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ShinyHunters claims McKesson data breach exposing 284 million patients

📅 28 August 2026 at 19:16 UTC📰 Cyber InsiderView original source ↗
ShinyHunters claims McKesson data breach exposing 284 million patients

The ShinyHunters threat group claims it compromised McKesson and obtained data on over 284 million patients, including highly sensitive medical, identity, prescription, and healthcare provider information. CyberInsider reviewed samples privately provided by the threat actor that appear consistent with the types of information described in the data breach claims. McKesson Corporation is one of the … The post ShinyHunters claims McKesson data breach exposing 284 million patients appeared first on CyberInsider.

🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview

ShinyHunters claims to have compromised McKesson's systems through voice-phishing, extracting sensitive patient and employee data, including medical records, prescriptions, and healthcare provider information.

⚙️Technical Details
Affected Systems
SalesforceSnowflake
Attack Vectors
Voice-phishing
💥Impact Assessment
Severity: Critical
🛡️Recommended Actions
1Implement robust phishing detection and response measures.
2Conduct thorough security audits of Salesforce and Snowflake instances.
3Monitor accounts for suspicious activity, especially those related to healthcare services.

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