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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 // Medtronic // Products

LINQ II Insertable Cardiac Monitor

Recorder, Event, Implantable Cardiac, (With Arrhythmia Detection). Attributes come from Medtronic's own public documentation for this product.

Attributes

Signals
Mobile app Handles patient data Remote access Wireless connectivity Physiological waveform processing Home use
Properties (MITRE EMB3D)
PID-28 Device stores logs of system events and information PID-31 Application-level software is present and running on the device PID-33 Device includes interactive applications, services, or user interfaces PID-41 Device exposes remote network services PID-411 Device exposes remote services with the ability to send, receive, view or modify sensitive information or configurations
Attributes: component types
API Battery Circuit Board Generic Application Library Local Application Local Service Mobile Application Operating System Sensor Modules User Interface Wireless Module
Attributes: interface types
Wireless
Attributes: assets
Patient Data Telemetry Data
Attributes: dataflows
LINQ II ICM to external device via telemetry (ECG data, alarm/remote transmission) Patient to LINQ II ICM via MyCareLink Heart App or Patient Assistant (manual symptom recording) Patient to MyCareLink Heart App or Patient Assistant (manual symptom recording)

Matched threat intel

7

Advisories in our coverage that share an attribute with this product. A shared attribute is a lead, not a finding. The status column shows only what Medtronic has said.

AdvisoryDateSharedMedtronic status
Flow Neuroscience FL-100 ships a shared Bluetooth credential in every unitAug 13, 2026Same property (MITRE EMB3D)PID-411No feedback feed from manufacturer
Missing authentication lets an attacker rewrite a cardiac wearableMay 28, 2026Same property (MITRE EMB3D)PID-411No feedback feed from manufacturer
A hard-coded VNC password on a bioreactor, base score 9.8May 26, 2026Same property (MITRE EMB3D)PID-411No feedback feed from manufacturer
Missing authentication on a DNA sequencer control planeOct 21, 2025Same property (MITRE EMB3D)PID-411No feedback feed from manufacturer
A legacy cardiology system, end-of-service since 2014, recalled for securityJun 10, 2025Same property (MITRE EMB3D)PID-411No feedback feed from manufacturer
A 10.0 SQL injection on a patient health portalSep 5, 2024Same property (MITRE EMB3D)PID-411No feedback feed from manufacturer
GE Healthcare imaging and ultrasound systems expose default service credentialsDec 8, 2020Same property (MITRE EMB3D)PID-411No feedback feed from manufacturer

Threats and weaknesses in matched advisories

MITRE EMB3D threats
TID-210 Device Vulnerabilities Unpatchable TID-222 Critical System Service May Be Disabled TID-310 Remotely Accessible Unauthenticated Services TID-311 Default Credentials TID-313 Unauthenticated Session Changes Credential TID-316 Incorrect Certificate Verification Allows Authentication Bypass TID-320 SQL Injection TID-324 HTTP Direct Object Reference TID-328 Hardcoded Credentials TID-329 Improper Password Storage TID-404 Remotely Triggerable Deadlock/DoS TID-406 Unauthorized Messages or Connections TID-407 Missing Message Replay Protection TID-408 Unencrypted Sensitive Data Communication
CWE weaknesses
CWE-1104 Use of Unmaintained Third Party Components CWE-1329 Reliance on Component That is Not Updateable CWE-1390 Weak Authentication CWE-1392 Use of Default Credentials CWE-287 Improper Authentication CWE-290 Authentication Bypass by Spoofing CWE-294 Authentication Bypass by Capture-replay CWE-306 Missing Authentication for Critical Function CWE-522 Insufficiently Protected Credentials CWE-798 Use of Hard-coded Credentials CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')