M3RX Ransomware Hits Spanish Insurance Firm Grupo 55
Source: Dexpose
Published:
<p>On May 17, 2026 , the ransomware group M3RX claimed responsibility for a significant cyberattack on Grupo 55 Correduría de Seguros ( grupo55.com ), a leading insurance company in Spain. The group has allegedly stolen 178GB of sensitive data, threatening to leak it if their demands are not met.</p