TKC security incident history
Hacking, data breaches and other security incidents involving TKC, with related coverage.
Incidents: 1 · Most recent
Arara email service breach exposes up to 2.23 million TKC user email addresses
↳ Knock-on damage from the Arara incident · View original incident2.2MImpact: Up to 2,230,812 user email addresses
Additional disclosures revealed that up to 2,230,812 email addresses belonging to users of TKC-operated systems were exposed through a breach of Arara’s email service. Investigators are examining whether information belonging to users of municipal online application services, including those in Yokohama and Kawasaki, was also affected.
Read on The Boston Report ↗