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Analyze » Quest Diagnostics » LABQUE1780590997

Incident Score: Analysis & Impact (LABQUE1780590997)

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

Rankiteo Score Impact Analysis

Rankiteo Incident Impact-82
Company Score Before Incident730 / 1000
Company Score After Incident648 / 1000
INCIDENT NUMBERLABQUE1780590997
Type of Cyber IncidentBreach
ATTACK VECTORNA
DATA EXPOSEDPersonal and health information of...
INCIDENT DATE31/07/2018
STATUSSettled

Key Highlights From The Incident Analysis

  • Timeline of Quest Diagnostics'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 Quest Diagnostics 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 Quest Diagnostics breach identified under incident ID LABQUE1780590997.

The analysis begins with a detailed overview of Quest Diagnostics's information like the linkedin page: https://www.linkedin.com/company/quest-diagnostics, the number of followers: 354140, the industry type: Medical and Diagnostic Laboratories and the number of employees: 31274 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 730 and after the incident was 648 with a difference of -82 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 Quest Diagnostics and their customers.

Laboratory Corporation of America Holdings (Labcorp) recently reported "Labcorp AMCA Data Breach Settlement", a noteworthy cybersecurity incident.

Laboratory Corporation of America Holdings (Labcorp) agreed to a $35 million class action settlement to resolve claims stemming from a 2018–2019 cybersecurity incident involving its third-party billing vendor, American Medical Collection Agency (AMCA).

The disruption is felt across the environment, and exposing Personal and health information of patients, plus an estimated financial loss of $35,000,000 (settlement amount).

In response, and stakeholders are being briefed through Public disclosure and settlement announcement.

The case underscores how Settled, with advisories going out to stakeholders covering Compensation and medical monitoring offered to affected individuals.

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 Supply Chain Compromise (T1195) with high confidence (90%), supported by evidence indicating cybersecurity incident involving its third-party billing vendor, AMCA. Under the Credential Access tactic, the analysis identified Steal Application Access Token (T1528) with moderate to high confidence (70%), supported by evidence indicating personal and health information of patients...transmitted to AMCA. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating personal and health information of patients...exposed and Data from Information Repositories (T1213) with moderate to high confidence (80%), supported by evidence indicating data Labcorp transmitted to AMCA between August 2018 and March 2019. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (70%), supported by evidence indicating breach exposed the personal and health information of patients and Transfer Data to Cloud Account (T1537) with moderate confidence (60%), supported by evidence indicating third-party billing vendor, AMCA, whose systems were breached. Under the Impact tactic, the analysis identified Data Destruction (T1485) with moderate confidence (50%), supported by evidence indicating identity theft, medical fraud, credit monitoring, legal services and Stored Data Manipulation (T1565.001) with lower confidence (40%), supported by evidence indicating personal and health information of patients...exposed. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.

Initial Access
Supply Chain Compromise (90%)
Credential Access
Steal Application Access Token (70%)
Collection
Data from Local System (80%)
Data from Information Repositories (80%)
Exfiltration
Exfiltration Over C2 Channel (70%)
Transfer Data to Cloud Account (60%)
Impact
Data Destruction (50%)
Stored Data Manipulation (40%)

Sources & References