Hi, I'm Barry 👋

I am a CyberSecurity Evangelist, has more than 20 years of experience on cybersecurity, networking architecture, design, and implementation. With my vendor, public sector and SP experience and in-depth understanding of technologies, regulations and processes, I'm currently working for Cisco systems as a Cybersecurity Solutions Architect. I'm also an inventor and Cisco Live distinguished speaker. Been holding 2 CCIE certifications for 20+ years, and has many other designations from vendors in the cybersecurity space as well as project management and DevNet500.

Journey to AI Security Mastery

1/26/2026

Explore multiple learning paths through AI security, from fundamentals to advanced specialization in agent security or cloud infrastructure.

Cisco AI Security Labs Collection

1/12/2026

Hands-on labs for AI Security and Defense - Learn LLM security, MCP protocol, A2A multi-agent system security, and multi-cloud defense

AI Defense lab

AI • Cisco • Security • AI Defense

MCP Security lab

AI • Cisco • Security • MCP

A2A Protocol Security lab

AI • Cisco • Security • A2A • Multi-Agent

ISE automation hands-on

ISE • Cisco • Security • Identity

Application Security hands-on

Application • Security • Workload • Panoptica

Panoptica lab

Panoptica • Cloud • Application • Security • CNAPP

APIClarity - Wireshark for APIs

APIClarity • API • Security • Application

KubeClarity - Software Bill of Material hands-on

Kubeclarity • SBOM • Software Bill of Material • Application