All Breaches
October 1, 2026 Verified

Yıldız Technical University Data Breach

Yıldız Technical University (YTÜ), a prominent public research university in Istanbul, Turkey, suffered a major ransomware cyberattack targeting its core server and virtualization infrastructure.

144.5 Thousand
Reported Records
7
Data Types
High
Severity
Oct 20, 2026
Last updated

Protect Yourself

Check whether you were affected by this breach

Check my email

Exposed Data Types

7
  • Names
  • Student identification numbers
  • Dates of birth
  • Phone numbers
  • Email addresses
  • Academic records
  • Personnel records

About This Breach

Discovered on October 1, 2026, the intrusion forced the temporary shutdown of the university's official portal, Student Information System (OBS), and digital academic platforms. In its mandatory breach notification to the Personal Data Protection Authority (KVKK), the university confirmed that approximately 140,000 enrolled and alumni students alongside 4,500 faculty and administrative staff were impacted. Potentially compromised records include full names, student identification numbers, institutional emails, contact details, and academic administrative logs.

Verification and editorial method

LeakData compares the incident name, date, affected-record count, and exposed data types with accessible sources. Unverified fields are not presented as facts, and records are updated when new evidence becomes available.

Report missing or incorrect information