September 18, 2025
What is SSL?
Secure Sockets Layer (SSL) is an encryption security protocol that improves privacy, authentication, and integrity for data communications sent over the internet. It evolved into Transport Layer Security (TLS).
DigiCert Team
Articles by DigiCert Team
September 17, 2025
Broken Authentication in APIs
Check-in automation abuse uses bots to manipulate airline check-in systems, reserving seats or gaining unfair advantages, disrupting operations, and causing delays.
September 9, 2025
Best Practices for Application Layer Security
Application layer security protects applications and application programming interfaces (APIs) by adding protection at the point where users communicate and access services.
August 20, 2025
What are Generic Top Level Domains and Why Do They Matter?
Domain names are a cornerstone of a business’s digital identity, and premium domains are often treated as strategic investments. But what about the part after the dot? The choice of generic top-level domain (gTLD) plays a bigger role than many realize.
August 20, 2025
Mitigating DNS-Based Attack Risk in the Education Sector
Attackers target the education sector’s data. Understanding how DNS configurations can protect against Distributed Denial of Service (DDoS) attacks can improve security and service availability.
August 15, 2025
Why Securing OSI Layer 3 is Critical
The network layer, OSI layer 3, focuses on low-level networking considerations like the path data follows when transmitted. Often called packet routing, this layer chooses the best route when connecting different networks to ensure efficient data transfers.
August 6, 2025
Understanding OSI Layer 7 Security: Challenges and Solutions
Layer 7, the application layer of the OSI model, ensures that applications and the network can communicate effectively by translating the transmitted data into a standard protocol.
July 25, 2025
Smart DNS: 5 Innovative Industry Trends
Explore innovative trends shaping the future of smart DNS technology and infrastructure.
July 21, 2025
The OSI Model – Why Protecting the Layers is Critical
The Open Systems Intercommunication (OSI) model identifies seven layers for network communications. By understanding these layers, organizations can implement the appropriate security measures.
July 17, 2025
Vercara’s Open-Source Intelligence (OSINT) Report – July 4 – July 10, 2025
This week’s OSINT report: Batavia Windows Spyware, Gold Melody IAB Exploits, DoNot APT Expands, LoptikMod Malware, RondoDox Botnet
July 16, 2025
Trust Anchor In DNS: What It Is and Why It Matters
DNS analysis reveals a 26.9% spike in trust anchor lookups—highlighting rising DNSSEC adoption to combat hijacking, spoofing, and tampering. Learn why trust anchors matter.
July 7, 2025
Understanding DNS over HTTPS (DoH): A Comprehensive Guide
Understand how DNS over HTTPS affects privacy, visibility, and DNS operations.