Incident Score: Analysis & Impact (WIN1775853062)
The details regarding individual company incidents & reports gives you full view from every side.
Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Windward Life Care'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 Windward Life Care 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 Windward Life Care breach identified under incident ID WIN1775853062.
The analysis begins with a detailed overview of Windward Life Care's information like the linkedin page: https://www.linkedin.com/company/windwardlifecare, the number of followers: 1085, the industry type: Individual and Family Services and the number of employees: 56 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 758 and after the incident was 657 with a difference of -101 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 Windward Life Care and their customers.
On 10 April 2026, Windward Life Care disclosed Data Breach, Ransomware issues under the banner "Windward Life Care Data Breach Impacting Sensitive Personal and Health Information".
Windward Life Care, a San Diego-based provider of aging life care management, in-home caregiving, and private home health nursing, disclosed a data breach affecting an undisclosed number of individuals.
The disruption is felt across the environment, and exposing 25 gigabytes.
In response, teams activated the incident response plan, and stakeholders are being briefed through Notification letters to affected individuals, reporting to state attorneys general, offering credit monitoring and identity theft restoration services.
The case underscores how Completed (data review concluded on 2026-04-06), with advisories going out to stakeholders covering Notification letters sent on 2026-04-10 with details on credit monitoring and identity theft restoration services.
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 individual may have accessed or copied sensitive data and Exploit Public-Facing Application (T1190) with lower confidence (40%), supported by evidence indicating initial access broker activity suspected. Under the Execution tactic, the analysis identified User Execution: Malicious File (T1204.002) with moderate confidence (50%), supported by evidence indicating ransomware group Sinobi claimed responsibility. Under the Credential Access tactic, the analysis identified OS Credential Dumping (T1003) with moderate to high confidence (70%), supported by evidence indicating social Security numbers, driver’s license numbers compromised and Unsecured Credentials: Credentials In Files (T1552.001) with moderate confidence (60%), supported by evidence indicating financial account details, medical records exposed. Under the Discovery tactic, the analysis identified File and Directory Discovery (T1083) with moderate to high confidence (70%), supported by evidence indicating 25 gigabytes of data exfiltrated, including customer records. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating pII and PHI compromised, including names, medical records and Data from Network Shared Drive (T1039) with moderate to high confidence (70%), supported by evidence indicating incident reports and contracts exfiltrated. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating 25 GB of data exfiltrated by Sinobi ransomware group. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with moderate confidence (50%), supported by evidence indicating ransomware group Sinobi claimed responsibility and Defacement: Internal Defacement (T1491.001) with lower confidence (40%), supported by evidence indicating threatened to publish the data if demands not met. Under the Defense Evasion tactic, the analysis identified Indicator Removal: Clear Windows Event Logs (T1070.001) with moderate confidence (50%), supported by evidence indicating unusual activity detected on December 8, 2025 and Hide Artifacts: Hidden Files and Directories (T1564.001) with lower confidence (40%), supported by evidence indicating third-party forensic specialists involved in investigation. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Windward Life Care Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/windwardlifecare/incident/WIN1775853062
- Windward Life Care CyberSecurity Rating page: https://www.rankiteo.com/company/windwardlifecare
- Windward Life Care Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/win1775853062-windward-life-care-ransomware-december-2025/
- Windward Life Care CyberSecurity Score History: https://www.rankiteo.com/company/windwardlifecare/history
- Windward Life Care CyberSecurity Incident Source: https://www.claimdepot.com/data-breach/windward-life-care-2026
- Rankiteo A.I CyberSecurity Rating methodology: https://www.rankiteo.com/Images/rankiteo_algo.pdf
- Rankiteo TPRM Scoring methodology: https://static.rankiteo.com/model/rankiteo_tprm_methodology.pdf