Crossword Cybersecurity Plc provides cyber security solutions in the United Kingdom, Poland, and Oman. The company operates in two segments, Software Product and Services and Engineering Services; and Consulting and Managed Services. It's product portfolio includes Rizikon Assurance, an online system that enhances third-party assurance and risk management; Identiproof, a protecting verifiable credentials middleware; Nightingale, a managed security monitoring service; Trillion, a breached account mining platform that tracks, correlates, and analyses billions of stolen usernames and passwords; and Arc, an account protection for B2C commerce platform owners. The company also offers cyber security consulting services, including cyber maturity assessment and transformation, virtual CISO, penetration testing and vulnerability scanning, and supply chain cyber services, as well as software design and engineering, nightingale managed services for SMEs, and incident response. It serves medium and large clients in the defense, insurance, investment and retail bank, private equity, education, technology, and manufacturing sectors. The company was incorporated in 2014 and is headquartered in London, the United Kingdom.