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Cyber Threat
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Ransomware victim Energy

Ming Hwei Energy

Listed by Exitium on · organisation based in Taiwan

mhe.com.tw

Disclosed
Mar 29, 2026
Leak-site listing date
Threat group
Exitium
5 victims listed
Country
Taiwan
#15 most targeted
Sector
Energy

ThreatAI analysis

Compiled from this incident record and the threat intelligence profile for Exitium. Figures and technique mappings are quoted from the source data, not inferred.

About the Exitium group

Exitium is a data extortion group first observed in early 2026, operating a Tor-based double extortion site and targeting victims via bulk data exfiltration followed by public naming-and-shaming, with known victims including a Brazilian agro-industrial firm and a US county appraisal district. Exitium has listed 4 victims since March 2026.

Incident analysis

Ming Hwei Energy was listed by Exitium ransomware, a group with 5 victims recorded in this database. The listing appeared on the group's leak site on March 29, 2026.

Ming Hwei Energy is based in Taiwan and operates in the Energy sector. Taiwan ranks #15 worldwide for ransomware disclosures, with 204 victims in this database.

Sector context. Energy sector attacks can have critical infrastructure implications. Ransomware on operational technology (OT) networks can disrupt power generation and distribution, elevating the urgency of recovery.

Exitium typically follows a double extortion model: data is exfiltrated from the victim's systems before files are encrypted, so the victim faces two demands at once — pay to restore access, and pay to keep stolen data unpublished. The leak site, where this listing appeared, is the lever for the second demand.

Source. Public leak-site disclosures aggregated via the ransomware.live API. The disclosure date is when the listing was published, which can differ from the date of compromise. This site does not publish or link to stolen data. Last updated .

Frequently asked questions

Was Ming Hwei Energy attacked by ransomware?

Yes. Ming Hwei Energy was listed as a victim of the Exitium ransomware group on March 29, 2026. The organisation is based in Taiwan and operates in the Energy sector. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked Ming Hwei Energy?

Ming Hwei Energy was attacked by Exitium ransomware. Exitium is one of the most active ransomware groups, having claimed 5 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the Ming Hwei Energy ransomware attack occur?

The ransomware attack on Ming Hwei Energy was disclosed on March 29, 2026. This date reflects when the victim was published on the threat group's leak site, which may differ from the actual date of initial compromise.

What data was stolen in the Ming Hwei Energy ransomware attack?

The specific data stolen from Ming Hwei Energy has not been independently verified by this platform. Ransomware groups typically exfiltrate data before encrypting systems and use the threat of publication to pressure victims. As a Energy organisation, Ming Hwei Energy likely held sensitive business data, client information, and operational records.

How can organisations protect against Exitium attacks?

To defend against Exitium and similar threat actors, organisations should: maintain regular offline backups tested for restoration; implement network segmentation to limit lateral movement; deploy multi-factor authentication on all remote access; use endpoint detection and response (EDR) tools; conduct regular phishing and security awareness training; and monitor threat intelligence feeds for indicators of compromise (IOCs) associated with active groups.