Was ARRCO LSM hit by ransomware?

ARRCO LSM was listed by the ralord ransomware operation (Norway), 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 ralord ransomware group?

ralord 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 ARRCO LSM breach?

ralord published data attributed to ARRCO LSM. Darkfield captured the leak post and a screenshot of the listing.

Ransomware victim disclosure

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ARRCO LSM

Claimed by Ralord · listed 1 year ago

15m

Age

since listed · data leaked

Status timeline

ListedApr 15, 2025
Data leakeddate unknown

At a glance

Group: Ralord
Status: Data leaked
Country: Norway
Listed on leak site: Apr 15, 2025

About the victim

AI dossier — public-source company profile

ARRCO (Lights Sound Magic) is a professional event technology company based in Hamar, Norway. They provide comprehensive solutions for events including sound systems, lighting, AV/projection, staging, pyrotechnics, project management, and equipment rental. They serve festivals, concerts, corporate events, theatre productions, and private occasions.

Industry: Event Technology & Production Services
Address: Hamar, Norway

Attack summary

Severity: low — Data has been published but no proof files or screenshots are documented in the available leak post. No specific data types or operational impact are detailed. The disclosure appears to be primarily an announcement without substantiating evidence.

The ransomware group ralord claims to have attacked ARRCO and published data. No specific details are provided in the leak post excerpt regarding what data was exfiltrated or whether encryption occurred.

low

What the group claims

ARRCO – Lights Sound Magic is a professional event technology company based in Hamar, Norway. They specialize in providing comprehensive solutions for events, including sound,...

Sources

Victim sitearrco.no
Leak posthttp://ralordqe33mpufkpsr6zkdatktlu3t2uei4ught3sitxgtzfmqmbsuyd.onion/arrco

Source

Indexed 1 year 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 ralord

Ralord is an emerging ransomware group first observed in March 2025, operating with primarily financial motivations based on their victim targeting patterns across multiple countries and sectors. The group's origin and affiliations remain unclear due to limited public documentation from established threat intelligence sources, though their targeting of Spanish and Brazilian organizations alongside other Latin American and European countries suggests possible regional familiarity or language capabilities. With only 19 documented victims since their emergence, ralord appears to operate as a smaller-scale ransomware operation, focusing primarily on manufacturing, hospitality and tourism, education, and technology sectors across Spain, Brazil, Saudi Arabia, France, and Argentina. The group's specific attack methodologies, initial access vectors, and whether they employ double or triple extortion tactics have not been publicly documented by major cybersecurity firms or law enforcement agencies. Due to the group's recent emergence and limited public reporting, no notable high-profile campaigns or significant ransoms have been documented in open-source intelligence reports from CISA, FBI, or established security research organizations. Given the recency of their first observed activity in March 2025, ralord appears to remain active, though comprehensive threat intelligence profiles from major security vendors have yet to be published. The group has been linked to 19 public disclosures across our corpus. First observed on a leak site on March 26, 2025; most recent post April 27, 2025. The operation is currently inactive.

Timeline of this disclosure

April 15, 2025ARRCO LSM listed by ralordon the group's public leak site

Other recent disclosures by ralord

ralord has been linked to 19 public victims on Darkfield. A sample of the most recent:

See the full ralord dossier →

Sector and geography

Geographically, ARRCO LSM is reported in Norway, a country with 41 ransomware disclosures in our corpus.

If your organisation is affected

A listing by ralord means ARRCO LSM 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, NorCERT (Norway), as required for your jurisdiction.
Monitor for the data appearing on ralord'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.