This Claroty case study highlights how one of Europe's busiest airports addressed significant operational technology (OT) security challenges. With over 50 million passengers and 2.5 million tons of cargo annually, the airport faced an urgent need for enhanced visibility and control across its expansive OT environment. Accelerating digitization initiatives forced the connection of aging, legacy systems (dating back to the 1980s and 1990s) that were never designed for network connectivity and lacked basic security controls. Furthermore, managing secure third-party remote access for critical infrastructure maintenance presented additional risks. The previous ad-hoc approach was insufficient, prompting the airport to seek a comprehensive strategy for safely connecting diverse systems and mana

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