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Ransomware

City of New Castle listed by thegentlemen ransomware group

The ransomware group known as thegentlemen has listed the City of New Castle on their leak site, alleging a data breach.

By
Siberpol Intelligence Unit
Published
2 min read
2 min read
  • Ransomware group: thegentlemen
  • Country: United States
  • Sector: Government & Defense
  • Announcement date: February 13, 2026

The ransomware group known as thegentlemen has listed the City of New Castle on their leak site, alleging a data breach. This announcement, appearing on the group's platform, marks a significant development regarding the security posture of the municipal institution.

The claimed attack event

On February 13, 2026, the thegentlemen group published information regarding the City of New Castle on their leak platform. The group claims to have carried out an action against the institution's digital assets. This announcement indicates a potential risk to the institution's public services and administrative processes.

Ransomware attacks often involve a process known as double extortion, where threat actors not only encrypt an organization's data to disrupt operations but also steal sensitive information to use as leverage. By threatening to leak this data on a public platform, attackers aim to pressure the victim into paying a ransom to prevent the exposure of confidential records. Such incidents can cause significant disruption to the continuity of essential services provided to the public.

Details regarding the alleged data breach

At this time, no details regarding the nature of the allegedly leaked data have been shared. The provided screenshot displays the group's general blog page and does not contain any specific data samples. Furthermore, the listing provides no information regarding the total size of the data or the specific file count involved in the incident.

The listing names no specific data types that have been targeted or exfiltrated.

Potential risks and implications

This incident may bring about the risk of exposure for citizen data or administrative records within the City of New Castle. As a public institution operating in the US, the event could trigger state-level data protection laws and notification requirements if confirmed. The possibility of citizens being exposed to identity theft or targeted phishing attacks should be considered.

Public information regarding the thegentlemen group is limited, making it difficult to ascertain their specific motives or long-term objectives. Such incidents often result in negative impacts on the institution's operational continuity and public trust. When public entities are targeted, the breach of trust can extend beyond the digital realm, affecting the relationship between the government and the community it serves.

Sector-wide considerations and defensive measures

For organizations operating within the government and defense sector, maintaining robust cybersecurity frameworks is essential to protect sensitive administrative records and citizen information. The targeting of public institutions often aims to maximize social and political impact through the disruption of public services.

To mitigate the risks associated with such threats, organizations typically focus on several defensive layers. Implementing strict access controls and multi-factor authentication can help prevent unauthorized entry into digital assets. Regular backups, stored offline or in immutable environments, are critical for recovering from encryption-based attacks. Additionally, continuous monitoring of network traffic can assist in detecting unusual patterns that might indicate data exfiltration in progress.

Furthermore, comprehensive incident response plans are vital for managing the fallout of a breach. These plans should include protocols for legal compliance, such as meeting state-level notification requirements, and communication strategies to maintain public trust. As threat actors continue to target public infrastructure, the necessity for proactive defense and rapid response capabilities remains a primary concern for government administrators.

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