Ransomware Attack at Yıldız Technical University May Affect Data of 140,000 Students

Summary

Yıldız Technical University reported that ransomware affected its virtualization infrastructure and servers. About 140,000 students and 4,500 staff may be affected; visitor numbers and data categories are unknown, and data theft has not been confirmed.

Key points

• The university reported that ransomware affected its virtualization infrastructure and servers, with the incident beginning and being detected on October 1, 2026.
• The university’s data-protection notification said about 140,000 students and 4,500 staff may be affected; the number of affected visitors is unknown.
• The categories of personal data potentially affected have not yet been determined.
• The university had experienced disruptions to digital services, including its student information system, online classes, and e-signature services.
• The official notice did not confirm that personal data was stolen or exfiltrated; an investigation is ongoing.