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Analyze » Hospital Authority » HOS1775284192

Incident Score: Analysis & Impact (HOS1775284192)

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

Rankiteo Score Impact Analysis

Rankiteo Incident Impact-75
Company Score Before Incident778 / 1000
Company Score After Incident703 / 1000
Company LinkView Hospital Authority Profile
INCIDENT NUMBERHOS1775284192
Type of Cyber IncidentBreach
ATTACK VECTORNA
DATA EXPOSEDPersonal and medical information of...
INCIDENT DATE02/04/2026
STATUSOngoing

Key Highlights From The Incident Analysis

  • Timeline of Hospital Authority'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 Hospital Authority 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 Hospital Authority breach identified under incident ID HOS1775284192.

The analysis begins with a detailed overview of Hospital Authority's information like the linkedin page: https://www.linkedin.com/company/hospital-authority, the number of followers: 32674, the industry type: Hospitals and Health Care and the number of employees: 12402 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 778 and after the incident was 703 with a difference of -75 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 Hospital Authority and their customers.

On 10 November 2023, Hong Kong Hospital Authority disclosed Data Breach issues under the banner "Hong Kong Hospital Authority Suffers Major Data Breach Affecting 56,000 Patients".

Hong Kong’s Hospital Authority reported a significant data breach on Friday, exposing the personal and medical information of over 56,000 patients.

The disruption is felt across the environment, and exposing Personal and medical information of over 56,000 patients, with nearly 56,000 records at risk.

In response, and stakeholders are being briefed through Advisories issued to affected patients.

The case underscores how Ongoing, with advisories going out to stakeholders covering Affected patients advised to monitor their accounts for suspicious activity.

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 Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating unauthorized access to sensitive data and Exploit Public-Facing Application (T1190) with lower confidence (40%), supported by evidence indicating source of the leak not yet identified. Under the Credential Access tactic, the analysis identified OS Credential Dumping (T1003) with moderate confidence (50%), supported by evidence indicating hong Kong identity card numbers, medical histories compromised and Unsecured Credentials (T1552) with moderate confidence (50%), supported by evidence indicating unauthorized access to sensitive data. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating personal and medical information of over 56,000 patients exposed and Data from Information Repositories (T1213) with moderate to high confidence (70%), supported by evidence indicating hospital visit records and medical histories compromised. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (70%), supported by evidence indicating data subsequently leaked on a third-party platform and Exfiltration Over Web Service (T1567) with moderate confidence (60%), supported by evidence indicating leaked on a third-party platform. Under the Impact tactic, the analysis identified Data Destruction (T1485) with lower confidence (30%), supported by evidence indicating no evidence of immediate financial fraud reported and Data Manipulation: Stored Data Manipulation (T1565.001) with lower confidence (40%), supported by evidence indicating high risk of identity theft for affected patients. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.

Initial Access
Valid Accounts (60%)
Exploit Public-Facing Application (40%)
Credential Access
OS Credential Dumping (50%)
Unsecured Credentials (50%)
Collection
Data from Local System (80%)
Data from Information Repositories (70%)
Exfiltration
Exfiltration Over C2 Channel (70%)
Exfiltration Over Web Service (60%)
Impact
Data Destruction (30%)
Data Manipulation: Stored Data Manipulation (40%)

Sources & References