Yurei ransomware group lists www.thepromisenig.com on its leak site

• Ransomware group: Yurei
• Country: Nigeria
• Sector: Retail & E-Commerce
• Announcement date: September 8, 2025

Yurei ransomware group claims data breach at The Promise Nigeria Ltd

The Yurei ransomware group has published a listing on its leak site targeting The Promise Nigeria Ltd, a prominent organization based in Nigeria. According to the announcement made on September 8, 2025, the threat actors claim to have successfully exfiltrated sensitive corporate information belonging to the company. This development suggests a potential compromise of the organization's internal data and operational security.

The incident follows a pattern often seen in modern cyberattacks where threat actors utilize double extortion tactics. In these scenarios, attackers not only encrypt an organization's systems to disrupt operations but also steal sensitive data to use as leverage. By threatening to release this information on a public leak site, the attackers aim to pressure the victim into paying a ransom. While the specific ransom demand and the exact volume of stolen data have not been disclosed in the announcement, the claim of a significant breach remains a critical concern for the targeted entity.

Details of the alleged data theft

The Yurei group alleges that the breach is extensive, claiming to have obtained documents that span the company's entire operational history. This assertion implies that the exposure could impact long-term records and historical business processes. The announcement suggests that the organization's supply chain and financial processes may be at risk due to the nature of the information allegedly stolen.

The threat actor claims that the leaked content includes a variety of sensitive information types. According to the leak site announcement, the following data categories are involved:

• Financial data
• Supply contracts
• Agreements with local farmers and distributors
• Employee information
• Customer contact details

The disclosure of such diverse datasets—ranging from internal financial records to external partner agreements—highlights the potential breadth of the intrusion. The inclusion of employee and customer details introduces significant privacy concerns for the individuals involved.

About The Promise Nigeria Ltd

The Promise Nigeria Ltd is a leading brand operating within Nigeria's quick-service restaurant and catering industry. Established in 2000, the company has built a strong presence, particularly in the Port Harcourt region. The organization specializes in providing freshly prepared meals and offering various corporate catering solutions to its clientele.

Impact and organizational risks

This incident may negatively impact the company's operational continuity and commercial reputation. The exposure of sensitive data can lead to secondary risks, such as identity theft or targeted phishing attacks directed at employees and customers. Furthermore, the disclosure of contract details may compromise the company's professional relationships with its supply chain partners.

The severity of this incident may vary depending on the actual nature and sensitivity of the leaked data. Additionally, the company may face legal and regulatory obligations under Nigerian data protection regulations following such a disclosure. Information regarding the Yurei group remains limited, making it difficult to ascertain their specific motives or long-term objectives.

In the retail and catering sectors, maintaining the integrity of supply chain and customer data is vital. Organizations in this sector can mitigate risks by implementing robust defensive measures. These include maintaining regular offline backups, implementing multi-factor authentication across all systems, and conducting regular security awareness training for staff to prevent phishing. Furthermore, ensuring compliance with local data protection laws and maintaining a clear incident response plan are essential steps for managing the fallout of a potential breach and protecting stakeholder interests.