The threat to critical infrastructure has changed. Has your readiness?
Microsoft threat intelligence warns CI leaders of persistent nation-state intrusions targeting critical infrastructure
Microsoft Threat Intelligence reports that critical infrastructure threat landscape has fundamentally shifted, with threat actors now establishing persistent, stealthy footholds rather than pursuing opportunistic disruption or data theft. The observation is backed by global regulatory momentum including NIS2, Japan's Active Cyber Defense legislation, and Canada's Bill C8, with law enforcement initiatives like Operation Winter SHIELD emphasizing verified readiness over awareness. Key vulnerabilities stem from legacy systems operating in hybrid IT-OT environments with identity as the central control layer, creating convergence of identity-driven intrusions, living-off-the-land persistence, and nation-state prepositioning.
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The lesson from this incident
Full lessonCritical infrastructure organizations are experiencing a fundamental shift in threat tactics, with adversaries now establishing persistent, stealthy access rather than conducting opportunistic attacks. These sophisticated threat actors exploit identity as the central attack vector in hybrid IT-OT environments, using living-off-the-land techniques to maintain long-term presence. The convergence of legacy systems with modern infrastructure creates expanded attack surfaces that nation-state actors are actively positioning within for future operations. This evolution requires organizations to move beyond traditional awareness-based security to verified, continuous readiness postures.
What helps against this
How we list vendors
- Identity threat detection and response (ITDR)
Attackers who log in with real, stolen credentials get noticed.
- Endpoint detection and response (EDR and XDR)
Malware and hands-on-keyboard attackers on laptops and servers get spotted and stopped.
- OT and industrial control system security
Factory, building and utility control systems get visibility and protection.