ShadowByt3 ransomware group lists Knottingham Trent University on its leak site

• Ransomware group: ShadowByt3
• Country: United Kingdom
• Sector: Education
• Announcement date: August 25, 2026

ShadowByt3 claims data leak at Nottingham Trent University

The threat actor group known as ShadowByt3 has claimed to have leaked sensitive personal data allegedly belonging to Nottingham Trent University. This announcement, which was published on the group's leak site on August 25, 2026, follows a purported unauthorized access to the institution's digital infrastructure.

According to the claims made by ShadowByt3, the group managed to gain unauthorized access to the systems of Nottingham Trent University through the web application located at webapps.ntu.ac.uk. The group asserts that this initial breach occurred on August 19, 2026. The attackers claim that they provided an alert to the university regarding the intrusion and were able to successfully exfiltrate various types of data before their access to the network was terminated.

Alleged data types involved in the breach

The information allegedly stolen during the incident is highly sensitive and encompasses a wide range of personal and academic details. The data claimed to be exfiltrated by the ShadowByt3 group includes the following items:

• Passport details
• Dates of birth
• Nationality information
• Full legal names
• Personal email addresses
• Mobile phone numbers
• Home addresses
• Academic transcripts
• CVs
• Letters of recommendation

The breadth of this data suggests a significant compromise of personal information belonging to individuals associated with the institution.

About Nottingham Trent University

Nottingham Trent University is a public research university located in Nottingham, England. It is an established higher education institution offering a wide range of academic programs at both undergraduate and postgraduate levels.

Risk assessment and potential implications

This incident may pose a high risk of identity theft and fraud for students and staff within the university. The diversity of the leaked data could enable attackers to conduct sophisticated spear-phishing campaigns, using the specific academic and personal details to gain further trust from targets. Because the data includes highly specific documents like CVs and letters of recommendation, the potential for targeted social engineering is heightened.

As an institution operating in the United Kingdom, the university may face administrative sanctions under UK GDPR regulations due to the nature of the sensitive data involved. While information regarding the ShadowByt3 group remains limited, the impact on the university's community is a primary concern. The institution may need to notify affected individuals and review its security posture to prevent similar occurrences in the future.

In general, ransomware attacks often involve a strategy known as double extortion, where attackers not only encrypt data to disrupt operations but also steal sensitive information to use as leverage for ransom demands. When a leak site announcement occurs, it often signifies that the attackers are moving from the encryption phase to the public exposure phase. Organizations facing such threats typically focus on incident response, forensic investigation, and strengthening their defensive perimeter. For educational institutions, which manage vast amounts of personal and academic data, maintaining robust security controls over web applications and monitoring for unauthorized exfiltration are critical components of a modern cybersecurity strategy.