Expandium (a VIAVI Solutions company, NASDAQ: VIAV), the pioneer and leading provider of rail telecommunication monitoring solutions amongst over 100,000 km of tracks in 25+ countries, and Cervello, the leader in Railway Cybersecurity solutions, announced today a strategic alliance to provide the industry with comprehensive cybersecurity capabilities alongside advanced predictive maintenance capabilities, designed to deliver unmatched visibility and control of railway telecom and signalling systems, and more specifically ETCS, GSM-R, FRMCS and Interlocking.