NCheng listed on SilentRansomGroup leak site

• Ransomware group: SilentRansomGroup
• Country: United States
• Sector: Professional Services
• Announcement date: May 6, 2025

SilentRansomGroup has listed the organization NCheng on its leak site, claiming to have obtained the organization's data. This announcement, made on May 6, 2025, marks a new development in the ongoing activity of the threat actor group.

The claimed attack event

According to the announcement posted by SilentRansomGroup, the threat actor claims to have gained access to the organization's data following an incident allegedly occurring on March 20, 2025. This timeline suggests that the breach may have occurred several weeks prior to the public listing on the leak site.

Information regarding the specific methods used by the threat actor to gain access remains unavailable. Furthermore, public information about this group is limited, making it difficult to establish a clear pattern of behavior or attribution based solely on this single listing. Ransomware leak sites are frequently used by cybercriminals as a tool for double extortion, a tactic where attackers not only encrypt an organization's systems but also threaten to release sensitive information to pressure the victim into paying a ransom.

Details regarding the alleged data leak

Despite the claim of a data breach, the threat actor has not provided specific details regarding the contents of the alleged theft. No screenshots or detailed information regarding the nature of the allegedly leaked data have been provided by the group.

• The listing names no specific data types.

In many ransomware scenarios, attackers aim to exfiltrate sensitive information to increase their leverage. This can include intellectual property, financial records, or personal identifiable information. However, in this specific case, the group has not disclosed the volume of data or the specific files involved in the alleged incident.

About NCheng

NCheng LLP is a New York-based engineering and consulting firm. Founded in 1989, the company provides structural engineering and project management services. The firm primarily serves public agencies and non-profit organizations, providing specialized expertise in large-scale infrastructure and organizational management.

Risk assessment and implications

The leak claim may pose risks to the organization's operational continuity and reputation management. Until the content of the data is verified, the possibility of the exposure of personal information or trade secrets should be considered. For organizations operating in the professional services sector, maintaining client trust and data integrity is paramount to operational success.

As a US-based entity, a potential data breach could trigger notification obligations under relevant state laws and federal regulations. Such regulatory frameworks are designed to ensure that affected parties are informed of potential compromises to their sensitive information.

Furthermore, the exposure of the alleged data may lead to secondary risks such as identity theft or targeted phishing attacks for the organization's employees and clients. When data is leaked, threat actors often use the information to conduct more sophisticated social engineering attacks, targeting specific individuals within an organization or its client base to gain further access to secure networks.

To mitigate such risks, organizations typically focus on robust defensive measures. These include implementing multi-factor authentication, maintaining rigorous patch management schedules, and conducting regular security awareness training for employees to recognize phishing attempts. Additionally, maintaining offline, immutable backups is a critical component of a resilient cybersecurity posture to ensure operational continuity in the event of a successful ransomware attack.