This white paper highlights healthcare’s vulnerability to email-driven threats, especially supply chain fraud. While ransomware threatens patient safety, business email compromise and invoice fraud cause the highest financial losses. With 89% of attacks starting via email, threat actors target financial data over patient data, exploiting suppliers and third-party interactions. Surveys show nearly all healthcare organizations face email-based threats, with risks amplified by limited IT budgets and resource constraints. Experts stress a layered defense: authentication controls (DMARC, DKIM, SPF), user education, isolation technology, and DLP. Ultimately, cybersecurity is tied to patient safety—weak email defenses can halt critical care.

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