Crossword Cybersecurity Plc engages in the development and commercialization of university research-based cyber security related software and cyber security consulting. It operates through the Software Product and Services and Cybersecurity Consulting segments. The firm offers consulting services including cyber maturity assessment, cyber security strategy, cyber transformation, penetration testing, Virtual CISO, third party assurance, and credential attacks. Its products include Rizikon and Nixer. The company was founded by Thomas Segun Ilube on March 6, 2014 and is headquartered in London, the United Kingdom.