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What is SSL Certificate Expiration? | UpGuard

ID: 15d078cd-ec07-57f6-9788-6e00564ad6d4

STIX ID: report--15d078cd-ec07-57f6-9788-6e00564ad6d4

Feed Name: UpGuard Blog

Date Published: 2025-01-10

Date Updated: 2026-05-01

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This guide explains the role of SSL/TLS certificates in securing web traffic, details certificate types and validation levels, outlines risks posed by expired or misconfigured certificates (such as service outages and man‑in‑the‑middle attacks), and provides practical steps for renewal and certificate lifecycle management; it also highlights UpGuard’s Breach Risk monitoring for detecting upcoming expirations and related risks.

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