Email security best practices to protect your business in 2025
Email remains a critical business tool—and one of the top targets for cyberattacks. In 2025, sophisticated threats like phishing, BEC, and ransomware demand a proactive, layered email security strategy. This article outlines 10 essential best practices, from S/MIME encryption to Verified Mark Certificates (VMCs), and explains how Sectigo helps businesses ... Read More
From Tokyo with trust: Sectigo’s POV on the March 2025 CA/Browser Forum Face to Face
Sectigo joined industry leaders in Tokyo for the March 2025 CA/Browser Forum Face to Face meeting, where experts discussed major updates shaping the future of digital trust. Key topics included the 47-day certificate lifespan ballot, Open MPIC implementation, and legal challenges like temporary restraining orders. Sectigo’s contributions reflect its role ... Read More
Reasons to replace Microsoft Certificate Authority (AD CS) and what to use instead
Microsoft AD CS has long served enterprises well, but it no longer meets the needs of today’s agile, cloud-first infrastructures. From security and compliance limitations to lack of automation and scalability, organizations are turning to modern alternatives like automated Certificate Lifecycle Management (CLM) solutions to improve visibility, reduce risk, and ... Read More
What is Port 443 and why it’s needed for secure web browsing
Port 443 is the default gateway for HTTPS, enabling encrypted communication between browsers and web servers using SSL/TLS protocols. This article explains the role of Port 443 in secure data transmission, the differences between HTTPS and port 443, and how SSL certificates work over this port. Learn how it supports ... Read More
What are Verified Mark Certificates & how do they help authenticate emails?
Digital certificates are a vital part of securing online communications, including email. While they primarily safeguard sensitive data, they can also enhance trust and brand recognition. Verified mark certificates (VMCs) are a specialized type of digital certificate used to authenticate emails by displaying a trademarked logo next to the sender’s ... Read More
Streamlining certificate management: Sectigo’s Certificate as a Service (CaaS) for partners
The complexities of managing SSL/TLS certificates - especially with industry shifts like shorter certificate lifecycles - place significant strain on the resources of resellers, web hosts, domain registrars, and Managed Service Providers (MSPs), introducing operational risks and increasing management challenges ... Read More
Key predictions for 2025 part II: Preparing for the quantum leap
As 2025 unfolds, organizations must adapt to transformative shifts in technology, security, and compliance. Key trends include the decline of legacy technology stacks in preparation for post-quantum cryptography, the reduction of TLS certificate lifespans, and stricter revocation policies. These changes demand proactive strategies, automation, and modernization to maintain security and ... Read More
Key trends for 2025 Part I: Postquantum Cryptography
In 2025, postquantum cryptography (PQC) will drive major transformations in the PKI space, with announcements of PQC capabilities, adoption of quantum-safe Hardware Security Modules (HSMs), and standardized PQC algorithms in private PKI. Organizations must adapt early to safeguard sensitive data and stay ahead of emerging quantum threats ... Read More
The clock is ticking: NIST’s bold move towards Post-Quantum Cryptography
NIST is driving the global transition to post-quantum cryptography, setting a 2030 deadline to deprecate RSA-2048 and ECC-256 algorithms and banning them entirely by 2035. This shift addresses quantum computing's potential to compromise current encryption, emphasizing the need for quantum-resistant solutions to combat risks like "harvest now, decrypt later" attacks ... Read More
How businesses can prepare for the 47-day certificate lifecycle: What it means and recent updates
Apple’s proposal to shorten SSL/TLS certificate lifespans to 47 days by 2028 emphasizes enhanced security and automation. Shorter cycles reduce vulnerabilities, encourage automated certificate management, and push businesses to adopt efficient tools like ACME protocols. While the proposal isn’t yet mandatory, businesses must prepare by modernizing infrastructure, automating renewal processes, ... Read More
