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Cyber Threat
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Ransomware victim Energy

Revoil

Listed by Obscura on · organisation based in Greece

revoil.gr

Disclosed
Jan 11, 2026
Leak-site listing date
Threat group
Obscura
33 victims listed
Country
Greece
#47 most targeted
Sector
Energy

ThreatAI analysis

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

About the Obscura group

Obscura is a ransomware strain observed in 2025, written in Go and specifically targeting Windows domain controllers via the SYSVOL/NETLOGON share, using Curve25519 + XChaCha20 encryption with double-extortion tactics and a 10-day payment deadline. Obscura has listed 33 victims since July 2025.

Incident analysis

Revoil was listed by Obscura ransomware, a group with 33 victims recorded in this database. The listing appeared on the group's leak site on January 11, 2026.

Revoil is based in Greece and operates in the Energy sector. Greece ranks #47 worldwide for ransomware disclosures, with 50 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.

Obscura 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files are encrypted, so the victim faces two demands at once — pay to restore access, and pay to keep stolen data unpublished.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 Revoil attacked by ransomware?

Yes. Revoil was listed as a victim of the Obscura ransomware group on January 11, 2026. The organisation is based in Greece and operates in the Energy sector. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked Revoil?

Revoil was attacked by Obscura ransomware. Obscura is one of the most active ransomware groups, having claimed 33 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the Revoil ransomware attack occur?

The ransomware attack on Revoil was disclosed on January 11, 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 Revoil ransomware attack?

The specific data stolen from Revoil 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, Revoil likely held sensitive business data, client information, and operational records.

How can organisations protect against Obscura attacks?

To defend against Obscura 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.