By Johannes B. Ullrich, Ph.D. MacOS 11 Security Changes
https://www.sentinelone.com/blog/macos-big-sur-9-big-surprises-for-enterprise-security/
Certificate Lifetime Limited to 1 Year Starting September
https://chromium.googlesource.com/chromium/src/+/ae4d6809912f8171b23f6aa43c6a4e8e627de784
https://support.apple.com/en-us/HT211025
https://lists.cabforum.org/pipermail/servercert-wg/2020-June/002000.html
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