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Security Terminology

Easily understandable explanations of common industry terms.

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    Why Sectigo is the best Certificate Authority (CA) for Security

    Blog Post from Sectigo

    Blog Post May 16, 2025

    Security starts with trust. Choosing a reputable Certificate Authority is key to ensuring safe, compliant communication across your systems.

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    Root Causes - A PKI & Security Podcast

    EPISODE 495

    Broadcast Date:
    May 16, 2025

    7 minutes

    Podcast May 16, 2025

    Root Causes 495: Trust Models and Post Quantum Cryptography

    We build on our Trust Models discussion to explore how organizations can structure their PKI for the transition to post quantum cryptography (PQC).

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    Sectigo, Altron Security announce channel partnership to bolster CLM

    News Article from Sectigo

    News Article May 14, 2025

    Sectigo, a digital certificate and automated certificate lifecycle management (CLM) company teamed with holistic identity and digital security solutions provider Altron Security. This collaboration allows Altron to leverage Sectigo’s cloud-native CLM solutions to strengthen its digital certificate management offering, helping mitigate outage risk, improve security and future-proof businesses.

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    Quantum computing timeline & when it will be available

    Blog Post from Sectigo

    Blog Post May 14, 2025

    Quantum computing is coming. Learn its timeline, real-world impact, and how to prepare for a quantum-secure future.

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    Sectigo’s Cassie Hull recognized in CRN’s 2025 Women of the Channel list

    Press Release from Sectigo

    Press Release May 14, 2025

    SCOTTSDALE, Ariz., — May 14, 2025 — Sectigo, a global leader in digital certificates and automated Certificate Lifecycle Management (CLM), today announced that Cassie Hull, Regional Channel Manager, has been named to the esteemed CRN Women of the Channel list for 2025. This annual list recognizes women executives across the IT channel whose unique expertise and vision are instrumental in driving success and innovation within their organizations and the channel at large.

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    60 minutes

    Webinar May 14, 2025

    Countdown to 47 days: Step-by-step plan to avoid certificate chaos

    The countdown has begun—certificate lifespans are shrinking to just 47 days, and organizations that aren't prepared risk costly outages, security gaps, and operational chaos. Join our expert-led webinar, The Countdown to 47 Days, to learn exactly what you need to do—and when—to stay ahead of the shift. We'll walk you through a step-by-step timeline from now to March 2026, showing you how to inventory your certificates, evaluate automation solutions, compare vendors, and implement with confidence. Whether you're just getting started or already behind, this session will help you build a practical, deadline-ready action plan.

    • What’s happening with certificate lifespans and why 47 days changes everything
    • August 2025: Know your inventory
    • Fall 2025: Evaluate your automation needs
    • Winter 2025: Comparing vendors and plan implementation
    • Spring 2026: Testing, training, and transitioning
    • March 2026 and beyond: The first step down and staying ahead of the curve

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    Root Causes - A PKI & Security Podcast

    EPISODE 494

    Broadcast Date:
    May 13, 2025

    21 minutes

    Podcast May 13, 2025

    Root Causes 494: Introduction to Trust Models

    We explain the basics of trust models and compare various models including WebPKI, private CA, and consortium models.

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    Sectigo and Altron Security announce strategic channel partnership to enhance Certificate Lifecycle Management in South Africa

    Press Release from Sectigo

    Press Release May 13, 2025

    SCOTTSDALE, Ariz., – May 13, 2025 – Sectigo, a global leader in digital certificates and automated Certificate Lifecycle Management (CLM), and Altron Security, a leading provider of holistic identity and digital security solutions in South Africa, today announced a strategic channel partnership. This collaboration enables Altron Security to leverage Sectigo's cloud-native CLM solutions to further strengthen its digital certificate management offering for customers, ultimately mitigating the risk of business outages due to mismanaged certificates, improving overall security and helping future proof businesses for the quantum era.

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    The 47-day certificate countdown

    News Article from Sectigo

    News Article May 12, 2025

    The CA/Browser Forum recently took an official vote to amend the TLS Baseline Requirements, bringing certificate lifespans down to 47 days by 2029 through a series of gradual changes. This comes largely in response to a proposal from Apple, as well as a previous, similar proposal from Google to lower the lifespan to 90 days. The push from major companies is effective at spurring monumental change like this revolutionary policy change. Certificate lifespan is a crucial factor in fighting key compromise incidents, fixing mistaken certificates, ensuring consistency in active domain certificate ownership, and more. The upcoming change is a huge, historic step toward securing the internet and its encryption.

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    The 47-day update: an expected evolution in digital security

    Blog Post from Sectigo

    Blog Post May 12, 2025

    The CA/B Forum’s move to 47-day certificate lifespans marks a natural step in the ongoing shift toward stronger, more agile digital security.

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    Rethinking SSL Sales & Management for certificate scalable simplicity

    Blog Post from Sectigo

    Blog Post May 08, 2025

    Sectigo CaaS transforms SSL from manual chaos to scalable simplicity with automation, domain subscriptions, and predictable partner revenue.

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    Root Causes - A PKI & Security Podcast

    EPISODE 493

    Broadcast Date:
    May 8, 2025

    12 minutes

    Podcast May 08, 2025

    Root Causes 493: Disentangling Public & Private Certificate Use Cases

    Changing root store requirements mean CAs must separate their root hierarchies for different certificate types. We explain why enterprises should consider private CA for some use cases.