Incident Score: Analysis & Impact (THEYALRUTHARSTAINSPRI1778258906)
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 Yale University's Cyber Attack 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 Yale University 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 Yale University breach identified under incident ID THEYALRUTHARSTAINSPRI1778258906.
The analysis begins with a detailed overview of Yale University's information like the linkedin page: https://www.linkedin.com/company/yale-university, the number of followers: 581362, the industry type: Higher Education and the number of employees: 19333 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 808 and after the incident was 777 with a difference of -31 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 Yale University and their customers.
On 01 May 2024, Harvard University disclosed Data Breach issues under the banner "Cyberattack Disrupts Canvas Learning Portal at Major Universities Worldwide".
Hackers breached Instructure Inc.’s Canvas platform this month, forcing the company to temporarily suspend services for thousands of colleges and universities globally.
The disruption is felt across the environment, affecting Canvas learning management system, and exposing User information, names, email addresses, internal messages, student IDs, communications.
In response, moved swiftly to contain the threat with measures like Temporary suspension of services, suspension of affected teacher accounts, while recovery efforts such as Service restoration by May 2 continue, and stakeholders are being briefed through Universities issued warnings to students and faculty.
The case underscores how Ongoing, with advisories going out to stakeholders covering Universities issued warnings to students and faculty about potential data exposure and phishing risks.
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: Default Accounts (T1078.001) with high confidence (90%), supported by evidence indicating exploited a vulnerability in a teacher-specific account and Exploit Public-Facing Application (T1190) with moderate to high confidence (80%), supported by evidence indicating breached Instructure Inc.’s Canvas platform. Under the Credential Access tactic, the analysis identified Unsecured Credentials: Cloud Credentials (T1552.006) with moderate to high confidence (70%), supported by evidence indicating teacher-specific account granting unauthorized access. Under the Lateral Movement tactic, the analysis identified Valid Accounts: Cloud Accounts (T1078.004) with moderate to high confidence (80%), supported by evidence indicating unauthorized access to some of the company’s websites. Under the Collection tactic, the analysis identified Data from Local System (T1005) with high confidence (90%), supported by evidence indicating names, email addresses, internal messages, student IDs compromised. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (80%), supported by evidence indicating shinyHunters claimed responsibility; data theft motivation and Transfer Data to Cloud Account (T1537) with moderate to high confidence (70%), supported by evidence indicating potential breaches of user information via cloud platform. Under the Impact tactic, the analysis identified Defacement: Internal Defacement (T1491.001) with moderate confidence (60%), supported by evidence indicating temporarily suspend services for thousands of colleges and Service Stop (T1489) with high confidence (90%), supported by evidence indicating forcing the company to temporarily suspend services. Under the Defense Evasion tactic, the analysis identified Valid Accounts: Cloud Accounts (T1078.004) with moderate to high confidence (80%), supported by evidence indicating unauthorized access via teacher-specific account. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Yale University Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/yale-university/incident/THEYALRUTHARSTAINSPRI1778258906
- Yale University CyberSecurity Rating page: https://www.rankiteo.com/company/yale-university
- Yale University Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/theyalrutharstainspri1778258906-instructure-inc-yale-university-princeton-university-stanford-university-harvard-university-rutgers-university-adelaide-university-cyber-attack-may-2026/
- Yale University CyberSecurity Score History: https://www.rankiteo.com/company/yale-university/history
- Yale University CyberSecurity Incident Source: https://www.insurancejournal.com/news/national/2026/05/08/869137.htm
- 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