2026 Back and Bond — KVKK notice; 5,435 people (third-party systems)
Data compromised
Personal data per KVKK public notice
Technical writeup
Verified Turkish KVKK public notice — published September 16, 2026 (Board Decision 2026/2039 cluster). Back and Bond Hazır Giyim A.Ş.: Unauthorized access involving third-party systems/software (KVKK notice). Affected data: Personal data per KVKK public notice. recordsAffected 5435; companyConfirmed true. KVKK stated reviews continue; regulator has not confirmed all 12 notices are a single shared attack despite several citing third-party library/processor themes.
Root cause
Unauthorized access involving third-party systems/software (KVKK notice)
References
- https://www.kvkk.gov.tr/Icerik/8984/kamuoyu-duyurusu-veri-ihlali-bildirimi-back-and-bond-hazir-giyim-anonim-sirketi
- https://www.turkishminute.com/2026/09/17/data-breaches-at-12-turkish-companies-expose-personal-data-of-over-10-million-people/
- https://www.memurlar.net/haber/1178356/kvkk-acikladi-12-sirketin-verileri-calindi-10-milyon-kisi-etkilendi.html