# Whitepapers Explore our white paper selection to find detailed explanations of Sectigo products and technology. ### Filter by Product - SSL Certificates - Certificate Manager - Enterprise PKI/Private PKI - IoT Identity Manager - S/MIME Email Encryption - Web Security Platform - Code Signing - Document Signing - SSL / TLS - How-to guides - Certificate Lifecycle Management (CLM) - Automation - Private PKI - Certificates - IoT - Company news - Partners - Post-quantum cryptography (PQC) - Extended Validation (EV) - Secure Email (S/MIME) - DevOps - Code Signing - Compliance - Web Security Platform - Browsers - Encryption - Research - Awards - Trusted roots - 47-day - Gestion du cycle de vie des certificats (CLM) - Gestione del ciclo di vita del certificato (CLM) - Gestión del ciclo de vida de los certificados (CLM) - Lebenszyklus-Management von Zertifikaten (CLM) - Root Causes - Document Signing - User authentication - CA/Browser Forum - Remote access - Backup and recovery - ACME - Anleitungen - Guide pratiche - Guides pratiques - Guías prácticas - Microsoft ADCS - Passwordless Authentication - Certificate Authority (CA) - Domain Validation (DV) - Identity and Access Management (IAM) - Automatisation - Automatisierung - Automatizacion - Automazione - Cloud security - Device identity - Malware - Zero Trust - Analysts - Criptografía post-cuántica - Crittografia post-quantistica - Cryptographie post-quantique - Deepfake - Integration - PKI privada - PKI privée - Post-Quanten-Kryptographie - 47-Tage - 47-dias - 47-giorni - 47-jours - Business continuity - Certificate Transparency (CT) - Certificate discovery - Crypto agility - Cryptography - HackerGuardian - MFA - Mobile - Passwords - Public cloud - Revocation - S/MIME - SSH keys - Verified Mark Certificate (VMC) - Website attacks - Agilità crittografica - Agilité cryptographique - Autoridad de certificación (CA) - Autorità di certificazione - Autorité de certification (CA) - CLM - Certificados - Certificati - Certificats - Criptoagilidad - Domain Control Validation (DCV) - Embedded firewall - Entrust - Firma de documentos - Firma dei documenti - Firma del codice - Krypto-Agilität - Kryptographie - MSPs - PKI - PQC - Racines de confiances - Radici affidabili - Raíces confiables - Signature de code - Signature de document - Unterzeichnung von Dokumenten - Vertrauenswürdige Wurzeln - Zertifikate - Zertifizierungsstelle (CA) - eIDAS ### Showing 1 to 12 of 55 whitepapers ## [Infographic: Certificate Outages](/content/resource-library/infographic-certificate-outages/index.html) January 6, 2026 PDF Download Around 72% of companies have experienced a certificate-related outage in the past two years. Certificate outages happen when digital certificates expire or become invalid, causing security and operational issues. ## [Modernizing your digital certificate operations to achieve crypto agility: Where to start and how to move forward](/content/resource-library/47-day-crypto-agility/index.html) December 30, 2025 PDF Download By Sectigo Team Prepare for 47-day certificate lifespans and quantum threats. Learn why automation and crypto agility are critical for future-proof security. ## [Gartner® Report: Buyers’ Guide for PKI and Certificate Life Cycle Management](/content/resource-library/gartner-buyers-guide-pki-certificate-lifecycle-management/index.html) October 1, 2025 PKI is widely used across organizations, yet deployments are challenged by trust management complexities, operational overhead, and security incidents. ## [2025 State of Crypto Agility Report](/content/resource-library/2025-state-of-crypto-agility-report/index.html) July 30, 2025 PDF Download By Sectigo Team Learn more about today’s trends in preparing for quantum computing and 47-day certificate lifespans. ## [Choosing a reputable Certificate Authority (CA)](/content/resource-library/choosing-reputable-certificate-authority-ca/index.html) June 18, 2025 PDF Download By Sectigo Team Learn how to choose a trusted CA for security, uptime, and trust. Discover why Sectigo leads in compliance, automation, and innovation. ## [The business case for Internal PKI: A strategic framework](/content/resource-library/business-case-for-internal-pki/index.html) May 27, 2025 PDF Download By Sectigo Team Private PKI gives enterprises full control of internal certs, securing systems, devices & apps across hybrid and cloud environments. ## [eBook: An introduction to private PKI](/content/resource-library/introduction-to-private-pki-guide/index.html) February 3, 2025 PDF Download Discover Private PKI, its benefits, use cases, and how to implement it securely in your organization. ## [Infographic - 2024 PKI Industry Highlights: Key Updates & Insights](/content/resource-library/2024-pki-industry-highlights/index.html) December 9, 2024 PDF Download Explore 2024 PKI trends: TLS validity shifts, quantum-safe cryptography, ROI insights, outages, and award-winning CLM. ## [eBook: The 47-Day Survival Guide](/content/resource-library/ebook-the-47-day-survival-guide/index.html) October 24, 2024 PDF Download SSL/TLS certificate lifespans have shrunk from three years to one with browsers now pushing for 47-day terms. Automate lifecycle management to avoid risks. ## [Forrester TEI Study](/content/resource-library/forrester-tei-study/index.html) August 7, 2024 PDF Download Sectigo Certificate Manager automates certificate management, reducing costs and outages. Forrester study shows $3.39M net benefit & 243% ROI over 3 years. ## [eBook: Certificate Lifecycle Management Maturity](/content/resource-library/ebook-clm-maturity/index.html) July 15, 2024 PDF Download With rising certificate usage and shorter lifespans, security teams must manage CLM to meet regulations, tackle cyber threats, and prepare for quantum. ## [eBook: Embracing Quantum Readiness](/content/resource-library/ebook-embracing-quantum-readiness/index.html) June 12, 2024 PDF Download Protect today’s encrypted data from tomorrow’s threats. Prevent quantum breaches by creating your post-quantum cryptography (PQC) strategy with Sectigo.