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Let’s Encrypt Active Certificates were Mis-Issued - Revocation Begins Tomorrow

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Let’s Encrypt active certificates were mis-issued. Revocation of the affected certificates and will begin at 16:00 UTC on 28 January 2022.

For a complete description of the vulnerabilities and effected systems, visit 2022.01.25 Issue with TLS-ALPN-01 Validation Method.

IT Security