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A proposed class action accuses University Hospitals of negligence after an October 22 cyberattack that took its MyChart portal offline; the Cleveland patient's suit, filed October 28, claims more than a million records were exposed, a number University Hospitals has not confirmed. University of New Mexico Health Sciences Center disclosed a cyberattack October 26 that diverted ambulances for about two hours; the BYOD extortion group claims it compromised 36,000 systems, a figure UNM has not confirmed. Philips updated its Node2Shell advisory October 27 for CVE-2026-111497, the Node.js Brotli decoder flaw it first flagged October 26 against PIC iX 4.x; the advisory still names no impacted products or fixed version. Philips updated its PHP2Shell advisory October 27 for CVE-2026-109618 and CVE-2026-109619, adding five more affected products including IntelliSpace Portal V12 and Philips Axon to the seven already listed. NorthShore Health Centers disclosed a data breach to patients October 27, one of several Midwest provider notifications issued that week. Denver Health Medical Plan notified more than 238,000 members October 26 about a vendor-related data incident. A proposed class action accuses University Hospitals of negligence after an October 22 cyberattack that took its MyChart portal offline; the Cleveland patient's suit, filed October 28, claims more than a million records were exposed, a number University Hospitals has not confirmed. University of New Mexico Health Sciences Center disclosed a cyberattack October 26 that diverted ambulances for about two hours; the BYOD extortion group claims it compromised 36,000 systems, a figure UNM has not confirmed. Philips updated its Node2Shell advisory October 27 for CVE-2026-111497, the Node.js Brotli decoder flaw it first flagged October 26 against PIC iX 4.x; the advisory still names no impacted products or fixed version. Philips updated its PHP2Shell advisory October 27 for CVE-2026-109618 and CVE-2026-109619, adding five more affected products including IntelliSpace Portal V12 and Philips Axon to the seven already listed. NorthShore Health Centers disclosed a data breach to patients October 27, one of several Midwest provider notifications issued that week. Denver Health Medical Plan notified more than 238,000 members October 26 about a vendor-related data incident.
Saturday, October 31, 2026 Issue #499  ·  Est. 2025
Independent brief for device makers
Manufacturers // iRhythm

iRhythm

iRhythm in MedDevice Cyber coverage: 3 stories, and the company's own disclosures.

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Stories
3
Responses on record
0
Latest story
Oct 19, 2026

Coverage

3 stories
01
Intelligence

iRhythm's breach count rises to 8.18 million in Oregon filing

iRhythm's June breach now spans 8,179,772 people after an Oregon regulatory listing replaced the 368,173 figure the company had confirmed in state notices weeks earlier.

HIPAA JournalOct 193 min read
02
Breach

iRhythm starts notifying patients four months after a June extortion demand

iRhythm has begun notifying patients whose data attackers took from third party hosted business applications in June. State filings put the known count at 368,173, and the company says its devices and manufacturing were untouched.

SecurityWeekOct 92 min read
03
Intelligence

iRhythm’s breach lived in third-party business apps

A social engineering attack on third-party-hosted applications exposed patient health information and company data, followed by a payment demand. Device systems and clinical operations stayed clean.

MedTech DiveJun 162 min read

Products and threat intel

5

iRhythm products with the device attributes their own public documentation states, and the advisories in our coverage that share those attributes.

ProductDevice typeAttributesMatched advisories
Zio monitorRecorder, Magnetic Tape, Medical2722
Zio AT deviceDetector And Alarm, Arrhythmia309
ZEUS PlatformComputer, Diagnostic, Programmable90
ZEUS SystemComputer, Diagnostic, Programmable170
Zio ECG Utilization Software (ZEUS) SystemComputer, Diagnostic, Programmable100
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