Incident Score: Analysis & Impact (COI1767389997)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Coinbase'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 Coinbase 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 Coinbase breach identified under incident ID COI1767389997.
The analysis begins with a detailed overview of Coinbase's information like the linkedin page: https://www.linkedin.com/company/coinbase, the number of followers: 1432639, the industry type: Financial Services and the number of employees: 7370 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 405 and after the incident was 166 with a difference of -239 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 Coinbase and their customers.
Coinbase recently reported "Coinbase Data Breach and KYC Information Exposure", a noteworthy cybersecurity incident.
In 2025, Coinbase experienced a major data breach where customer service representatives accessed and exposed sensitive KYC data, including addresses, phone numbers, and government IDs.
The disruption is felt across the environment, and exposing KYC data (addresses, phone numbers, government IDs).
Formal response steps have not been shared publicly yet.
Overall, the incident is a reminder of why proactive monitoring and strong governance matter.
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 high confidence (90%), supported by evidence indicating customer service representatives improperly accessed sensitive KYC data. Under the Credential Access tactic, the analysis identified Unsecured Credentials: Cloud Instance Metadata API (T1552.005) with moderate confidence (50%), supported by evidence indicating internal security controls and compliance risks highlighted post-breach. Under the Collection tactic, the analysis identified Data from Information Repositories (T1213) with high confidence (90%), supported by evidence indicating exposed information included addresses, phone numbers, and government-issued IDs. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (70%), supported by evidence indicating kYC data exposure raises concerns over internal security controls and Transfer Data to Cloud Account (T1537) with moderate confidence (60%), supported by evidence indicating high-profile financial platform handling PII vulnerabilities. Under the Impact tactic, the analysis identified Data Destruction (T1485) with lower confidence (30%), supported by evidence indicating stock value halved amid broader crypto market downturn and Data Encrypted for Impact (T1486) with lower confidence (20%), supported by evidence indicating no explicit evidence of encryption, but breach implies data compromise. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Coinbase Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/coinbase/incident/COI1767389997
- Coinbase CyberSecurity Rating page: https://www.rankiteo.com/company/coinbase
- Coinbase Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/coi1767389997-breach-january-2025/
- Coinbase CyberSecurity Score History: https://www.rankiteo.com/company/coinbase/history
- Coinbase CyberSecurity Incident Source: https://www.tradingview.com/news/tradingview:798915bfc1c9f:0-key-facts-coinbase-s-stock-plummets-50-data-breach-exposes-kyc-info/
- 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