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.
Cybersecurity researchers have shed light on a previously undocumented threat actor called NightEagle (aka APT-Q-95) that has been observed targeting Microsoft Exchange servers as a part of a zero-day exploit chain designed to target government, defense, and technology sectors in China
New Multi-Agency 'Fusion Center' Using AI, Other Tech Will Improve InvestigationsThe Department of Justice in collaboration with the Department of Health and Human Services and other agencies said it has identified $14.6 billion in a wide range of healthcare fraud in 2025. The feds say a new "fusion center" using AI and other technologies will improve investigations moving forward.
New Multi-Agency 'Fusion Center' Using AI, Other Tech Will Improve InvestigationsThe Department of Justice in collaboration with the Department of Health and Human Services and other agencies said it has busted $14.6 billion in a wide range of healthcare fraud in 2025. The feds say a new "fusion center" using AI and other technologies will improve investigations moving forward.
'Heightened Threat Environment' Faces Critical Infrastructure, US Government WarnsMany types of commonly used types of industrial control systems continue to be deployed in a manner that leaves them publicly exposed to the internet, often by U.S.-based critical infrastructure operators, in what amounts to a preventable security risk, researchers warn.
Esse Health, a healthcare provider based in St. Louis, Missouri, is notifying over 263,000 patients that their personal and health information was stolen in an April cyberattack. [...]
U.S. cyber agencies, the FBI, and NSA issued an urgent warning today about potential cyberattacks from Iranian-affiliated hackers targeting U.S. critical infrastructure. [...]
Horizon Healthcare RCM Hints at Paying Ransom in Data Theft IncidentHorizon Healthcare RCM is the latest revenue cycle management software vendor to report a health data breach involving ransomware and data theft. The firm's breach notification statement suggests that the company paid a ransom to prevent the disclosure of its stolen information.
U.S. cybersecurity and intelligence agencies have issued a joint advisory warning of potential cyber-attacks from Iranian state-sponsored or affiliated threat actors. "Over the past several months, there has been increasing activity from hacktivists and Iranian government-affiliated actors, which is expected to escalate due to recent events," the agencies said
Device compromises and deep-seated access to critical infrastructure exposed surveillance vulnerabilities in agency's work A major Mexican drug cartel insider grassed on his fellow drug-peddlers back in 2018, telling the FBI that a cartel "hacker" was tracking a federal official and using their deep-rooted access to the country's critical infrastructure to kill informants.…