Was AIRCOND S.R.L. hit by ransomware?

AIRCOND S.R.L. was listed by the sinobi ransomware operation (Italy), 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 sinobi ransomware group?

sinobi 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 AIRCOND S.R.L. breach?

sinobi published data attributed to AIRCOND S.R.L.. Darkfield captured the leak post and a screenshot of the listing.

Ransomware victim disclosure

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AIRCOND S.R.L.

Claimed by Sinobi · listed 7 months ago

Age

since listed · data leaked

Status timeline

ListedDec 16, 2025
Data leakeddate unknown

At a glance

Group: Sinobi
Status: Data leaked
Country: Italy
Listed on leak site: Dec 16, 2025

About the victim

AI dossier — public-source company profile

AIRCOND S.R.L. is a small private limited company based at Piazza Lorenzo Lotto 11, Italy, registered under number RM1409319. The company specialises in the installation, maintenance, and repair of hydraulic, heating, and air conditioning systems in buildings and other constructions. It has been active since 6 June 2014 and currently employs one person.

Industry: HVAC & Plumbing Installation and Maintenance
Address: Piazza Lorenzo Lotto, 11, Italy
Employees: 1
Founded: 2014

Attack summary

Severity: medium — Data has been published (not merely listed), indicating confirmed exfiltration, but the company is a single-employee micro-enterprise in HVAC installation with no indication of regulated PII at scale, medical, financial, or government data, limiting overall severity.

The ransomware group Sinobi has published data related to AIRCOND S.R.L., with the disclosure status listed as data_published, indicating that exfiltrated data has been released. No specific details on the volume or nature of the published data are provided in the leak post.

medium

Data the group says was taken

AI dossier — extracted from the leak post

Company registration records
Business operational data

What the group claims

AIRCOND S.R.L. is based at PZA LORENZO LOTTO, 11, Italy and is a Private limited company (Ltd.) company. The company is listed as Active and employs 1 people. AIRCOND S.R.L. has the registration number RM1409319. The company began trading on 6 June 2014, and their principal business enterprise is Installation of hydraulic, heating and airconditioning systems (including maintenance and repair) in buildings or other constructions.

Sources

Leak posthttp://sinobi6ftrg27d6g4sjdt65malds6cfptlnjyw52rskakqjda6uvb7yd.onion/leaks/6941cea188b6823fa2b57db7

Source

Indexed 7 months 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 sinobi

Based on the limited publicly available information, Sinobi appears to be a recently emerged ransomware operation first observed in July 2025, with financial motivations evidenced by their targeting of 268 victims across multiple sectors. The group's origin and specific affiliations remain undocumented in public threat intelligence reporting, and there is no confirmed information regarding whether they operate as a Ransomware-as-a-Service model or as an independent entity. Their attack methodology and technical capabilities have not been extensively documented by major security research organizations, though their targeting patterns suggest a broad opportunistic approach rather than highly selective operations. The group demonstrates a preference for targeting organizations in the United States, India, United Kingdom, Canada, and Italy, with a focus on manufacturing, healthcare, construction, and technology sectors, suggesting they may exploit common vulnerabilities across these industries rather than deploying sophisticated, sector-specific attack vectors. No major high-profile campaigns or significant law enforcement actions against Sinobi have been publicly reported by CISA, FBI, or established threat intelligence firms. Given the recent emergence timeline and lack of extensive public documentation, the group's current operational status and long-term trajectory remain unclear, though the substantial victim count suggests continued activity as of the last available reporting period. The group has been linked to 274 public disclosures across our corpus. First observed on a leak site on July 5, 2025; most recent post May 8, 2026. The operation is currently active.

Timeline of this disclosure

December 16, 2025AIRCOND S.R.L. listed by sinobion the group's public leak site

Other recent disclosures by sinobi

sinobi has been linked to 274 public victims on Darkfield. A sample of the most recent:

See the full sinobi dossier →

Sector and geography

Geographically, AIRCOND S.R.L. is reported in Italy, a country with 635 ransomware disclosures in our corpus.

If your organisation is affected

A listing by sinobi means AIRCOND S.R.L. 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, CSIRT Italia (Italy), as required for your jurisdiction.
Monitor for the data appearing on sinobi'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.