Microsoft Issues Emergency Patch for Actively Exploited Office Vulnerability
Microsoft has issued an out-of-band security update to fix an actively exploited zero-day vulnerability in Microsoft Office. The vulnerability is tracked as CVE-2026-21509 and has a CVSS v3.1 base score of 7.8 out of 10. The vulnerability is due to reliance on untrusted inputs in a security decision in Microsoft Office, which could allow an unauthorized actor to bypass a security feature locally. In order to exploit the vulnerability, user interaction is required. An attacker would need to send a specially crafted Microsoft Office file and convince the user to open it, such as via email, using social engineering techniques to trick the user into opening the file. The security bypass vulnerability affects multiple Microsoft Office versions, including Office 2021 and later, and Microsoft 365 Apps for Enterprise. Some of the affected Office versions are automatically protected via a server-side change, although in order to be protected, Office applications will need to be restarted. Affected office versions that require an update to be applied are listed below, along with the update...
Compliance Training for Medical Staff
Compliance training for medical staff will most often include HIPAA compliance training, OSHA compliance training, and training on any other federal and state regulations staff are required to comply with. In addition, the content of compliance training for medical staff can be affected by each individual workforce member’s role. Compliance training for medical staff is a core operational function that protects patients, staff, and the organization itself. Today’s healthcare environment demands that clinicians, administrators, and support teams navigate a complex web of federal and state requirements, each carrying its own expectations for safety, privacy, and emergency readiness. HIPAA remains a foundational pillar, but it’s only one piece of a much larger compliance landscape. OSHA standards shape how staff manage workplace hazards, from bloodborne pathogens to safe patient handling. CMS emergency preparedness rules require organizations to plan for natural disasters, cyberattacks, and system failures with the same rigor they apply to clinical care. Additional federal mandates,...
MACT Health Board Patients Affected by November 2025 Ransomware Attack
MACT Health Board has confirmed that patient data was stolen in a November 2025 cyberattack, for which the INC Ransom ransomware group claimed credit. Data breaches have also been announced by TriCity Family Services in Illinois, HAP (Health Alliance Plan) in Michigan, and Zenflow in California. MACT Health Board, California MACT Health Board, a provider of healthcare services to the American Indian and Alaskan Native population in Mariposa, Amador, Alpine, Calaveras & Tuolumne counties in California, has notified individuals affected by a November 2025 security incident. MACT Health board launched an investigation into a potential security breach when it experienced disruption to its IT systems. The investigation confirmed that an unauthorized third party had access to its computer network from November 12, 2025, to November 20, 2025. A review of the exposed files commenced on November 25, 2025, and was completed on January 9, 2026. Patient information compromised in the incident included names in combination with one or more of the following: diagnoses, test results, medical...
More Than 100K Munson Healthcare Patients Affected by Cerner Cyberattack
Munson Healthcare, the largest health system in Northern Michigan, has recently notified patients about unauthorized access to its electronic medical record system. The unauthorized access started as early as January 22, 2025, and was detected by its EHR vendor Cerner on February 20, 2025. Cerner, now Oracle Health, confirmed that a hacker gained access to two legacy Cerner servers and potentially stole a range of personal and health information. Munson Healthcare has confirmed that the stolen data included names, Social Security numbers, and information typically found in electronic medical records, such as medical record numbers, diagnoses, medications, test results, care and treatment information, and doctors’ names. The data on the servers was awaiting migration to the Oracle Cloud at the time of the data breach. Munson Healthcare said Cerner took action to prevent further unauthorized access, engaged third-party cybersecurity experts to investigate the data breach, and notified law enforcement about the cyberattack. While Oracle Health publicly confirmed the cyberattack in...
HIPAA Enforcement by State Attorneys General
The Department of Health and Human Services’ Office for Civil Rights is the main enforcer of HIPAA compliance; however, state Attorneys General also play a role in enforcing compliance with the Rules of the Health Insurance Portability and Accountability Act (HIPAA). The Health Information Technology for Clinical and Economic Health (HITECH) Act gave state attorneys general the authority to bring civil actions on behalf of state residents who have been impacted by violations of the HIPAA Privacy and Security Rules, and they can obtain damages on behalf of state residents. The Connecticut Attorney General was the first to exercise this right in 2010 against Health Net Inc. for the loss of an unencrypted hard drive containing the electronic protected health information of 1.5 million individuals and for delayed breach notifications. The case was settled for $250,000. The Vermont Attorney General followed suit with a similar action against Health Net in 2011 that was settled for $55,000, and Indiana brought a civil action against Wellpoint Inc. in 2011 that was settled for $100,000....



