Browse publicly disclosed data breaches by affected accounts, date and exposed data types.
Affected27.3 Million
Ryohin Keikaku Co., Ltd., the Tokyo-based operator of lifestyle and retail brand MUJI, disclosed on October 30, 2026, that its official MUJI App in Japan had suffered…
AffectedNot disclosed
On October 21, 2026, U.S. clinical laboratory operator Quest Diagnostics (questdiagnostics.com) identified unauthorized activity targeting its Quanum Lab Services…
AffectedNot disclosed
In October 2026, IT staff at DNC Sağlık Hizmetleri A.Ş. (dncsaglik.com), a private healthcare facility in Çankaya, Ankara, discovered a ransomware attack after…
AffectedNot disclosed
Enka Spor Eğitim ve Sosyal Yardım Vakfı (enka.k12.tr), the Turkish educational and social foundation operating ENKA Schools, suffered a ransomware attack targeting its…
Affected26.7 Thousand
Japanese cloud and domain infrastructure provider GMO Internet, Inc. disclosed in October 2026 that its Windows virtual private server service, Onamae.com Desktop Cloud…
Affected525 Thousand
On October 20, 2026, the University of Copenhagen (Københavns Universitet, ku.dk) detected a cyberattack targeting one of its IT test environments and publicly disclosed…
Affected2.6 Million
Sony Network Communications Inc., the Japanese internet service provider subsidiary of Sony Group Corporation, announced on October 27, 2026, that its So-net member…
Affected4.9 Million
The Florida Department of Education (FLDOE) confirmed in October 2026 that its online Florida Student Financial Aid portal, administered by the Office of Student…
Affected41.2 Thousand
In October 2026, a threat actor operating under the alias "Icepick" compromised an Okta single sign-on (SSO) directory environment used by the U.S.
Affected321.8 Thousand
Between October 14 and October 15, 2026, cloud PaaS provider Zeabur (zeabur.com) suffered a multi-path intrusion after an attacker used long-lived plaintext internal…
Affected109
In October 2026, Ondokuz Mayıs University (omu.edu.tr), a public university in Samsun, Turkey, suffered a data breach after attackers exploited a vulnerability…
Affected22.5 Million
Japanese software publisher and hardware maker Sourcenext Corporation announced that an external attacker exploited its member information retrieval API between October…
