Gerrity Stone listed on thegentlemen leak site

• Ransomware group: thegentlemen
• Country: United States
• Sector: Manufacturing
• Announcement date: October 3, 2026

The manufacturing company Gerrity Stone has been listed on the leak site of the threat actor group known as thegentlemen. The listing, which appeared on October 3, 2026, follows claims by the threat actor that they have successfully compromised the organization's systems.

The claimed attack and event details

According to the announcement made by thegroup thegentlemen, the cyberattack is claimed to have taken place on October 2, 2026. The threat actor claims to have gained unauthorized access to the organization's systems and subsequently performed a data exfiltration process. This type of activity is a hallmark of modern ransomware operations, where attackers focus on stealing sensitive information to use as leverage during extortion attempts.

Despite the claim of a successful breach, the current situation remains shrouded in uncertainty due to a lack of evidence provided by the attackers. As of the current assessment, there is no screenshot of the announcement available to verify the claims made by the group. Consequently, the specific details regarding the scope and the exact content of the leaked information remain unavailable to the public and security researchers.

Information regarding the leaked data

At this time, no specific information has been provided regarding the nature or the content of the leaked data. The threat actor has not disclosed the volume of the data stolen or the specific number of files involved in the exfiltration. Furthermore, no ransom demand has been made public in the current listing.

The listing names no specific data types or categories of information that have been compromised.

About Gerrity Stone

Gerrity Stone is a family-owned company that was founded in 1997. The organization specializes in the fabrication and installation of natural stone and is based in Wilmington, Massachusetts. The company maintains the largest natural stone inventory in the New England region. Their service offerings are comprehensive, covering full-cycle processes including digital templating, CNC, and water-jet fabrication.

Impact assessment and security considerations

This incident may negatively impact the organization's operational continuity and its commercial reputation. If the leaked data is found to include sensitive employee or customer information, there may be a significant risk of identity theft or targeted phishing attacks directed at the affected individuals. Because the organization is based in the United States, state-level data protection laws and potential legal obligations may apply to the situation.

Information regarding the group thegentlemen remains limited, which means that the group's specific motivations and their technical methods remain uncertain. For organizations operating within the manufacturing sector, such incidents highlight the importance of robust security postures. Common defensive steps for organizations to mitigate such risks include implementing multi-factor authentication, maintaining offline backups, and conducting regular network monitoring to detect unauthorized access early.

The organization may need to verify the claims made by the group and implement necessary security measures to mitigate any secondary risks that may arise from the alleged breach. In many ransomware scenarios, the threat of leaking data is used as a tool for double extortion, where the attacker demands payment both to prevent the decryption of systems and to prevent the public release of stolen information.