The list was released this Tuesday.

• Railroads are operating on sometimes decades-old technology platforms that were created long before today’s cyberthreats, says Amir Levintal, CEO of rail-focused cybersecurity start-up Cylus.
• Cylus makes cybersecurity products for signaling systems and monitoring for other traffic-control devices that run alongside tracks, as well as systems meant for rider comfort, like heating and air-conditioning.
• Cylus values the rail cybersecurity market at about $6 billion, with projected growth to hit $12 billion in 2027.

Celebrating for Cylus!