Crossword Cybersecurity Plc, through its subsidiary, engages in the development and commercialization of cyber security related software and provision of consulting services in the United Kingdom and Poland. The company offers Rizikon Assurance, a software-as-a-service solution that enables large companies to manage third-party assurance at scale with a particular focus on cyber security; and Rizikon Standard, a cyber-risk and general data protection regulation (GDPR) compliance assessment tool for small to medium companies. It also engages in developing Nixer, a machine-learning based product for protection against application-layer DDoS attacks and menace of automated attack tools. In addition, it offers services in the areas of cyber security consulting, resourcing and virtual CISO, GDPR and data privacy, incidents and forensics, and cyber essentials. The company was incorporated in 2014 and is based in London, the United Kingdom.