North Stonington Public Schools Falls Victim to INTERLOCK Ransomware

🏫 About North Stonington Public Schools

North Stonington Public Schools (NSPS) is a small educational district in Connecticut, USA, serving approximately 736 students across two public schools, including North Stonington Elementary School. The district is dedicated to maintaining a safe and supportive environment for its students and staff, focusing on academic excellence and community development.

However, despite these commitments, the district has now become the latest target of the INTERLOCK ransomware group, which claims to have compromised over 3 terabytes of confidential school data.

⚠ Disclaimer

This report includes actual screenshots and/or text that may include unredacted personally identifiable information (PII) obtained from publicly available sources. Information is provided solely for cybersecurity awareness and threat intelligence purposes.

📌 Overview

On October 13, 2025, the INTERLOCK ransomware group listed North Stonington Public Schools on its dark web leak portal.

The group claims to have exfiltrated over 3 TB (terabytes) of confidential data, including student records, staff credentials, and administrative documents. INTERLOCK criticized the school’s IT department for “poor cybersecurity management” and stated that “all student data is now in our hands.”

📊 Key Details