Quest Hotels data breach: Almost 2m impacted, almost 50k credit cards compromised – Cyber Daily

September 22, 2026 1 Min Read 0

Threat Intelligence Brief

Curated summary with source attribution

Source: cyberdaily.au

Threat Risk: High
Victim: Quest Hotels
Incident: Unauthorized access to a customer database via a third-party provider vulnerability.
Impact: Exposure of personal and financial data for approximately 1.99 million customers, including 46,727 full credit card details with CVVs.
Attacker: Unidentified threat actors
Analysis: The breach originated from a vulnerability within a third-party technology provider’s system, allowing unauthorized database access. The scale of the data loss is significant, encompassing highly sensitive identity markers including passport numbers and Medicare IDs. This incident highlights the critical risk posed by supply chain vulnerabilities in the hospitality sector.
Recommendations: Audit third-party vendor security controls and strictly limit access permissions.; Monitor financial statements for fraudulent activity if associated with the victim.; Implement robust data minimization policies to reduce the volume of sensitive PII stored.
Source: Cyber Daily

Editorial note: this post summarizes third-party reporting and links to the original source.
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