The state of OT cybersecurity 2024/2025 - metrics and trends globally and locally

The situation of OT cybersecurity remains tense in 2025. Although in 2024 - compared to the total number of all cyberattacks - only a few campaigns targeted industrial facilities directly, the attack surface continues to grow. This eBook summarizes the developments in OT cybersecurity based on metrics and official reporting from 2024. It highlights the trends that will be important for 2025, from a global to a European to a German perspective, and concludes with specific observations from Rhebo Industrial Security Assessments at customer sites. The complex and nuanced picture makes it clear that when making decisions about OT security, not only past statistics but also future potential must be considered.