Oracle Breach Incident Score: Analysis & Impact (ORAPAR1766015901)

In this Rankiteo incident briefing, we review the Oracle breach identified under incident ID ORAPAR1766015901.

The analysis begins with a detailed overview of Oracle's information like the linkedin page: https://www.linkedin.com/company/oracle, the number of followers: 11005980, the industry type: IT Services and IT Consulting and the number of employees: 197447 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 464 and after the incident was 463 with a difference of -1 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 Oracle and their customers.

On 17 December 2025, Parexel disclosed Data Breach issues under the banner "Parexel Data Breach Involving Sensitive Personal Information".

Parexel reported a data breach where sensitive personal identifiable information in its Oracle OCI E-Business Suite environment may have been compromised.

The disruption is felt across the environment, affecting Oracle OCI E-Business Suite (Oracle EBS), and exposing Sensitive personal identifiable information.

In response, and stakeholders are being briefed through Data breach notification letters mailed to impacted individuals.

The case underscores how Completed, with advisories going out to stakeholders covering 24 months of complimentary credit monitoring services provided to affected individuals.

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.

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 to high confidence (70%), supported by evidence indicating unauthorized third party accessed employee-related data in Oracle EBS and Exploit Public-Facing Application (T1190) with moderate confidence (60%), supported by evidence indicating oracle OCI E-Business Suite environment accessed by unauthorized party. Under the Credential Access tactic, the analysis identified Unsecured Credentials (T1552) with moderate confidence (50%), supported by evidence indicating suspicious activity detected within Oracle EBS system and Brute Force (T1110) with lower confidence (40%), supported by evidence indicating unauthorized access to sensitive employee data. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (80%), supported by evidence indicating exposure of names, SSNs, financial account numbers, payment card details and Transfer Data to Cloud Account (T1537) with moderate confidence (50%), supported by evidence indicating data breach involving Oracle OCI E-Business Suite. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with lower confidence (30%), supported by evidence indicating no evidence of ransomware or encryption in incident details and Data Manipulation: Stored Data Manipulation (T1565.001) with lower confidence (20%), supported by evidence indicating no evidence of data manipulation in incident. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.