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Ransomware victim disclosure

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Shanghai Tunnel Engineering Co (Singapore) Pte Ltd

listed as Shanghai Tunnel Engineering Co Ltd · Claimed by Global · listed 3 days ago

2d
Age
since listed · data leaked

Status timeline

  1. ListedAug 28, 2026
  2. Data leakeddate unknown

At a glance

Group
Global
Status
Data leaked
Country
Singapore
Listed on leak site
Aug 28, 2026

About the victim

AI dossier — public-source company profile

STECS is a civil engineering and construction company based in Singapore, specializing in rail transit and underground infrastructure projects. The company has completed over 30 major projects for clients including the Land Transport Authority and Public Utilities Board, focusing on safety, environmental responsibility, and urban infrastructure development in Southeast Asia.

Industry
Civil Engineering & Construction – Rail Transit & Underground Projects

Attack summary

Severity: low — No proof files, screenshots, or data samples advertised; no specific operational disruption claimed; leak post contains only generic company description with no evidence of data theft or encryption.

The ransomware group claims to have attacked STECS but provides no details in the leaked post about what data was exfiltrated, encrypted, or the nature of the compromise.

low

What the group claims

STECS is a leading civil engineering and construction company in Singapore, specializing in rail transit and underground projects. It has completed over 30 major projects for key clients like the Land Transport Authority and Public Utilities Board. The company prioritizes safety, environmental responsibility, and improving urban infrastructure in Southeast Asia.

Sources

Source

Indexed 3 days 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 global

The "global" ransomware group is a relatively new threat actor that emerged in June 2025, operating with primarily financial motivations based on their ransomware deployment activities. Due to the group's recent emergence and limited public documentation from major cybersecurity organizations, specific details about their country of origin, affiliations, and operational structure remain unclear, though their targeting patterns suggest broad international scope. Based on available data, the group has compromised 32 known victims across multiple countries including the United States, Australia, Brazil, Great Britain, and Mexico, with their attacks primarily focused on healthcare, manufacturing, technology, and public sector organizations. The group's attack methodology, encryption techniques, and specific tools remain undocumented in publicly available threat intelligence reports from established security research organizations. Given the limited timeframe since their first observed activity in June 2025, there are no widely reported major campaigns or high-profile incidents attributed to this group in public threat intelligence sources. The current operational status of the "global" ransomware group remains active based on their recent emergence, though comprehensive analysis is limited due to the lack of detailed public reporting from major cybersecurity firms and government agencies. The group has been linked to 36 public disclosures across our corpus. First observed on a leak site on June 4, 2025; most recent post August 28, 2026. The operation is currently inactive.

Timeline of this disclosure

  • August 28, 2026Shanghai Tunnel Engineering Co Ltd listed by globalon the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Transportation sector, which has 47 disclosures indexed across all operators we track. Geographically, Shanghai Tunnel Engineering Co Ltd is reported in Singapore, a country with 45 ransomware disclosures in our corpus.

If your organisation is affected

A listing by global means Shanghai Tunnel Engineering Co Ltd 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, SingCERT (Singapore), as required for your jurisdiction.
  • Monitor for the data appearing on global'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.