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Analyze » iRhythm Technologies, Inc. » IRH1781563219

Incident Score: Analysis & Impact (IRH1781563219)

The details regarding individual company incidents & reports gives you full view from every side.

Rankiteo Score Impact Analysis

Rankiteo Incident Impact-67
Company Score Before Incident774 / 1000
Company Score After Incident707 / 1000
Company LinkView iRhythm Technologies, Inc. Profile
INCIDENT NUMBERIRH1781563219
Type of Cyber IncidentBreach
ATTACK VECTORSocial Engineering
DATA EXPOSEDProprietary information and protected health...
INCIDENT DATE07/06/2026
STATUSOngoing

Key Highlights From The Incident Analysis

  • Timeline of iRhythm Technologies, Inc.'s Breach and lateral movement inside company's environment.
  • Overview of affected data sets, including SSNs and PHI, and why they materially increase incident severity.
  • How Rankiteo’s incident engine converts technical details into a normalized incident score.
  • How this cyber incident impacts iRhythm Technologies, Inc. Rankiteo cyber scoring and cyber rating.
  • Rankiteo’s MITRE ATT&CK correlation analysis for this incident, with associated confidence level.

Full Incident Analysis Transcript

In this Rankiteo incident briefing, we review the iRhythm Technologies, Inc. breach identified under incident ID IRH1781563219.

The analysis begins with a detailed overview of iRhythm Technologies, Inc.'s information like the linkedin page: https://www.linkedin.com/company/irhythm-technologies-inc-, the number of followers: 89681, the industry type: Medical Equipment Manufacturing and the number of employees: 1803 employees

After the initial compromise, the video explains how Rankiteo's incident engine converts technical details into a normalized incident score. The incident score before the incident was 774 and after the incident was 707 with a difference of -67 which is could be a good indicator of the severity and impact of the incident.

In the next step of the video, we will analyze in more details the incident and the impact it had on iRhythm Technologies, Inc. and their customers.

On 08 June 2024, iRhythm Technologies disclosed Data Breach issues under the banner "iRhythm Discloses Data Breach Involving Patient and Proprietary Information".

iRhythm Technologies revealed unauthorized access to data stored on certain third-party-hosted business applications.

The disruption is felt across the environment, affecting Third-party-hosted business applications, and exposing Proprietary information and protected health information (PHI).

In response, teams activated the incident response plan, moved swiftly to contain the threat with measures like Investigation and containment initiated, and stakeholders are being briefed through Public disclosure on June 8.

The case underscores how Ongoing.

Finally, we try to match the incident with the MITRE ATT&CK framework to see if there is any correlation between the incident and the MITRE ATT&CK framework.

The MITRE ATT&CK framework is a knowledge base of techniques and sub-techniques that are used to describe the tactics and procedures of cyber adversaries. It is a powerful tool for understanding the threat landscape and for developing effective defense strategies.

MITRE ATT&CK® Correlation Analysis

Rankiteo's analysis has identified several MITRE ATT&CK tactics and techniques associated with this incident, each with varying levels of confidence based on available evidence. Under the Initial Access tactic, the analysis identified Phishing (T1566) with high confidence (90%), supported by evidence indicating breach...resulted from social engineering tactics and Trusted Relationship (T1199) with moderate to high confidence (70%), supported by evidence indicating unauthorized access to data stored on certain third-party-hosted business applications. Under the Credential Access tactic, the analysis identified Adversary-in-the-Middle (T1557) with moderate confidence (60%), supported by evidence indicating social engineering tactics...unauthorized access to data. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating data including proprietary information and protected health information (PHI) and Data from Information Repositories (T1213) with moderate to high confidence (80%), supported by evidence indicating unauthorized access to data stored on certain third-party-hosted business applications. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating threat actor claimed to have exfiltrated sensitive data and Exfiltration Over Web Service (T1567) with moderate to high confidence (70%), supported by evidence indicating third-party-hosted business applications. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1471) with lower confidence (30%), supported by evidence indicating threat actor demanded payment to prevent public disclosure and Defacement (T1491) with lower confidence (40%), supported by evidence indicating threat actor demanded payment to prevent public disclosure. Under the Command and Control tactic, the analysis identified Application Layer Protocol (T1071) with moderate confidence (60%), supported by evidence indicating threat actor contacted iRhythm...demanded payment. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.

Initial Access
Phishing (90%)
Trusted Relationship (70%)
Credential Access
Adversary-in-the-Middle (60%)
Collection
Data from Local System (80%)
Data from Information Repositories (80%)
Exfiltration
Exfiltration Over C2 Channel (90%)
Exfiltration Over Web Service (70%)
Impact
Data Encrypted for Impact (30%)
Defacement (40%)
Command and Control
Application Layer Protocol (60%)

Sources & References