RansomHub claims data breach against minneapolisparks.org

• Ransomware group: RansomHub
• Country: United States
• Sector: Government & Defense
• Announcement date: November 25, 2024

RansomHub claims a data breach at minneapolisparks.org

The ransomware group known as RansomHub has published a claim on its leak site involving the Minneapolis Park and Recreation Board (minneapolisparks.org). According to the announcement, the group has successfully targeted the organization and has released data they claim belongs to the entity.

Details of the alleged ransomware attack

According to the announcement published on November 25, 2024, RansomHub claims to have conducted a cyberattack against minneapolisparks.org, resulting in unauthorized access to corporate data. The group asserted that they have leaked various sensitive documents belonging to the organization.

While the group has not provided information regarding a ransom demand, they have shared screenshots in their announcement. These screenshots suggest that the volume of compromised data may be approximately 235 GB. The group's claim indicates that the breach occurred on the same day the announcement was made, November 25, 2024.

Alleged compromised data types

The data allegedly leaked by the group includes a variety of sensitive information. Based on the group's claims, the following types of data have been compromised:

• Financial documents
• Insurance certificates
• Commercial correspondence
• Marketing materials
• Employee personal data

About the Minneapolis Park and Recreation Board

The Minneapolis Park and Recreation Board is a local government agency responsible for managing the park system and recreational facilities in Minneapolis, Minnesota, USA. It oversees the maintenance and operation of the city's parks, lakes, and community centers.

Security implications and risk assessment

This leak may increase the risk of identity theft or targeted phishing attacks for the organization's employees and business partners. Because the leaked information includes personal data and commercial correspondence, the potential for social engineering attacks is elevated. Furthermore, given that the organization is a public entity, the leaked data could have negative implications for public safety and administrative processes.

Under US regulations, the organization may be required to fulfill relevant notification obligations in the event of a personal data breach. RansomHub is a Ransomware-as-a-Service (RaaS) group that emerged in early 2024 and is reported to have ties to ALPHV. This connection suggests that the group may be inclined to use double extortion tactics, a method where attackers not only encrypt data but also threaten to leak it to pressure the victim into paying.

Although the group's activities were reported to have ceased in early 2025, it is anticipated that the leaked data may continue to pose long-term security risks. Ransomware leak sites function as a platform for extortion, where threat actors post stolen data to shame organizations into paying ransoms. When these sites are used, organizations often face the challenge of managing the fallout from leaked sensitive information, which can persist long after the initial attack. To mitigate such risks, organizations in the government and defense sector typically focus on robust data protection, employee awareness training to prevent phishing, and strict adherence to regulatory notification requirements to manage the impact of breaches on public trust and administrative integrity.