Latest cybersecurity reporting from selected sources.

Vital Service Providers Need a Plan to Work Through Internet Outages, CISA SaysCritical U.S. infrastructure like water, power and even banking systems will be successfully hacked by enemy cyber warriors in the event of a military confrontation with a peer adversary like Russia or China, officials from the nation's civilian cyber defense agency said.

Josephine Wolff on Why Healthcare Must Scrutinize Cyber and AI CoverageHealthcare organizations face growing pressure to reassess cyber insurance policies as cyberattacks disrupt patient care and AI tools introduce new liability risks. Josephine Wolff of Tufts University discusses how exclusions, compliance demands and AI-related uncertainty shape insurance decisions.

Critical Infrastructure Operators Urged to Fortify Against Nation-State AttacksThe Cybersecurity and Infrastructure Security Agency launched CI Fortify, urging critical infrastructure operators to adopt isolation and rapid recovery capabilities to maintain essential services under cyberattacks, amid warnings that nation-state actors are already embedded in operational systems.

Defense of Democracies' Mark Montgomery on Warfare Trends, Geopolitical ThreatsCyber operations now support military strategy rather than just acting alone. Mark Montgomery of the Foundation for Defense of Democracies warns that as militaries integrate cyber and kinetic action, private sector enterprises are facing greater exposure to geopolitical threats.

Signature Healthcare EHRs, Patient Portal Offline; Some Cancer Care CancelledA Massachusetts healthcare system is diverting ambulance patients and is operating under downtime procedures as it deals with a cyberattack. The organization has also canceled certain cancer treatments, taken its patient portal offline and is unable to fill prescriptions at its retail pharmacies.

Medical Device Manufacturer Hack Was Likely OpportunisticAn Iranian cyberattack on medical device maker Stryker's internal IT environment does not appear to affect connected products used by the company's healthcare clients. But an outage of Stryker's electronic ordering system could lead to supply chain issues for its customers.

Healthcare Hit Shows Symbols Matter as Iran Shifts Focus to Economic DamageCybersecurity experts say that the Handala "hacktivist" group that claimed credit for attacks against two American firms on Wednesday is run by the Iranian government. The shift to destructive cyberattacks parallels Iran's attempt to inflict greater economic damage on the United States and allies.

Experts Warn of DDoS, Ransomware, Proxy And Other Attacks on Health SectorThe escalating conflict emerging from the U.S. and Israel military strikes this weekend on Iran, which killed the country's top leadership and crippled its internet connectivity, could erupt into cyberattacks against the healthcare sector by Iranian sympathizers and proxies, experts warn.

Experts: Problems Are Frequent Weaknesses Across Healthcare Sector EntitiesSecurity weaknesses in web-facing apps used at a large U.S. hospital could leave the facility's IT systems and sensitive patient information vulnerable to cyberattacks, found federal auditors. Those same problems also haunt many other healthcare entities, experts said.

Signs Point to Long-Active 'Sandworm' Military Intelligence Hackers at WorkRussian cyberattacks in late December 2025 that attempted to disrupt Poland's power grid have been attributed to "Sandworm," the codename for an advanced persistent threat group tied to a Moscow military intelligence unit that repeatedly uses wiper malware, including in these attacks.

IT Systems, Radiology Services Taken Offline; Ambulance Patients DivertedA North Central Massachusetts nonprofit healthcare system with two community hospitals, a medical group and several other care facilities has taken its IT network offline and is diverting ambulance patients as it continues to respond to a cyberattack that hit last week.

Numerous Attacks Designed and Timed 'to Amplify the Impact of Kinetic Strikes'Russia in the first half of this year markedly increased the tempo of its cyberattacks targeting Ukraine, with defenders cataloging 3,000 cybersecurity incidents, largely targeting the military, government, local authorities and energy sector, often timed to amplify the impact of kinetic attacks.

CS4CA Europe London Event Chair Wayne Harrop on OT Risk and CollaborationCritical infrastructure providers are facing a volatile geopolitical landscape that could lead to cyberattacks and business disruptions. In advance of the CS4CA Europe London Conference (Sept. 30 - Oct. 1, 2025), conference chair Wayne Harrop shares key cyber strategies to counter enterprise threats.

UK and US Charge Suspects With Hitting Transport for London, Healthcare, OthersTwo English teenagers have been charged with disrupting London's transport network as part of a Scattered Spider cyberattack. One of the suspects has also been accused by the U.S. of helping to attack 120 other victims, generating $115 million in ransom payments.

Senate HELP Committee Leaders Ask Insurer: What Went Wrong in the Cyberattack?A U.S. Senate committee is demanding details from insurance giant Aflac about the company's recent cyberattack that compromised the personal and health information of a yet undisclosed number of Americans. Senators last year gave the same scrutiny to the Change Healthcare mega-breach.

Successful Breaches Renew Fears of Operational Vulnerabilities Across Water SectorRussia is suspected of escalating cyberattacks on European water utilities, including attempts to sabotage Polish and Norwegian water facilities and dams, signaling a broader threat to global critical infrastructure as state-backed actors exploit critical OT weaknesses amid global conflict.

OT Experts Advocate for Collaboration and "Adversary-Hostile" National DefensesOT environments have long been bereft of their traditional shelter from cyberattacks made from hacker ignorance or disinterest. Industrial environments are forefronts for nation-state hacking, the risk heightened by global tensions and the convergence of operational technology with IT counterparts.

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.

Alerts Come on the Heels of Recent Attacks on InsurersU.S. federal authorities are warning the public and healthcare sector entities of email and fax phishing scams by fraudsters seeking to steal personal information about patients or payments. The warnings come as three large U.S. insurers continue to recover from recent cyberattacks.

Iranian Officials Call Internet Outages Intentional to Disrupt Israeli OperationsIranian officials said widespread internet outages were deliberate and meant to disrupt covert Israeli operations within the country following days of missile attacks from Israel and a rapidly escalating regional conflict that experts warn could trigger major cyberattacks on critical infrastructure.