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Client-Side Security Breach Alert: Blue Shield of California Exposes 4.7 Million Members Health Data Through Web Analytics Configuration


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2025-04-24 19:45:20
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Blue Team (CND)

by Source Defense A recent incident at Blue Shield of California highlights the critical importance of client-side security controls when implementing third-party scripts on healthcare websites. The nonprofit health plan has disclosed a significant data breach affecting 4.7 million members, stemming from a misconfiguration of Google Analytics on their web properties between April 2021 and


The post Client-Side Security Breach Alert: Blue Shield of California Exposes 4.7 Million Members’ Health Data Through Web Analytics Configuration appeared first on Source Defense.


The post Client-Side Security Breach Alert: Blue Shield of California Exposes 4.7 Million Members’ Health Data Through Web Analytics Configuration appeared first on Security Boulevard.



Scott Fiesel

Source: Security Boulevard
Source Link: https://securityboulevard.com/2025/04/client-side-security-breach-alert-blue-shield-of-california-exposes-4-7-million-members-health-data-through-web-analytics-configuration/?utm_source=rss&utm_medium=rss&utm_campaign=client-side-security-breach-alert-blue-shield-of-california-exposes-4-7-million-members-health-data-through-web-analytics-configuration


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