Latest cybersecurity reporting from selected sources.

CISA Lauded for Fast Response, Transparency and Detailing Security RecommendationsSecure developers' use of public code repositories, monitor them for secrets and if they get exposed, have a well-tested incident response playbook at the ready. The U.S. Cybersecurity and Infrastructure Security Agency has shared these and other lessons learned after suffering a data leak.

Allianz Retains Risk Exposure While Outsourcing Cyber Insurance OperationsAllianz will transition operational control of its standalone commercial cyber insurance business to Coalition, combining the insurer's global distribution and balance sheet with Coalition's cyber underwriting, monitoring and incident response capabilities in a long-term strategic partnership.

ManuSec Canada Speakers From Subaru and Toronto Transit Discuss Cyber ResilienceCanadian manufacturers face rising cyber risk as IT and OT systems converge. Leaders from Subaru Canada and the Toronto Transit Commission outline how ransomware, supply chain exposure and legacy OT vulnerabilities demand stronger resilience, segmentation and incident response readiness.

National Accident Health Says Breach Exposed Medical Info of 181,000 PeopleA Maine-based third-party administrator that handles healthcare claims involving day care centers, youth sports and NCAA athlete accidents is notifying more than 181,000 individuals that their medical information and personal identifiers may have been accessed or stolen in a hacking incident.

JP Morgan Chase, Citi and Morgan Stanley Among Banking Customers ImpactedMajor U.S. banks are assessing their exposure to a cybersecurity incident at real estate financial technology company SitusAMC, which disclosed Saturday that a breach may have affected client data. The New York firm uncovered the incident on Nov. 12.

Nevada Grappling With Statewide IT Disruption, Forcing Suspension of ServicesNevada officials are investigating a network security breach that forced state offices to suspend services and knocked key systems offline, including websites and phone lines, though emergency services remain active and no data exposure has been confirmed.

Nevada Grappling with Statewide IT Disruption, Forcing Suspension of ServicesNevada officials are investigating a network security breach that forced state offices to suspend services and knocked key systems offline, including websites and phone lines, though emergency services remain active and no data exposure has been confirmed.

Serviceaide Incident Exposed Patient Data of Catholic Health, a NY-Based ClientServiceaide, a provider of agentic AI-based IT management and workflow software, reported to regulators that an inadvertent exposure of data on the web has affected more than 483,000 patients of client Catholic Health, a network of six hospitals and dozens of other facilities in western New York.

Researcher Found Unsecured Database Server Containing 1,864 GB of OrthoMinds' DataAn orthodontic practice software vendor is notifying an undisclosed number of patients that their data was exposed to the internet for 10 days last November. The security researcher who discovered the data leak said the incident appears to have lasted longer and affected more than 200,000 patients.

Also: Infostealer Malware Compromises Mexican Government ComputersThis week, DeepSeek exposed sensitive data, hackers exploited unpatched Zyxel flaws, infostealer malware on Mexican government computers, Smiths Group incident, PowerSchool breach notifications, an Apple zero-day, XWorm RAT backdoor, and Credit Control Corporation settled a lawsuit.

White House Mandates Cyber Incident Response Plans Amid Growing Chinese ThreatFederal regulations unveiled Tuesday require the U.S. maritime industry to implement baseline cybersecurity measures amid concerns over exposure to attacks from adversaries such as China. The rules mandate cybersecurity plans and clearly-defined cyber positions in ports and maritime facilities.

Also: US Fingers Russian GRU Hackers; Ohio City Sues ResearcherThis week, YubiKey 5 has a flaw, an Ohio city sued a researcher, the Irish regulator ended its GrokAI case, open-source AI tools exposed data, Starlink blocked X in Brazil, FCC banned Kaspersky, Intel addressed a researcher's claim, and Transport of London is still affected by a cyber incident.

77 Million Individuals' Information Exposed, as More Victims Continue to Be CountedTrackers of the tally of individuals affected by the Clop ransomware group's mass hack attack on MOVEit servers added another 4.5 million patients' data to the ever-ascending total. The incident currently affects more than 2,600 organizations and 77 million individuals.