Cincinnati Museum Center Breach Incident Score: Analysis & Impact (CINSMI1767719499)

In this Rankiteo incident briefing, we review the Cincinnati Museum Center breach identified under incident ID CINSMI1767719499.

The analysis begins with a detailed overview of Cincinnati Museum Center's information like the linkedin page: https://www.linkedin.com/company/cincinnati-museum-center, the number of followers: 12063, the industry type: Museums, Historical Sites, and Zoos and the number of employees: 266 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 765 and after the incident was 625 with a difference of -140 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 Cincinnati Museum Center and their customers.

On 09 August 2024, Chesapeake Bay Maritime Museum disclosed Ransomware issues under the banner "Chesapeake Bay Maritime Museum Data Breach".

The Chesapeake Bay Maritime Museum notified 5,181 people of an August 2024 data breach that compromised victims’ names, Social Security numbers, and financial account info.

The disruption is felt across the environment, and exposing Names, Social Security numbers, financial account info, with nearly 5181 records at risk.

In response, and stakeholders are being briefed through Victim notification, credit monitoring offer.

The case underscores how Ongoing, with advisories going out to stakeholders covering 12 months of free credit monitoring through IDX.

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 Exploit Public-Facing Application (T1190) with moderate confidence (50%), supported by evidence indicating unauthorized access occurred between August 8 and 9, 2024 and Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating helldown employs double-extortion tactics, implying initial access. Under the Execution tactic, the analysis identified User Execution: Malicious File (T1204.002) with moderate to high confidence (70%), supported by evidence indicating ransomware group *Helldown* claimed responsibility for the attack. Under the Credential Access tactic, the analysis identified OS Credential Dumping (T1003) with moderate confidence (60%), supported by evidence indicating social Security numbers and financial account details compromised. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating stolen documents such as invoices, contracts, and inspection reports and Data from Information Repositories (T1213) with moderate to high confidence (70%), supported by evidence indicating names, Social Security numbers, and financial account info compromised. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating helldown posted stolen documents as proof; data exfiltration confirmed. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with high confidence (90%), supported by evidence indicating ransomware group *Helldown* employs double-extortion tactics and Data Destruction (T1485) with moderate confidence (50%), supported by evidence indicating systems encrypted; ransomware strain *Helldown* involved. Under the Defense Evasion tactic, the analysis identified Obfuscated Files or Information (T1027) with moderate confidence (60%), supported by evidence indicating ransomware attack; suspicious activity detected on August 9, 2024 and Impair Defenses: Disable or Modify Tools (T1562.001) with moderate confidence (50%), supported by evidence indicating delayed breach discovery and victim notification by over a year. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.