Quest Apartment Hotels Data Breach Exposes Nearly 2 Million Customers' Personal Information

• •Nearly 2 million customers affected by the Quest data breach.
• •Sensitive data includes credit card numbers with CVVs, passport, and Medicare numbers.
• •The breach was linked to a vulnerability in a third-party service provider.

A significant data breach at Quest Apartment Hotels has compromised the personal information of approximately 1,991,613 customers, including sensitive data such as credit card numbers, passport, and Medicare numbers. The breach was identified on August 19, 2026, following a cyberattack that exploited a vulnerability in a third-party technology provider. The data exposed includes 46,727 credit card numbers with CVVs and 297,739 credit card numbers without CVVs. Quest has confirmed that the affected data primarily relates to records from before June 2025. The company is cooperating with various Australian authorities to address the breach and has begun contacting affected individuals to provide guidance on protective measures. Experts warn that the stolen data could facilitate online fraud and identity theft.