SingleSource listed on ALPHV ransomware leak site

• Ransomware group: ALPHV
• Country: United States
• Sector: Transportation
• Announcement date: July 26, 2023

ALPHV claims data breach at SingleSource

The food distribution company SingleSource has been listed on the leak site of the ALPHV ransomware group. According to the announcement made on July 26, 2023, the threat actor group claims to have successfully targeted the organization, alleging that the company's information security infrastructure was inadequate to prevent the intrusion.

The group claims to have exfiltrated over 300 GB of confidential data belonging to SingleSource. This claim of theft is accompanied by a threat to publish the company's confidential information and customer lists if their demands are not met. While the group has posted screenshots as evidence, they have not provided any information regarding a specific ransom demand. The group's claim suggests the initial attack may have occurred as early as February 17, 2023.

Data and evidence provided by the attackers

The ALPHV group has provided some evidence to support their claims of a successful exfiltration. The available screenshots from the leak site display sample documents that appear to be part of the stolen dataset. Among these samples is a bill of lading, which is a critical document in the transportation and logistics industry.

The group asserts that the total volume of stolen confidential data exceeds 300 GB. Based on the information provided by the attackers, the following types of data are identified as being affected by this incident:

• Customer lists
• Bills of lading

About SingleSource

SingleSource is a company that provides foodservice distribution and logistics management services nationwide through a network of ten distribution centers. Operating within the transportation and logistics sector, the company plays a role in the supply chain by managing the movement and distribution of food services across the United States.

Impact and security implications

This incident may pose significant risks to the company's operational continuity and customer privacy. The potential publication of leaked data could facilitate identity theft or targeted phishing attacks against the company's customers. Because SingleSource operates in the logistics sector, the incident may introduce secondary risks regarding supply chain security, as disruptions or data leaks in logistics can impact various interconnected business partners.

The ALPHV group, also known as BlackCat, is a known threat actor characterized by its use of Rust-based malware and its employment of double-extortion tactics. In a double-extortion scenario, attackers not only encrypt a victim's systems to disrupt operations but also steal sensitive data to threaten public disclosure, thereby increasing the pressure on the organization to pay the ransom.

The potential data breach could trigger administrative and legal processes under relevant data protection regulations. For organizations operating in critical sectors like logistics, such incidents highlight the necessity of robust security postures. General defensive measures often include implementing multi-factor authentication, maintaining offline backups, and conducting regular security audits to identify vulnerabilities in the information security infrastructure. The complexity of modern supply chains means that a breach in one organization can have ripple effects across the entire network.