3301

Cicada3301 has been linked to 75 public victims on Darkfield. A sample of the most recent:

See the full Cicada3301 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, VVS-Eksperten is reported in Denmark, a country with 25 ransomware disclosures in our corpus.

If your organisation is affected

A listing by Cicada3301 means VVS-Eksperten 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, CFCS (Denmark), as required for your jurisdiction.
Monitor for the data appearing on Cicada3301'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.