Pioneering AI-DrivenCybersecurity
With two decades of cybersecurity expertise, I architect intelligent security solutions that bridge cutting-edge AI technology with practical implementation. Author of 5 books translated into multiple languages, trusted by security professionals worldwide.

About Me
Blending two decades of cybersecurity mastery with groundbreaking AI innovation
AI Security Architect & Cyber Resilience Leader
My journey began over 20 years ago as a passionate penetration tester, driven by curiosity to understand how systems break and how to make them stronger.
Today, I blend deep technical expertise with forward-thinking strategy, designing AI-driven security architectures and pioneering prompt engineering frameworks that empower organizations to stay ahead of evolving threats.
As a global leader, I've built and guided world-class security teams, developed innovative approaches to protect Fortune 500 enterprises, and continuously shared my knowledge to uplift the entire security community.
Global Cyber Olympics Finalist
Led team to finals in Atlanta, USA - Asian Champions in international cybersecurity competition
Bestselling Author
5 published books translated into multiple languages (Polish, Chinese) with positive reviews
International Recognition
Featured in TechTarget, Help Net Security, EuroNews for cybersecurity expertise
Industry Thought Leader
Regular contributor to LinkedIn with articles on AI security and cyber threats
Published Books
Authoritative guides trusted by cybersecurity professionals worldwide

Mastering Cyber Defense Symphony
Building Indomitable Defense (2024)

Mastering Kali Linux for Advanced Penetration Testing
Fourth Edition (2022)

Mastering Kali Linux
Fourth Edition - Polish (2023)

Mastering Kali Linux for Advanced Penetration Testing
Third Edition (2019)

Mastering Kali Linux
Third Edition - Chinese (2020)

Mastering Kali Linux for Advanced Penetration Testing
Second Edition (2017)

Mastering Kali Linux
Second Edition - Polish (2018)

Mobile Application Penetration Testing
Complete Guide (2016)
Media & Content
Expert insights, interviews, and thought leadership in cybersecurity
Featured Videos

Mastering Kali Linux for Advanced Penetration Testing – Fourth Edition
Deep dive into advanced penetration testing techniques with Fourth Edition coverage

Penetration Testing with Vijay Kumar Velu
Expert insights on penetration testing methodologies and best practices

Cyber Security Manager - KPMG Global Services
Professional insights on cybersecurity management and leadership
Articles & Insights
The Good, The Bad, and The Manipulated - Adversarial AI
Exploring the dark side of AI and security implications
Operations APT-Ouch!
Deep dive into Advanced Persistent Threats and defensive strategies
Friday Fun - Scammer!
Real-world case study of cyber scam analysis
Demystify One of the Digital Cyber Fraud!
Understanding and preventing digital fraud
Cyber Security - Learn, UnLearn and Re-learn
The importance of continuous learning in cybersecurity
Mobile Device Forensics at a glance
Comprehensive overview of mobile device forensics techniques
200 OK on Audience
Article from Pentest Extra 2013 Edition (Archive)
Historical article - link no longer available
Interviews & Media Coverage
How to configure and customize Kali Linux
Expert guide on Kali Linux customization and configuration
Video Review: Mastering Kali Linux for Advanced Penetration Testing
In-depth review of penetration testing methodologies
5 Kali Linux Books Every Security Professional Should Read
Industry recognition for essential Kali Linux resources
UK Fraud Values Double - Cybersecurity Expert Commentary
Expert commentary on rising cyber fraud trends
My Passion
Two decades of breaking and fixing things, driven by a passion to make the digital world safer for everyone
Problem Solver at Heart
For over 20 years, I've been driven by one core passion: understanding how things break so we can build them stronger. What began as a curiosity for hacking and uncovering system flaws has evolved into a mission to make the digital world safer and more resilient.
My true motivation isn't about selling services — it's about solving meaningful problems. Whether helping a small business uncover hidden risks or guiding a global organization through AI adoption, my focus is always on creating real impact.
Through books, articles, and countless conversations, I share what I’ve learned from decades of breaking, building, and improving systems. Because by understanding failure, we pave the way for lasting success.
AI Security Architecture
Helping organizations understand how AI can enhance security without creating new vulnerabilities
Cybersecurity Guidance
Sharing 20 years of experience in breaking and fixing systems to help others build better defenses
Prompt Engineering
Exploring how intelligent prompts can transform security operations and decision-making
Knowledge Sharing
Passionate about teaching and mentoring others to create a safer digital world for everyone
Beyond the Code
A glimpse into the values and passions that drive my work and life
Giving Back Through Education
I believe education should be accessible to everyone. That's why I donate the royalties from my books to support underprivileged children who cannot afford education. Every book sold helps create opportunities for young minds to learn and grow.
Mindfulness & Balance
In the fast-paced world of cybersecurity, I find balance through yoga and meditation. These practices help me maintain clarity and focus, bringing a calm, centered approach to solving complex security challenges.
Building Community
Beyond technical expertise, I'm passionate about building a community of security professionals who share knowledge freely. Whether through mentoring, writing, or speaking, I believe in lifting others as we climb.
My Philosophy
"The best way to secure something is to first understand how it can be broken. Twenty years of breaking and fixing has taught me that security isn't about perfect systems - it's about understanding failure and building resilience."
Vijay Kumar Velu
Creative Problem Solver
Let's Make the Digital World Safer
Having a security challenge? Want to discuss AI and cybersecurity? I'm always happy to share knowledge and help solve problems.
Get In Touch
How I Can Support You
AI Security Strategy
Guiding you on integrating AI securely and effectively into your organization
Security Architecture & Advisory
Designing resilient, future-ready security frameworks grounded in two decades of expertise
Prompt Engineering & AI Optimization
Enhancing AI interactions and workflows for better security outcomes
Keynote Speaking & Workshops
Inspiring teams and audiences globally through talks, masterclasses, and hands-on sessions
Collaborative Problem Solving
Partnering with you to address complex security and technology challenges