"If 2024 was the year AI crashed into cyber security, 2025 was the year interdependence became impossible to ignore. Looking back over the past 12 months, the most important lesson I've learned is an uncomfortable one for security people: you are not really "in control" of your risk, you are sharing it. You are sharing it with suppliers, with operators, with cloud and AI platforms, and with the people on your own teams whose resilience is being stretched."
"In our research at Forescout we've watched attacks continue to climb sharply. Across multiple reports, we've seen total attack volumes more than double compared with last year, and incidents in critical infrastructure grow several-fold. In the first half of 2025 alone, we tracked thousands of ransomware events worldwide, with services, manufacturing, technology, retail and healthcare consistently among the most-targeted sectors. This is no longer an IT hygiene problem; it has become a continuity problem for the real economy."
"Operational technology has moved from the footnotes to the main story. Our threat intelligence work on critical infrastructure and state-aligned hacktivism has documented repeated attempts to disrupt water utilities, healthcare providers, energy companies and manufacturers by going after the industrial systems that run them. In parallel, our Riskiest Connected Devices research shows routers and other network equipment overtaking traditional endpoints as the riskiest assets in many environments,"
Interdependence in 2025 transformed cyber risk into a shared responsibility across suppliers, operators, cloud and AI platforms, and internal teams. Attack volumes more than doubled year-on-year, with critical-infrastructure incidents multiplying and thousands of ransomware events in the first half of 2025 alone. Services, manufacturing, technology, retail and healthcare remained highly targeted. Cybersecurity shifted from IT hygiene to a continuity issue for the real economy. Operational technology became a major target, with attempts to disrupt water, healthcare, energy and manufacturing industrial systems. Device risk rose 15% year-on-year, with routers and network equipment emerging as especially risky assets.
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