Latest cybersecurity reporting from selected sources.

iRhythm: Patient Information and 'Proprietary' Data Breached, Held for RansomCardiac monitoring firm iRhythm Technologies has told the U.S. Securities and Exchange Commission that hackers recently stole proprietary data and patient health information from "certain" third-party-hosted business applications, and demanded a ransom. The company did not disclose whether it paid.

China’s UNC6508 hid in North American medical research networks for 2 years, stealing credentials and forwarding emails to Gmail Google’s Threat Intelligence Group published a report this week on UNC6508, a China-linked cyberespionage group that breached North American medical and military research organizations and stayed hidden for more than two years. The earliest confirmed intrusion […]

Diagnostics Lab Reported 10.3M Patients Affected by Collection Agency's HackMedical laboratory testing giant Labcorp has agreed to pay $35 million to settle class action litigation stemming from a 2018 hacking incident on now-defunct American Medical Collections Agency. Labcorp reported the vendor breach in 2019 as affecting nearly 10.3 million patients.

A China-linked espionage campaign targeted exposed REDCap servers to deploy the InfiniteRed malware and steal sensitive data from a medical institution in North America. [...]

Also, Lloyds Data Leak, Dutch Treasury Breach, Citrix Bug Exploit, Pay2Key ActivityThis week, Lloyds data leak hits 450K, Dutch treasury breach, Citrix flaw exploited, Iran-linked ransomware ops, TrueConf zero-day, Russian fraud ring sentenced, Romania targeted, patch gaps persist, and U.S. hospital breach affects 257K.

CareCloud: Intruder Accessed Systems for 8 Hours, Still Assessing Extent of BreachElectronic health records vendor CareCloud has notified the U.S. Securities and Exchange Commission of a cyber incident earlier this month that temporarily disrupted the software and accessed one of its EHR environments. The company is assessing whether patient data was accessed or stolen.

CISA warned U.S. organizations to follow Microsoft guidance to strengthen the Intune endpoint management tool after a cyberattack exploited it to wipe medical technology giant Stryker's systems. [...]

Tehran-Linked Handala Hackers Disrupt Medtech Giant Stryker, Claim Verifone BreachAs the United States and Israel continue their war with Iran, Tehran-linked hacking group Handala has entered the fray, claiming credit for wiping systems at medical technology firm Stryker, which confirmed the attack, as well as breaching payment device maker Verifone, which denied being breached.

HIPAA Settlement Small Compared to Many OthersU.S. federal regulators fined a dental practice software vendor with a seemingly lowball financial penalty for a high-stakes 2020 hack affecting 15 million individuals that the company failed to report. Maryland-based MMG Fusion agreed to $10,000.

New HHS Enforcement Program Focuses on Patient Confidentiality, Aligning With HIPAAThe U.S. Department of Health and Human Services has launched a new breach reporting website and guidance materials to support its duties of enforcing compliance mandates that went into effect Monday to better align the confidentiality of substance use disorder records with the HIPAA privacy rule.

Insurer's Hack Could Rank as Largest US Health Data Breach Reported in 2025Supplemental health insurer Aflac is notifying 22.65 million people whose sensitive health and personal information, including Social Security numbers, was potentially compromised in a June data theft incident. The incident will likely rank as the biggest U.S. health data breach reported in 2025.

Insurer's Hack Could Rank as Largest US Health Data Breach Reported in 2025Supplemental health insurer Aflac is notifying 22.65 million people whose sensitive health and personal information, including Social Security numbers, was potentially compromised in a June data theft incident. The incident will likely rank as the biggest U.S. health data breach reported in 2025.

Plan Calls for Updated HIPAA Regs, Grants, Training, Enhanced Breach Reporting DataFour U.S. lawmakers - including the chair of the Senate health, education, labor and pensions committee - are taking another stab with a bipartisan bill aimed at strengthening cybersecurity in healthcare. That includes bolstering HIPAA, and providing cyber grants and training to the sector.

Conduent Gets Sued; US Government's Cyber Shutdown Woes; Hacktivist Hits RiseThe latest ISMG Editors' Panel tackles: post-hack legal fallout for Conduent after it suffered the year's biggest health data breach, the U.S. government's shutdown complicating its response to the breach of vendor F5 and the rise in attacks targeting Western critical national infrastructure.

U.S. medical imaging provider SimonMed Imaging is notifying more than 1.2 million individuals of a data breach that exposed their sensitive information. [...]

2 Firms Hit by Separate 2024 Attacks to Pay Total of $6.5M in Class Action ClaimsA Nebraska-based revenue cycle management firm and a Swiss-based blood products manufacturer with plasma collection centers in the United States are the latest healthcare sector companies agreeing to pay multimillion dollar lawsuit settlements for two separate 2024 hacks affecting scores of patients.

2 Firms Hit by Separate 2024 Attacks to Pay Total of $6.5M in Class Action ClaimsA Nebraska-based revenue cycle management firm and a Swiss-based blood products manufacturer with plasma collection centers in the United States are the latest healthcare sector companies agreeing to pay multimillion dollar lawsuit settlements for two separate 2024 hacks affecting scores of patients.

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.

HHS Shifts 42 CFR Enforcement Duties to Office of Civil Rights Amid Massive ReorgThe U.S. Department of Health and Human Services has put its Office for Civil Rights in charge of investigating and penalizing organizations that breach the confidentiality of substance abuse disorder records. Some fear the agency doesn't have the bandwidth to enforce both HIPAA and 42 CFR Part 2.

Farmers' HIPAA Breach Affects 1.1 Million; Aflac Is Still Counting VictimsTwo major U.S.-based insurers - Farmers Insurance and Aflac Inc. - have each reported to regulators data breaches involving two recent separate cyberattacks. The breaches follow a spring and summer spree of data exfiltration incidents that hit multiple large players in the insurance sector.