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Analyze » JRK Property Holdings » JRK1778611537

Incident Score: Analysis & Impact (JRK1778611537)

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

Rankiteo Score Impact Analysis

Rankiteo Incident Impact-96
Company Score Before Incident757 / 1000
Company Score After Incident661 / 1000
Company LinkView JRK Property Holdings Profile
INCIDENT NUMBERJRK1778611537
Type of Cyber IncidentRansomware
ATTACK VECTORNA
DATA EXPOSEDPersonally identifiable information (PII), Financial...
INCIDENT DATE04/05/2026
STATUSOngoing

Key Highlights From The Incident Analysis

  • Timeline of JRK Property Holdings's Ransomware 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 JRK Property Holdings 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 JRK Property Holdings breach identified under incident ID JRK1778611537.

The analysis begins with a detailed overview of JRK Property Holdings's information like the linkedin page: https://www.linkedin.com/company/jrk-property-holdings, the number of followers: 12461, the industry type: Real Estate and the number of employees: 408 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 757 and after the incident was 661 with a difference of -96 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 JRK Property Holdings and their customers.

On 22 April 2026, JRK Property Holdings disclosed Ransomware, Data Breach issues under the banner "JRK Property Holdings Ransomware Attack and Data Breach".

JRK Property Holdings, a Los Angeles-based real estate investment firm, confirmed a data breach after detecting suspicious network activity.

The disruption is felt across the environment, and exposing Personally identifiable information (PII), Financial account details.

In response, teams activated the incident response plan, and stakeholders are being briefed through Notification letters sent to affected individuals on May 5, 2026.

The case underscores how Ongoing, with advisories going out to stakeholders covering Notification letters sent to affected individuals on May 5, 2026.

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 Exploit Public-Facing Application (T1190) with moderate confidence (50%), supported by evidence indicating detecting suspicious network activity on March 26, 2026 and Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating unauthorized party had accessed files containing PII. Under the Execution tactic, the analysis identified User Execution: Malicious File (T1204.002) with moderate to high confidence (70%), supported by evidence indicating ransomware group The Gentlemen claimed responsibility. Under the Credential Access tactic, the analysis identified OS Credential Dumping (T1003) with moderate confidence (60%), supported by evidence indicating accessed files containing Social Security numbers, financial details. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating exposed data includes names, addresses, SSNs, DOBs, financial details. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating threatened to leak stolen data on the dark web and Exfiltration Over Web Service (T1567) with moderate to high confidence (70%), supported by evidence indicating data exfiltration confirmed by ransomware group. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with moderate confidence (50%), supported by evidence indicating ransomware attack attributed to The Gentlemen and Defacement (T1491) with lower confidence (40%), supported by evidence indicating threatened to leak stolen data on the dark web. Under the Defense Evasion tactic, the analysis identified Indicator Removal: Clear Windows Event Logs (T1070.001) with moderate confidence (50%), supported by evidence indicating suspicious network activity detected, investigation launched. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.

Initial Access
Exploit Public-Facing Application (50%)
Valid Accounts (60%)
Execution
User Execution: Malicious File (70%)
Credential Access
OS Credential Dumping (60%)
Collection
Data from Local System (80%)
Exfiltration
Exfiltration Over C2 Channel (90%)
Exfiltration Over Web Service (70%)
Impact
Data Encrypted for Impact (50%)
Defacement (40%)
Defense Evasion
Indicator Removal: Clear Windows Event Logs (50%)

Sources & References