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Internal certificate outages caused by lifecycle management failures, not cryptography

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Most outages from expired internal certificates stem from management failures, not cryptographic issues. Internal Public Key Infrastructure (PKI) operates outside public certificate validity rules, allowing organizations to set their own policies. This flexibility often leads to inadequate inventories, unclear ownership, and missed renewals. Short certificate lifetimes without automation increase outage risks. Experts recommend creating inventories, assigning owners, monitoring expirations, and automating renewals.

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