Ransomware victim disclosure
← All victimsPT. Mitra Utama Sinergi Tangguh
Claimed by tengu · listed 5 days ago
Status timeline
- Listed
May 27, 2026
Current state: Listed for ransom
At a glance
- Group
- tengu
- Status
- Listed for ransom
- Country
- Indonesia
- Sector
- Business Services
- Listed on leak site
- May 27, 2026
- Data size
- 22.9 TB
About the victim
AI dossier — public-source company profilePT. Mitra Utama Sinergi Tangguh is an Indonesian business services company. Limited public information is available about the company's specific operations or scale.
- Industry
- Business Services
Attack summary
Severity: low — The post lists the victim name but provides no verifiable proof, no data exfiltration confirmation specific to PT. Mitra Utama Sinergi Tangguh, and no clear operational impact. The leak post content appears to be boilerplate descriptions of unrelated companies, which suggests either a low-effort listing or a collection error by the threat actor.The Tengu group claims to have attacked PT. Mitra Utama Sinergi Tangguh. However, the leak post provided contains descriptions of multiple unrelated companies (Crown Security, Sileno Companies, Eos Technology, Community Mosaic, DaintyCloud, Martec Marine, Al Arif Contracting, Shora Advisory, Femar Group) with no clear evidence that any of these are the actual victim or that PT. Mitra Utama Sinergi Tangguh was compromised.
What the group claims
A company officially registered in Indonesia in the form of a limited liability company (PT – Perseroan Terbatas).
The leak post
captured from the group's siteCrown Security is a technology company specializing in information security and digital systems, offering advanced solutions to protect corporate networks and data from breaches and cyberattacks The company focuses on providing security consulting and implementing integrated protection systems tailored to each organization's needs Sileno Companies Inc. A US company primarily operating in the hospitality and real estate sectors, its activities include: Hotel operation Property management Management of hotels' restaurants and bars Hospitality project development 22.9TB was encrypted in 14 hours on 3/5/2026 More than 67.07 GB was extracted Eos Technology srl is a company with 15 years of experience in the ICT sector, initially starting as an assembly and repair laboratory for PCs and peripherals. Over time, it has developed expertise that has allowed it to become a partner of various international brands. The company offers a range of services including IT assistance, multimedia services, help desk support, corporate security systems, and the design of virtual switchboards and video surveillance systems. Eos Technology srl aims to provide consulting services to clients navigating th…
Sources
Source
Indexed 5 days agoThis 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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