Ransomware group interlock hits Southeastern Oklahoma State University
Southeastern Oklahoma State University — a education target operating in US has been listed by the interlock ransomware group on 2026-07-31. The information below reflects what the threat actor has publicly claimed on their leak site; the details have not been independently verified.
Incident Report
| Target Organization | Southeastern Oklahoma State University |
|---|---|
| Threat Group | interlock |
| Summary | Southeastern Oklahoma State University is a public, four-year university located in Durant, Oklahoma. A data breach exposed student educational records (including names, contact information, Social Security numbers, grades, enrollment data, financial aid information, disciplinary records, and medical information contained in educational records). This breach violates the Family Educational Rights and Privacy Act (FERPA), the HIPAA Privacy Rule, and students' common-law privacy rights. The breach affected employee personal data and injury information, including employee name, date of birth, date of injury, as well as Social Security number, Medicare card, and child custody/consent status. More than 90,000 student names, Social Security numbers, and student identification numbers, as well as Forms 1095-C and more than 490 documents. |
| Date of Breach | 2026-07-31 |
| Discovery Date | 2026-08-19 |
| Region | US |
| Target Domain | se.edu |
| Business Sector | Education |
| Severity | MEDIUM |
Claim by interlock
Southeastern Oklahoma State University is a public, four-year university located in Durant, Oklahoma. A data breach exposed student educational records (including names, contact information, Social Security numbers, grades, enrollment data, financial aid information, disciplinary records, and medical information contained in educational records). This breach violates the Family Educational Rights and Privacy Act (FERPA), the HIPAA Privacy Rule, and students' common-law privacy rights. The breach affected employee personal data and injury information, including employee name, date of birth, date of injury, as well as Social Security number, Medicare card, and child custody/consent status. More than 90,000 student names, Social Security numbers, and student identification numbers, as well as Forms 1095-C and more than 490 documents.
Posted by the interlock threat actor on its public leak site. This is the group's own statement and has not been independently verified by HackerFeeds.
Sources
Victim website
se.edu
Leak post (onion / Tor)
http://mfrgymzi6w34lmxojf7hgteoskqo6j5zelunqh3dwxcmz7bbacqzwcad.onion/index.php?p=
Open this URL in Tor Browser. Browsing leak sites carries real risk — view passively, never click further.
Disclaimer
HackerFeeds does not engage in the exfiltration, downloading, taking, hosting, viewing, reposting, or disclosure of any stolen information. All breach data reported here is sourced from publicly available threat intelligence feeds for awareness purposes only.