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Cyber Threat
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Ransomware victim Financial Services

Infinox

Listed by Arkana on · organisation based in United Kingdom

infinox.co.uk

Disclosed
May 29, 2025
Leak-site listing date
Threat group
Arkana
6 victims listed
Country
United Kingdom
#4 most targeted
Sector
Financial Services

ThreatAI analysis

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

About the Arkana group

Arkana is a ransomware group that emerged in early 2025 and gained attention by claiming an attack on U.S. broadband provider WideOpenWest (WOW!), operating a three-phase ransom/sale/leak extortion model primarily focused on telecom and internet service providers. Arkana has listed 6 victims since March 2025.

Incident analysis

Infinox was listed by Arkana ransomware, a group with 6 victims recorded in this database. The listing appeared on the group's leak site on May 29, 2025.

Infinox is based in United Kingdom and operates in the Financial Services sector. United Kingdom ranks #4 worldwide for ransomware disclosures, with 950 victims in this database.

Sector context. Financial sector organisations are targeted for their access to funds, sensitive financial data, and the reputational damage a public breach can cause. Regulatory requirements also increase recovery costs.

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files are encrypted, so the victim faces two demands at once — pay to restore access, and pay to keep stolen data unpublished.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

Yes. Infinox was listed as a victim of the Arkana ransomware group on May 29, 2025. The organisation is based in United Kingdom and operates in the Financial Services sector. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked Infinox?

Infinox was attacked by Arkana ransomware. Arkana is one of the most active ransomware groups, having claimed 6 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the Infinox ransomware attack occur?

The ransomware attack on Infinox was disclosed on May 29, 2025. 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 Infinox ransomware attack?

The specific data stolen from Infinox 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 Financial Services organisation, Infinox likely held financial records, client data, and transaction histories.

How can organisations protect against Arkana attacks?

To defend against Arkana 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.