Approximately 4.5% of outbound healthcare email connections were delivered to servers with expired or self-signed certificates.
Approximately 4.5% of outbound healthcare email connections were delivered to servers with expired or self-signed certificates. — This cybersecurity statistic was published by Paubox in January 2026. It covers topics including Email Security, Healthcare. The original data appears in Healthcare's email security certificate crisis. For the full methodology and detailed findings, refer to the original report.
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What does this statistic say?
Approximately 4.5% of outbound healthcare email connections were delivered to servers with expired or self-signed certificates. This data was published by Paubox and covers Email Security, Healthcare.
Where does this data come from?
This statistic comes from Healthcare's email security certificate crisis, published by Paubox on January 13, 2026. You can view the original report at https://www.paubox.com/resources/healthcares-email-security-certificate-crisis.
What cybersecurity topics does this cover?
This statistic relates to Email Security, Healthcare. Browse more statistics on Email Security or from Paubox.