Critical infrastructure depends on interconnected operational systems, where cyber incidents can disrupt essential services, safety, and availability.
Search across headline titles and summaries.
Background for this topic.
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.
The UK National Cyber Security Centre (NCSC) has formally attributed 'Authentic Antics' espionage malware attacks to APT28 (Fancy Bear), threat actor already linked to Russia's military intelligence service (GRU). [...]
Russian military intelligence-linked hackers are using a new malware called “Authentic Antics” to secretly access Microsoft cloud email accounts, the UK's NCSC reports
Comparitech found that healthcare ransomware attacks rose 4% in H1 2025, a significantly lower rate than the cross-sector average of 50%
Most Compromises Trace to Financial Services, Healthcare, Professional ServicesData breaches rage on. In the first half of this year, the Identity Theft Resource Center counted 1,732 total data breaches affecting 166 million people, marking a rise in data breaches but a decline in victims, likely due to a drop in mega-breaches.
Former Inspector Reviews Sector's Take on AI, Zero Trust, Vulnerability ManagementSecuring U.S. nuclear infrastructure remains a hot-button topic, especially because it remains an attractive cyberattack target for nation-state adversaries. Former regulatory inspector Mark Rorabaugh, president of InfraShield, details the current state of the sector's cybersecurity posture.
A data breach at Episource has exposed the personal information of 5.4 million individuals after attackers accessed systems for 10 days
File this one under what not to search if you've committed a crime A former US Army soldier, who reportedly hacked AT&T, bragged about accessing President Donald Trump's call logs, and then Googled "can hacking be treason," and "US military personnel defecting to Russia," pleaded guilty to conspiring to break into telecom firms' databases and extort at least $1 million.…
The flood of new artificial intelligence tools, including those to help cybersecurity teams, can overwhelm healthcare CISOs and their security staff, fueling "AI fatigue" that in itself can create additional cyber risk, said Drew Henderson and Jon Hilton, practice leaders at consulting firm LBMC.
As the field struggles with a shortage, programs that aim to provide veterans with the technical skills needed to succeed in cybersecurity may be the solution for everyone.
Smaller and rural hospitals and clinics, as well as federally qualified health centers, are constantly battling cybersecurity resource constraints, and especially serious workforce shortages, said Jennifer Stoll of OHINC, a nonprofit provider of health IT services and products.