Vivek Raj

Security Content Lead at SecureW2
414 articles published
26 topics covered
About
Vivek Raj has over 8 years of experience in cybersecurity, enterprise SaaS, and technical product marketing, with deep expertise in PKI, RADIUS, 802.1X, and Zero Trust security frameworks. At SecureW2, he works closely with Content, Product, and Marketing teams to translate complex security challenges into practical guidance for customers and IT leaders. Vivek specializes in making advanced identity and network security concepts clear, actionable, and business-focused. He also holds the IBM AI Product Manager Professional Certificate. Besides writing, you can find him watching (or even playing) soccer, tennis, or his favourite cricket.
"The biggest risk in enterprise networking isn't a zero-day exploit — it's a trusted credential that should have been revoked three months ago. Most breaches don't break in. They log in."
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Vivek

This article will explain how the ChromeOS certificate provisioning solution works, and how it provides greater security than the legacy approach.
Integrations June 26, 2026
Google SCEP Deprecation 2026: What ChromeOS Admins Need to Know About Certificate Provisioning

Learn how to migrate from Google's legacy SCEP API to the ChromeOS Certificate Provisioning API before the 2026 deadline.

A plain-language breakdown of how distributed denial of service attacks are built, launched, and what your network can do to reduce exposure.
Risks & Threats June 11, 2026
How Does a DDoS Attack Work? Attack Types & Prevention

Learn how DDoS attacks work, the attack types used, and how to protect networks from disruption.

Secure Starlink-powered airplane Wi-Fi with 802.1X authentication and Cloud RADIUS.
Wi-Fi & Wired Security June 5, 2026
Securing Starlink Airplane Wi-Fi with 802.1X and Cloud RADIUS

Airline Wi-Fi has undergone a profound transformation in modern flight. What was once considered an exclusive, premium amenity offered at an additional cost is now a baseline passenger expectation and...

A plain-language guide to how encryption algorithms work, the major types IT teams rely on, and how they protect everything from stored files to enterprise Wi-Fi networks.
Protocols & Standards June 3, 2026
Encryption Algorithms Explained: Types and Standards

Protecting data at rest, in transit, and in use all comes down to one question: which encryption algorithm is doing the work, and how strong is it? Choosing the wrong...

A practitioner's reference covering every layer of MCP server security, from OAuth 2.1 and transport encryption to tool poisoning prevention, access control, and production monitoring.
PKI/Certificates June 2, 2026
MCP Server Security: The Complete Guide to Authentication, Authorization, and Hardening

AI teams are deploying new capabilities at a rapid speed, and many security operations are struggling to keep up. In many cases, AI developers now ship MCP servers into production...

A practitioner-level briefing on homomorphic encryption — covering how it works, the three types, enterprise use cases, current limitations, and how it connects to PKI readiness and post-quantum cryptography.
PKI/Certificates May 27, 2026
What Is Homomorphic Encryption and What Is It Used For?

Homomorphic encryption is a new, advanced form of cryptography that closes an attack window left open by other kinds of digital security. Encryption, from TLS to AES, has protected data...

A guide to SSH key pair authentication — how SSH keys work, what SSH key management looks like at enterprise scale, and why certificate-based SSH authentication is replacing static keys at large organizations.
Protocols & Standards May 27, 2026
What Are SSH Keys and Why SSH Certificates Are Better

SSH keys are the dominant method for authenticating administrative access to servers, cloud infrastructure, and network devices. While most IT teams use them, few have a complete picture of where...

SCEP and EST get certificates in the door, but neither protocol can guarantee that the certificates flowing out belong to the devices you think they do. Dynamic PKI layers attestation, segmentation, and audit telemetry on top of any enrollment protocol so a single weak link never compromises the CA.
PKI/Certificates May 26, 2026
Why SCEP and EST Are Not Enough: Layering Defenses Into Your Enterprise PKI Enrollment Architecture

A compromised enrollment endpoint is a quiet disaster. The attacker walks away with a valid certificate signed by your CA, indistinguishable from any legitimate device cert. Choosing an enrollment protocol...

A technical breakdown of domain validated certificates, explaining what the validation process proves, how DV compares to OV and EV, and why enterprise network authentication requires something different entirely.
PKI/Certificates May 22, 2026
What Is a Domain Validated (DV) Certificate? DV vs OV vs EV Explained

Most organizations run into domain validated DV certificates the first time they put a website on HTTPS. They are cheap and fast, often issuing in minutes. But DV certificates are...