AR
Ransomware Victim

Arwini

Ransomware attack by Kairos Β· Disclosed May 11, 2026 Β· πŸ‡©πŸ‡ͺ Germany

Date Disclosed
May 11, 2026
2026
Threat Group
Kairos
93 total victims
Industry
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Incident Analysis

Arwini was targeted by Kairos ransomware, one of the most active ransomware groups in our database with 93 confirmed victims globally. The attack was disclosed on May 11, 2026, when Arwini appeared on the group's dark web leak site.

Arwini is based in Germany . Germany ranks #3 globally for ransomware attacks, with 840 victims in our database.

Kairos typically employs a double extortion model: first exfiltrating sensitive data from the victim's systems, then deploying ransomware to encrypt files. Victims face two simultaneous threats β€” paying to restore access and paying to prevent publication of stolen data. The group's leak site publishes victim names and exfiltrated data as leverage.

Data source: This incident record is sourced from public ransomware group leak site disclosures aggregated via the ransomware.live API. Disclosure date reflects when the victim was published on the leak site, which may differ from the initial date of compromise. This platform does not publish or link to stolen data. Last data update: Aug 2, 2026 10:00 UTC.

Frequently Asked Questions

Was Arwini attacked by ransomware?

Yes. Arwini was listed as a victim of the Kairos ransomware group on May 11, 2026. The organisation is based in Germany. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked Arwini?

Arwini was attacked by Kairos ransomware. Kairos is one of the most active ransomware groups, having claimed 93 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the Arwini ransomware attack occur?

The ransomware attack on Arwini was disclosed on May 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 Arwini ransomware attack?

The specific data stolen from Arwini 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. Sensitive business data was likely targeted.

How can organisations protect against Kairos attacks?

To defend against Kairos 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.