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Why 47-Day TLS and SSL certificate renewal cycles alarm CIOs

The era of short-lived Transport Layer Security and Secure Sockets Layer certificates is redefining enterprise resilience. By 2029, certificate lifespans are expected to drop to 47 days - a shift that transforms certificate renewal from a periodic task into a continuous operational function. For many CIOs, this raises critical questions around outage exposure, automation readiness and oversight accountability.
January 2, 2026By CIO.Inc