data breachcybersecurityhealthcarethird-party riskidentity theft

Data breach at medical billing firm MCBS affects 1.26 million people

July 27, 2026

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Source: BleepingComputer

In a significant data breach, a medical billing company named MCBS has been compromised, potentially exposing the personal and sensitive information of approximately 1.26 million individuals. The breach occurred due to unauthorized access to MCBS's systems between November 2020 and March 2021. This incident underscores the vulnerability of third-party service providers in the healthcare sector, a reality that many Canadian businesses should be aware of. Businesses must prioritize data security measures with their partners to minimize potential fallout from such breaches. The compromised data includes names, addresses, health card numbers, and other sensitive personal information, putting affected individuals at risk of identity theft and fraud.
data breachcybersecurityhealthcarethird-party riskidentity theft

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