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Despite powering the modern internet, essential software like the TZ time zone database and SQLite are maintained by just a handful of volunteers, highlighting the fragility of critical infrastructure and the insufficient financial support from large corporations.
Critical software like the IANA TZ database and SQLite, which power billions of devices and services, are maintained by just two or three unpaid volunteers, exposing the global tech ecosystem to hidden single points of failure that could cause outages or security breaches without sustained corporate investment.
This article introduces industrial control systems (ICS), explains their critical role in essential infrastructure, outlines their components from simple thermostats to complex SCADA architectures, and discusses the unique cybersecurity challenges arising from legacy designs, real‑time requirements, and increasing exposure to corporate networks and the cloud.