The push for shorter TLS certificate lifespans has been building for years. It started with Google’s internal push toward 90-day certificates, which gained traction inside the industry before resistance from enterprise customers slowed things down. Then Apple proposed 47-day certificates, which reignited the debate and ultimately forced the CA/Browser Forum to set a formal schedule. The timeline that came out of those discussions moves certificate validity from one year down to 200 days, then 100, … More
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