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Accretech America Inc.

Claimed by AiLock · listed 2 months ago

6 TB
Data size
2m
Age
since listed · data leaked

Status timeline

  1. ListedMay 11, 2026
  2. Data leakeddate unknown

At a glance

Group
AiLock
Status
Data leaked
Country
United States
Sector
Manufacturing
Listed on leak site
May 11, 2026
Data size
6 TB

About the victim

AI dossier — public-source company profile

Accretech America Inc. is the U.S. division of Tokyo Seimitsu Co., Ltd., a Japanese corporation specialising in semiconductor equipment and precision instrumentation. Its U.S.-facing brand Accretech SBS Inc. develops automatic balancing and process control solutions for industrial grinding machines, as well as rugged sensor measurement tools for geometric dimensioning and tolerancing (GD&T) applications. The company serves industrial manufacturing customers and operates an international product line with support resources in English, German, and Japanese.

Industry
Semiconductor Equipment & Precision Instrumentation / Industrial Balancing Systems

Attack summary

Severity: high — Data has been published by the threat actor (data_published status), confirming exfiltration rather than a mere listing. The victim is a U.S. subsidiary of a Japanese semiconductor and precision instrumentation conglomerate, making exfiltrated business and potentially technical/IP data significant. No specific regulated PII at scale or critical infrastructure impact is confirmed, keeping this at high rather than critical.

The AiLock ransomware group claims an attack on Accretech America Inc. and has published data (disclosed status: data_published), indicating exfiltration of company data; no ransom amount or specific data volume was stated in the post.

high

What the group claims

Accretech America Inc. is the U.S. division of Tokyo Seimitsu Co., Ltd. of Japan, a Japanese corporation specialising in semiconductor equipment and precision instrumentation.

The leak post

captured from the group's site
Good morning. Thou hast had a good night's sleep, I hope.
FUJIFILM Speciality Ink Systems 6Tb uncompressed data
proservicecall.com prvn.com 199Gb uncompressed data
Integral Analytics specializes in data intelligence solutions for the energy sector, focusing on improving planning and forecasting for utilities, producers, manufacturers, and regulators. Their flagship products include LoadSEER, DSMore, and IDROP, which assist in energy efficiency, demand response, and distributed energy resource management.
AJ Networks Co. Ltd is a company that operates in the Other Rental Stores (Furniture, A/V, Construction & Industrial Equipment) industry. It employs 500to999 people and has 500Mto1G of revenue. The company is headquartered in Seoul, South Korea.
Revival Animal Health was founded in 1989 by Dr. Roy Nielsen, Jr., affectionately known as "Doc Roy." Quickly the company expanded from pet vaccines to an extensive line of pet healthcare products.
HomeSite Services Inc., a residential, commercial and retail services company, was founded in 2005 with three goals in mind: to perform superior work, offer quality products, and provide our clients with unbeatable service.
Founded in 1942, Lewis…

Screenshot of the leak post

Leak screenshot for Accretech America Inc.

Sources

Source

Indexed 2 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 AiLock

AiLock is an emerging ransomware group first observed in March 2026 with a primarily financial motivation, having targeted at least 24 known victims across multiple sectors. The group's origin and affiliations remain largely undocumented by major threat intelligence organizations, though their targeting patterns suggest a broad operational scope spanning the United States, Canada, Great Britain, China, and Germany. Based on publicly available information from security researchers, AiLock appears to focus on technology companies, consumer services, manufacturing, and public sector entities, though specific attack methodologies, initial access vectors, and encryption techniques have not been extensively documented by CISA, FBI, or major security firms. The group's relatively recent emergence and limited public documentation suggest they may be a smaller operation or newly formed entity, with no notable major campaigns or high-profile ransoms publicly reported by established threat intelligence sources. Given the March 2026 first observation date and lack of subsequent major public reporting, AiLock's current operational status and capabilities remain largely undetermined by mainstream cybersecurity organizations. The group has been linked to 47 public disclosures across our corpus. First observed on a leak site on March 3, 2026; most recent post July 15, 2026. The operation is currently active.

Timeline of this disclosure

  • May 11, 2026Accretech America Inc. listed by AiLockon the group's public leak site
Data size
6 TB

Other recent disclosures by AiLock

AiLock has been linked to 47 public victims on Darkfield. A sample of the most recent:

See the full AiLock dossier →

Sector and geography

This disclosure adds to ransomware activity in the Manufacturing sector, which has 3,681 disclosures indexed across all operators we track. Geographically, Accretech America Inc. is reported in United States, a country with 3,115 ransomware disclosures in our corpus.

If your organisation is affected

A listing by AiLock means Accretech America Inc. 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 AiLock'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.