Was Arban & Carosi hit by ransomware?

Arban & Carosi was listed by the Incransom ransomware operation (United States), 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 Incransom ransomware group?

Incransom 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 Arban & Carosi breach?

Incransom published data attributed to Arban & Carosi. Darkfield captured the leak post and a screenshot of the listing.

Ransomware victim disclosure

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Arban & Carosi

Claimed by Incransom · listed 3 months ago

Age

since listed · data leaked

Status timeline

ListedApr 30, 2026
Data leakeddate unknown

At a glance

Group: Incransom
Status: Data leaked
Country: United States
Sector: Business Services
Listed on leak site: Apr 30, 2026

About the victim

AI dossier — public-source company profile

Arban & Carosi appears to be a US-based architecture or engineering firm operating in the business services sector. Based on the leak post, the company holds detailed building plans, including those for US Army facilities, suggesting involvement in government and defence-related construction or design projects. No public site was available to confirm further operational details.

Industry: Architecture & Engineering Services

Attack summary

Severity: critical — The exfiltration includes sensitive PII at scale, financial records, and — critically — detailed architectural plans of US Army buildings, which constitutes potential exposure of defence/government infrastructure data, elevating this to critical severity.

The incransom group claims to have exfiltrated approximately 1TB of data including employee PII, financial documentation, customer records, internal correspondence, and detailed architectural plans of buildings including US Army facilities, with a stated intent to publish all data within one week.

critical

Data the group says was taken

AI dossier — extracted from the leak post

Employee names and positions
Personal and work email addresses
Employee phone numbers
Contracts
Invoices
Revenue data
Customer contact details
Project details
Internal service emails
Internal process documentation
Company plans and strategy documents
Detailed architectural/building plans
US Army building plans

What the group claims

Arban Carosi: 1TB customer and company data leaked due to negligence. * * Full employee base: Including names, positions, personal and work email addresses, phone numbers. * * Financial Documentation: Contracts, Invoices, Revenue Data * * Customer base: Customer contact details, project details * * Internal correspondence: Service emails and documents disclosing internal processes and company plans. !! In the screenshots, you can see that we have accessed detailed plans of various buildings, including U.S. Army buildings!! We will publish all the data in a week and everyone can use it for their own purposes.

Sources

Leak posthttp://incblog6qu4y4mm4zvw5nrmue6qbwtgjsxpw6b7ixzssu36tsajldoad.onion/blog/disclosures/69ddba468f1d14b743d54bff

Source

Indexed 3 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 Incransom

Incransom is a ransomware group that emerged in August 2023, operating with primarily financial motivations as evidenced by their targeting of high-value sectors across multiple developed nations. The group's origin and specific affiliations remain undocumented by major threat intelligence organizations, though their operational patterns suggest they likely operate independently rather than as a ransomware-as-a-service model. With 734 documented victims, Incransom has demonstrated a preference for targeting organizations in the United States, Canada, United Kingdom, Germany, and Australia, with particular focus on healthcare, technology, business services, and manufacturing sectors, though their attack methodology and specific technical capabilities have not been extensively documented by established security researchers or government agencies. The group's notable campaigns and specific high-profile victims have not been publicly detailed by CISA, FBI, Mandiant, or other reputable threat intelligence sources, suggesting either operational security effectiveness or limited visibility into their most significant operations. Based on available intelligence, Incransom appears to remain active as of recent reporting periods, though comprehensive analysis of their current operational status requires additional documentation from established threat intelligence sources. The group has been linked to 1,712 public disclosures across our corpus. First observed on a leak site on September 9, 2021; most recent post July 14, 2026. The operation is currently active.

Also tracked as: inc ransom, INC.

Timeline of this disclosure

April 30, 2026Arban & Carosi listed by Incransomon the group's public leak site

Other recent disclosures by Incransom

Incransom has been linked to 1,712 public victims on Darkfield. A sample of the most recent:

See the full Incransom 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, Arban & Carosi is reported in United States, a country with 3,115 ransomware disclosures in our corpus.

If your organisation is affected

A listing by Incransom means Arban & Carosi 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, CISA (United States), as required for your jurisdiction.
Monitor for the data appearing on Incransom'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.