Ransomware victim disclosure
← All victimsEXCEED Energy
Claimed by anubis · listed 4 days ago
Status timeline
- Listed
May 27, 2026
- Data leaked
At a glance
About the victim
AI dossier — public-source company profileEXCEED Energy is an independent well and reservoir management specialist focused on extending the productive life of wells and supporting the energy sector's transition to carbon zero. Operating across 41 countries, the company provides well management, decommissioning, and managed pressure drilling services to major oil and gas operators.
- Industry
- Well & Reservoir Management; Energy Services
- Founded
- 2004
Attack summary
Severity: high — Confirmed exfiltration of 300+ GB of sensitive client data in a regulated energy sector context, including operational and technical data belonging to major oil and gas operators. Breach of confidentiality obligations to third-party clients elevates exposure risk beyond the victim company itself.Anubis ransomware group claims to have exfiltrated approximately 300+ GB of data, predominantly consisting of client confidential records rather than internal corporate documents. The breach includes technical data, audit results, equipment analysis, operational reports, and incident documentation belonging to EXCEED Energy's clients, representing a breach of confidentiality obligations.
Data the group says was taken
AI dossier — extracted from the leak post- client operational data
- audit results
- equipment analysis reports
- operational reports
- incident documentation
- technical specifications
- well management records
What the group claims
Data breach at an international well management specialist.
The leak post
captured from the group's siteis a leading independent well and reservoir management specialist focused on managing the productive life of wells while driving the transition to Carbon Zero. The company offers a wide range of services including well management, decommissioning, and managed pressure drilling, catering to clients in the energy sector across 41 countries. In this breach, you will find very few of the typical internal corporate records such as HR files or accounting documents. Almost the entire 300+ GB archive is directly related to the company’s clients — and that is an important detail. Because while the company itself is a major player in its sector, its clients are significantly bigger names. For example, last year the company proudly announced that it had secured the[ largest contract in its 20-year history, taking on operational responsibilities for 192 wells](https://www.linkedin.com/posts/exceed-energy_energy-decommissioning-northsea-activity-7327973438638157824-UAyO). Now, thanks to the leaked data, we have an opportunity to learn far more about that deal directly from the source itself. Much of the client-related data is highly technical in nature, making it difficult to immediately determ…
Sources
Source
Indexed 4 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.
Is this your supplier? Your competitor? You?
Pro plans monitor your domain, corporate emails, and crypto wallets across every new ransomware leak-site post, breach dump and Telegram callout — alerts within 5 minutes.