Guardsix is a European cybersecurity company providing an integrated security operations platform combining SIEM, NDR, UEBA, case management, and security automation capabilities. Founded over 15 years ago in Copenhagen, Denmark, and acquired by a European-focused private equity firm in 2023, Guardsix primarily serves European customers with strong emphasis on data residency and regional deployment options including on-premises, private cloud within EU jurisdictions, SaaS on AWS, and MSSP-managed deployments.