Ekonomipoolen i Mark AB Falls Victim to Kairos Ransomware

🏢 About Ekonomipoolen i Mark AB

Ekonomipoolen i Mark AB, based in Sweden, is an accounting and financial services provider offering bookkeeping, payroll, financial reporting, and business advisory solutions. The firm assists small and medium-sized businesses with regulatory compliance and financial management.

As a trusted accounting services provider, Ekonomipoolen handles large volumes of sensitive financial, tax, and client data, making it a high-value target for ransomware groups.

⚠ Disclaimer

This report includes actual screenshots and/or text that may include unredacted personally identifiable information (PII) obtained from publicly available sources. Information is provided solely for cybersecurity awareness and threat intelligence purposes.

📌 Overview

On September 16, 2025, the Kairos ransomware group listed Ekonomipoolen i Mark AB on its dark web leak site.
The group claims to have exfiltrated 32 GB of sensitive financial and organizational data and threatens to publish it publicly within 7–8 days if ransom demands are not met.

📊 Key Details