jvdbassoc.com listed on Lockbit5 leak site

• Ransomware group: Lockbit5
• Country: United States
• Sector: Professional Services
• Announcement date: December 19, 2025

LockBit5 claims data breach at jvdbassoc.com

The LockBit5 ransomware group has listed the professional services firm jvdbassoc.com on its dedicated leak site. This announcement follows a claim by the threat actor group that data belonging to the organization has been compromised. The listing appeared on the group's platform on December 19, 2025, following a discovery date of the same day.

Ransomware groups often utilize leak sites to exert pressure on their victims 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 information. The threat of leaking this stolen data on a public platform serves as a secondary method to coerce the victim into paying a ransom. By publishing a countdown, the group creates a sense of urgency, signaling to the victim and the public that the data will be released if certain conditions are not met.

Details of the alleged incident

According to the announcement published by LockBit5, the group has initiated a countdown process for the publication of the data. While the group has officially claimed that the organization's information has been compromised, the specific nature of the alleged leaked data remains unknown. There is no information regarding the nature of the alleged leaked data in the provided screenshot or registration details.

Affected data types

The listing names no specific data types that have been compromised.

Organization profile

The target of this alleged attack, JVDB & Associates Inc, is a professional services firm. The company was founded in 1999 and is based in Elgin, Illinois, within the United States.

Impact and risk assessment

The potential exposure of the company's data may create secondary risks such as identity theft or targeted phishing attacks for employees and clients. When professional services firms are targeted, the sensitive nature of client relationships and internal documentation can make them high-value targets for cybercriminals looking to exploit personal or corporate information.

Given that the company operates in the United States, state-level data protection laws and potential breach notification requirements may be applicable. Organizations facing such incidents must navigate complex regulatory landscapes regarding how and when to notify affected parties about a compromise.

LockBit is a Ransomware-as-a-Service (RaaS) group that has been tracked since 2019. It is reported that the group has continued operations with a new version following a disruption in February 2024. Such groups often evolve their tactics and infrastructure to maintain operational continuity despite law enforcement interventions.

The incident may result in negative impacts on the company's operational continuity and reputation management. To mitigate such risks, organizations in the professional services sector typically focus on robust defensive measures. These include implementing multi-factor authentication, maintaining regular offline backups, conducting employee security awareness training, and ensuring rigorous patch management to close vulnerabilities before they can be exploited by ransomware operators.