Turkish Joint Venture for 1915 Çanakkale Bridge

DLSY, known as the Turkish Joint Venture for the 1915 Çanakkale Bridge, is an organization established to oversee the construction and operation of a major infrastructure project in Turkey. The core function of this joint venture is the delivery and management of the 1915 Çanakkale Bridge and its associated motorway network, a critical transportation link spanning the Dardanelles Strait. This project represents one of the nation's most significant engineering undertakings, designed to enhance regional connectivity and support economic activity through a dedicated highway corridor. The venture's operational scope is specifically tied to this singular, large-scale bridge and motorway system, serving as the entity responsible for its execution and subsequent maintenance. Its work situates it within the heavy civil engineering and transportation infrastructure sector, focusing on a landmark piece of national infrastructure. The organization's existence is fundamentally defined by this project, which carries substantial strategic importance for Turkey's transport logistics.

In April 2021, DLSY experienced a serious cybersecurity incident when its systems were targeted by a ransomware attack. The assault resulted in the encryption of the company's servers and files, leading to a significant data breach. The personal information of approximately 20,000 individuals was compromised, including data pertaining to employees, their family members, and personnel from subcontracting firms. The breached data categories potentially covered a wide range of sensitive information, such as identity details, communication records, health data, financial information, and legal documents, though the specific records affected were not fully determined. Upon detecting the attack, the joint venture formally notified Turkey's Data Protection Authority, confirming that an investigation into the ransomware incident and the perpetrators' demands was ongoing. This event highlighted the organization's handling of substantial volumes of personal data related to its workforce and project partners, underscoring a key operational risk associated with its large-scale infrastructure management role. The incident remains a documented event in the organization's history, reflecting the cybersecurity challenges faced by entities involved in critical national projects.