Topic: certificate validity

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  • 1.1.1.1 DNS Mis-issued Certificates Threaten Internet Security
    September 4, 2025
    60%

    1.1.1.1 DNS Mis-issued Certificates Threaten Internet Security

    Three mis-issued TLS certificates for the DNS resolver 1.1.1.1 were discovered, posing a serious security risk to encrypted DNS queries and potentially other Cloudflare services. The certificates, issued by a Microsoft-trusted authority, could have allowed interception of encrypted traffic on Win...

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