California Casualty Breach Incident Score: Analysis & Impact (CAL4502745112125)

In this Rankiteo incident briefing, we review the California Casualty breach identified under incident ID CAL4502745112125.

The analysis begins with a detailed overview of California Casualty's information like the linkedin page: https://www.linkedin.com/company/california-casualty, the number of followers: 11812, the industry type: Insurance and the number of employees: 559 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 754 and after the incident was 690 with a difference of -64 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 California Casualty and their customers.

California Casualty recently reported "California Casualty Data Breach", a noteworthy cybersecurity incident.

Attorneys are investigating a potential class action lawsuit following the California Casualty data breach.

The disruption is felt across the environment, and exposing True.

In response, and stakeholders are being briefed through Public advisory for affected individuals to come forward via a form for legal investigation.

The case underscores how Ongoing (class action lawsuit investigation in progress), and recommending next steps like Affected individuals are advised to monitor their personal and financial information for signs of fraud or identity theft and Consider participating in the legal investigation by filling out the provided form to explore options for compensation or remediation, with advisories going out to stakeholders covering Legal teams are reaching out to affected individuals to gather information for the lawsuit.

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 Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (85%), with evidence including personal information may have been compromised (PII likely exposed), and sensitive customer information in breach description. Under the Exfiltration tactic, the analysis identified Exfiltration Over Alternative Protocol (T1048) with moderate to high confidence (75%), with evidence including data breach exposing sensitive customer information (implied exfiltration), and class action lawsuit implies data was removed from secure systems and Exfiltration Over C2 Channel (T1041) with moderate to high confidence (70%), supported by evidence indicating no technical details provided, but breach suggests unauthorized data transfer. Under the Initial Access tactic, the analysis identified Valid Accounts (T1078) with moderate to high confidence (80%), with evidence including company may have failed to adequately secure customer data (implies credential misuse or weak access controls), and insurance sector breaches often involve abused legitimate accounts and Exploit Public-Facing Application (T1190) with moderate to high confidence (70%), supported by evidence indicating no specific vector listed, but public-facing insurance portals are common targets. Under the Impact tactic, the analysis identified Abuse Fraudulent Identity (T1598) with high confidence (90%), with evidence including potentially enabling identity theft, fraud, or financial harm, and customers advised to monitor for signs of fraud or identity theft. Under the Credential Access tactic, the analysis identified Unsecured Credentials (T1552) with moderate to high confidence (75%), supported by evidence indicating failed to adequately secure customer data (implies poor credential hygiene or storage). These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.