Amanda Tucker, Author at SecureW2

Amanda Tucker

57 articles published

14 topics covered

About

Amanda Tucker covers network security at SecureW2, where she has spent 5 years writing about PKI, RADIUS authentication, 802.1X, continuous trust, and device onboarding. She translates complex certificate and authentication concepts into practical guidance for IT and security teams. Amanda brings 7 years of professional writing experience and a background in research and analysis.

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Fifteen G2 badges span four categories in the Fall 2026 reports

SecureW2 Tech September 25, 2026

SecureW2 Reviews 2026: 15 G2 Badges Won in the Fall 2026 Reports

G2 released its Fall 2026 reports and SecureW2 earned fifteen badges, one more than the fourteen from Spring 2026. For anyone tracking SecureW2 reviews in 2026, the Fall report set...

A single stolen Kerberos ticket can compromise trust across an entire Active Directory (AD) domain — an attack path that password-focused defenses completely miss.

Risks & Threats September 23, 2026

What Is a Pass-the-Ticket Attack? Kerberos Ticket Theft Explained

Pass-the-ticket attacks bypass most traditional, credential-based defenses because they don’t rely on stolen passwords. Instead, the attacker uses a Kerberos ticket taken directly from a compromised machine’s memory. With this...

With CDP, an unauthenticated switch port can give attackers access to your network inventory before they run a single exploit.

Risks & Threats September 22, 2026

What Is a CDP Attack? How Cisco Discovery Protocol Gets Exploited

When you plug an unmanaged laptop into an open network jack, Cisco Discovery Protocol (CDP) helps determine what it is connected to. It doesn’t require a login, credentials, or even...

A client needed to enroll and secure headless Linux kiosks automatically. A custom solution shows how best to do it.

PKI/Certificates September 22, 2026

Best Practices for IoT Device TPM Attestation: Lessons From a Custom Linux Deployment

The increasing prevalence of Internet of Things (IoT) devices means some enterprise networks may have hundreds or even thousands of headless devices connected at any given time. Their sheer number...

Discover how combining PKI certificate-based identity with IEC 62443 zone-and-conduit network segmentation protects critical industrial operational technology (OT) systems.

PKI/Certificates September 15, 2026

Securing OT Environments With PKI and Network Segmentation

Operational technology (OT) used to sit far away from the internet, tucked inside factories and utility plants where nobody worried much about hackers. That world is gone. Industrial systems are...

SecureW2 pairs with Okta to deliver passwordless, certificate-based access to Wi-Fi, VPN, and apps. Okta stays the identity source; SecureW2 issues the certificates.

Integrations September 14, 2026

How SecureW2 Works With Okta to Strengthen Your Security Defenses

As of January 2025, Okta FastPass adoption nearly doubled year over year, climbing from 6.7% to 13.3%, and for good reasons: Organizations are recognizing that passwords alone cannot reliably defend...

Renewing a Sectigo RADIUS server certificate can silently break 802.1X for part of your fleet. Here's why it happens and how to fix it.

PKI/Certificates September 14, 2026

USERTrust to Sectigo R46: Fixing Server Certificate Validation Failures on Your RADIUS Server

You renewed your RADIUS server certificate, and now a subset of devices running certain operating systems can’t join the network. Nothing changed on the Wi-Fi, so why aren’t the devices...

SCEP certificate deployment breaks at predictable points in the enrollment chain, and most failures can be diagnosed without opening a support ticket.

Integrations September 6, 2026

Intune SCEP Not Working: A Diagnostic Guide for Certificate Deployment Failures

The failure can originate at any point in a seven-step communication chain: from the moment Intune pushes the profile, through the device’s request to NDES, through certificate issuance by the...

IETF AIMS is an early IETF draft framework for giving AI agents verifiable identity. SecureW2 Dynamic PKI issues the certificate-based identities models like AIMS depend on.

Protocols & Standards September 1, 2026

What Is IETF AIMS? AI Agent Identification With SPIFFE and OAuth 2.0

AI agents are evolving quickly, and modern security standards haven’t kept pace. In lieu of new protocols and regulatory policies, deployers of agentic AI have a responsibility to manage their...