Metropolitan Adjustment Bureau listed on chaos ransomware leak site

• Ransomware group: chaos
• Country: United States
• Sector: Financial Services
• Announcement date: November 13, 2025

Metropolitan Adjustment Bureau has been listed on the leak site of the ransomware group known as chaos. The threat actor claims to have successfully targeted the organization, marking a significant potential data breach for the financial services firm.

The claims made by chaos

The chaos group claims to have obtained data belonging to Metropolitan Adjustment Bureau. According to the announcement published on their leak site on November 13, 2025, the group alleges that they possess a substantial amount of information from the organization. Specifically, the group alleges that they have acquired approximately 1000 GB of data.

Ransomware groups often utilize leak sites to pressure victims into paying ransoms through a tactic known as double extortion. In these scenarios, attackers not only encrypt an organization's internal systems to disrupt operations but also steal sensitive data to threaten public disclosure. By listing a target on a dedicated leak site, the group aims to damage the victim's reputation and create legal or regulatory pressure through the threat of exposing private information.

Details regarding the alleged data breach

Regarding the specifics of the breach, there is no detailed information regarding the nature of the allegedly leaked data. While the volume of the data has been specified by the attackers, the specific contents remain unknown. Furthermore, the provided screenshot indicates that the specific leak page is currently inaccessible, making it difficult to verify the exact contents of the claim at this time.

About Metropolitan Adjustment Bureau

Metropolitan Adjustment Bureau is a public insurance adjusting firm with over 50 years of experience. The organization assists homeowners and businesses with insurance claims related to fire, water, earthquake, and disaster damage.

Risk assessment and industry implications

This incident may pose risks to the organization's operational processes and customer trust. Given that the entity operates in the insurance sector, the possibility of sensitive personal and financial information being included in the compromised data cannot be ruled out. As the organization is based in the United States, a potential data breach could trigger investigations under state-level privacy laws and regulatory bodies.

Public information about the chaos group is limited, which adds a layer of uncertainty to the incident. Beyond the immediate operational impact, secondary risks may include identity theft and targeted phishing attacks against the organization's clients or employees. In such cases, attackers often use stolen information to craft highly convincing social engineering campaigns.

For organizations operating within the financial and insurance sectors, maintaining robust cybersecurity frameworks is essential to mitigate these risks. Common defensive steps for organizations include implementing multi-factor authentication, maintaining regular offline backups, and conducting regular security awareness training for staff. Furthermore, adhering to strict data minimization principles and encryption standards can help limit the impact if a breach does occur. As regulatory scrutiny increases globally, maintaining compliance with regional privacy laws remains a critical component of organizational resilience.