Message from the Founder

Our commitment to your success

Founder – Abrar Jahin

Let’s be brutally honest for a moment. AI is changing everything. It’s erasing career paths overnight and leaving professionals with two choices: Adapt or Expire. At the same time you’re stuck in the endless Tutorial Loop jumping from one outdated video to the next, piecing together fragments of information with no map, no mentor, and no measurable progress. Endless content, but no true guide. That’s the Trial and Error loop that keeps you stagnant.

We break the cycle. We give you what no tutorial can, a structured, Mentor-led journey with Live interactive training & real industry insight.

This isn’t just learning, it’s a career transformation, built for the AI era.


Your future won’t wait. Secure your spot, before the world moves on without you.

Abrar Jahin

Founder,Tensor Security Academy

World-Class Expertise

Meet Our Senior Consultant

Learn from legendary cybersecurity experts who have defended nations and secured critical infrastructure

Ret. Col. Nestor Lana da Silva
25+ Years
Experience
Brazil
Country Director
Military
Veteran
National
Defense

Ret. Col. Nestor Lana da Silva

Former Head of IT, Brazilian Army Cyber Defense Command | Cybersecurity & National Defense Specialist

Senior Consultant - Cybersecurity & Defense Operations | Country Director, TSA Brazil

Retired Brazilian Army Colonel with 30+ years of distinguished service specializing in national cyber defense, critical infrastructure protection, and military cyber operations. Former Head of IT at Brazil's Cyber Defense Command, bringing elite military-grade cybersecurity expertise to protect organizations against sophisticated digital threats.

Key Highlights:

Led IT Division at Brazilian Army's Cyber Defense Command protecting critical national infrastructure (2022-2024)
Participated in Locked Shields - the world's largest international cyber defense exercise
Key technical advisor during Brazil's Federal Intervention in Rio de Janeiro (2017-2019)
TSA Newsroom

Latest News

Updates, announcements, and community highlights

TSA Hosts Live Talk with Former Head of Brazilian Army Cyber Defense Command
Pinned

TSA Hosts Live Talk with Former Head of Brazilian Army Cyber Defense Command

2026-01-23

International cybersecurity professionals join exclusive session as Ret. Col. Nestor Lana da Silva shares national defense insights.

TSA Founder Abrar Jahin Makes National Headlines for Revolutionizing Global Cybersecurity Education

TSA Founder Abrar Jahin Makes National Headlines for Revolutionizing Global Cybersecurity Education

2026-01-15

Tensor Security Academy founder Abrar Jahin is featured in Bangladesh’s national daily Naya Diganta for reshaping global cybersecurity education through accessible, mentor-led training.

TSA Hosts Live Talk with Former Head of Brazilian Army Cyber Defense Command
Pinned

TSA Hosts Live Talk with Former Head of Brazilian Army Cyber Defense Command

2026-01-23

International cybersecurity professionals join exclusive session as Ret. Col. Nestor Lana da Silva shares national defense insights.

Featured Courses

Start your cybersecurity journey with expert-led training

Security Analyst Professional Live Training

From SOC Fundamentals to Advanced Threat Detection.

Security AnalystSOC
Beginner to Advanced

Cyber Security Engineering with Generative AI

Emerge as a cybersecurity engineer who commands both traditional security frameworks and cutting-edge AI toolchains.

CybersecurityPenetration Testing
🔥 Trending

Complete Penetration Testing Masterclass: Zero to Professional Pentester

From Zero to Ethical Hacker in 26 Intensive Classes.

Ethical HackingPenetration Testing

Our Services

Professional cybersecurity and tech solutions

Web Application Penetration Testing

Comprehensive security assessment of web applications identifying OWASP Top 10 vulnerabilities, authentication bypasses, business logic flaws, and session management weaknesses.

Our Security Tools

Open-source offensive security tools built by TSA

AI PENTEST Toolkit

AI powered offensive security framework that automates penetration testing.

DirRumble

Lightning-fast HTTP directory fuzzing tool for WAF bypass testing.

NexusTrace

High-speed DNS resolving and subdomain enumeration tool.

XSS-Cobra

Ultra fast XSS scanner with intelligent mutation engine.

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