Critical infrastructure depends on interconnected operational systems, where cyber incidents can disrupt essential services, safety, and availability.
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Critical infrastructure includes systems and assets vital for public health, safety, and economic stability, such as power grids, water treatment, transportation networks, and healthcare facilities. These systems often combine physical components with industrial control systems (ICS) and operational technology (OT) that manage essential services in real time.
From an information-security perspective, critical infrastructure faces risks like unauthorized access to control systems, disruption of service availability, and manipulation of sensor data. Defending these assets requires specialized security measures tailored to ICS environments, including network segmentation, strict access controls, and continuous monitoring for anomalies. Ensuring resilience also involves coordinated efforts between operators and government agencies to address vulnerabilities unique to legacy systems and proprietary protocols.
AI Failures May Hide in Ways that Safety Tests Don't MeasureWhen an AI chatbot tells people to add glue to pizza, the error is obvious. When it recommends eating more bananas - sound nutritional advice that could be dangerous for someone with kidney failure - the mistake hides in plain sight.
Staff Working on China, Intel, Military Oversight Targeted in Espionage OperationU.S. officials are probing a suspected Chinese cyber campaign tied to Salt Typhoon that breached congressional staff email systems supporting national security committees, exposing sensitive discussions and raising concerns about unclassified federal network defenses.
Also, Sedgwick Confirms Breach, Romanian Power Firm Hit, D-Link Flaws ExploitedThis week, Moody's said firewalls will be obsolete, Romanian critical infrastructure hacked, Sedgwick breach and a D-Link DSL flaw. Finland seized the Fitburg. Microsoft said Direct Send not to blame for Exchange phishing. Malicious Chrome extensions, European hotels targeted and health breaches.
CISA Warns of Retaliatory Cyber Action From Hostile State Actors After VenezuelaFederal cybersecurity officials are warning of a likely uptick in retaliatory cyber activity from China and Russia-linked threat actors after the U.S. military raid in Venezuela, urging infrastructure operators to brace for disruptive probing and attacks.
Also, Sedgwick Confirms Breach, Romanian Power Firm Hit, D-Link Flaws ExploitedThis week, Moody's said firewalls will be obsolete, Romanian critical infrastructure hacked, Sedgwick breach and a D-Link DSL flaw. Finland seized the Fitburg. Microsoft said Direct Send not to blame for Exchange phishing. Malicious Chrome extensions, European hotels targeted and health breaches.
Taiwan recorded an average of 2.63 million cyber intrusion attempts to it critical infrastructure per day coming from China in 2025
Cyber's role in the US raid on Venezuela remains a question, though President Trump alluded to "certain expertise" in shutting down the power grid in Caracas.
Geopolitics Puts OT at Greater Risk From Nation States, Criminals and HacktivistsAttacks against critical infrastructure are expected to increase in scope and intensity including hacks on operational technology systems. State actors are now looking for ways to cause damage and disrupt operations, rather than simply steal secrets, according to cybersecurity experts.
Central government will supposedly be as secure as energy facilities and datacenters under new proposals The UK today launches its Government Cyber Action Plan, committing £210 million ($282 million) to strengthen defenses across digital public services and hold itself to the same cybersecurity standards it's imposing on critical infrastructure operators.…
Ransomware Gang Qilin Had Claimed It Stole 852 GB of Health System's DataNearly half a million patients of a Catholic healthcare network that serves New England and parts of Pennsylvania began the new year by receiving notifications that hackers may have stolen their health information in a May 2025 hacking incident.
More Than 100,000 Affected by Hack Detected on Dec. 30The New Zealand government is probing a year-end ransomware hack of private healthcare service provider Manage My Health that impacted thousands of patients. Digital extortion group Kazu has claimed responsibility and threatened to leak the data on Jan. 15 unless it receives a $60,000 ransom.
The Russia-aligned threat actor known as UAC-0184 has been observed targeting Ukrainian military and government entities by leveraging the Viber messaging platform to deliver malicious ZIP archives