Abyss ransomware group lists moinian.com on its leak site

• Ransomware group: Abyss
• Country: United States
• Sector: Hospitality
• Announcement date: September 11, 2025

Abyss ransomware group claims data breach at Moinian Group

The Moinian Group has been listed on the leak site of the Abyss ransomware group. On September 11, 2025, the Abyss group announced that they had targeted the organization, claiming a data breach has occurred. The group alleges that they have successfully gained access to the organization's data.

Details of the alleged incident

According to the announcement made on the group's leak site, the attack was claimed to have taken place on September 11, 2025. While the group has publicly listed the organization, information regarding the Abyss group remains limited in the public domain. This lack of public information makes it difficult to ascertain the specific tactics, techniques, or procedures utilized by the threat actors during the alleged intrusion.

Regarding the specific nature of the incident, the group has not provided any screenshots or detailed information regarding the nature or content of the allegedly leaked data. Furthermore, no information has been provided concerning the total size of the data, the specific file count, or any ransom demands associated with this claim.

Organization profile

The Moinian Group is a privately held real estate investment company based in New York. Founded in 1982, the company focuses on commercial, residential, and hospitality properties.

Potential impact and industry implications

Given the organization's operations in the real estate and hospitality sectors, the alleged breach may pose a risk of exposing customer and employee data. As a US-based entity, a potential data breach could trigger notification obligations under relevant state laws and federal regulations. The publication of the alleged data may lead to reputational damage for the organization and expose customers to risks such as identity theft or targeted phishing attacks.

Furthermore, it is possible that the group may attempt to exert pressure through double extortion tactics. Double extortion is a common ransomware strategy where attackers not only encrypt an organization's data to disrupt operations but also steal sensitive information to threaten its public release if a ransom is not paid. This tactic increases the pressure on organizations to comply with demands to avoid the reputational and legal consequences of a data leak.

The situation also raises concerns regarding supply chain security. In modern digital ecosystems, a breach in one organization can potentially create vulnerabilities or risks for partners and service providers within the supply chain. Organizations operating in the hospitality and real estate sectors often manage significant amounts of sensitive personal and financial information, making them high-value targets for such extortion-based attacks. To defend against these threats, organizations typically focus on robust data encryption, strict access controls, and comprehensive monitoring to detect unauthorized access early in the attack lifecycle.