The 8base ransomware group listed W.I.S. Sicherheit on its data leak site on 2024-05-13. Country: DE Sector: Professional Services Domains named: wis-sicherheit.de, w.i.s.group.https, www.wis-sicherheit.de Claim as published on the leak site: Customized security solutions for your business. From safety to personal safety and round-the-clock surveillance. W.I.S. Security + Service GmbH & Co. KG "Cologne Security and Security Company", founded on December 1, 1901, marked the beginning of the successful W.I.S.Group.https://www.wis-sicherheit.de/