TechWithAmardeep

What is Penetration Testing? Complete Beginner Guide 2026 — How It Works, Types, Tools & Career What is Penetration Testing? Complete Beginner Guide 2026 — How It Works, All Types, Real Tools & Career Roadmap By Amardeep Maroli  |  April 10, 2026  |  Penetration Testing, Ethical Hacking, Cybersecurity  |  16 min read Home About Contact At 2:17 AM on a Tuesday, a penetration tester was three days into an engagement with a mid-sized fintech company that processed billions in annual transactions. The company had firewalls, endpoint detection, multi-factor authentication, and quarterly vulnerability scans. Their security team believed they had things locked down. The tester had just chained three seemingly minor findings together: an API endpoint returning verbose error messages, an internal Jenkins server with default credentials accessible via a misconfigured VPN split-tu...

What Is SQL Injection? Complete 2026 Guide — How It Works, Real Attack Examples, Types & Prevention With Code What Is SQL Injection? Complete 2026 Guide — How It Works, Real Attack Examples, Every Type & Prevention Code By Amardeep Maroli | April 8, 2026 | SQL Injection, Web Security, Developer Guide | 16 min read Home About Contact SQL injection has been the most exploited web vulnerability for over two decades — and it is still responsible for some of the largest data breaches every year. The 2021 LinkedIn leak of 700 million records, the 2020 Marriott breach, and thousands of smaller incidents every month all trace back to the same root cause: user input being trusted and executed as part of a database query. It sits at position A03 in the OWASP Top 10 — the globally recognised list of the most critical web application security risks. Yet despite being well-documented for 25 years, it kee...

What Is Zero Trust Security? Complete 2026 Guide — How It Works, Why Every Company Needs It & How to Implement It What Is Zero Trust Security? Complete 2026 Guide — How It Works, Why Every Company Needs It & How to Implement It By Amardeep Maroli | April 8, 2026 | Zero Trust, Cybersecurity, Network Security | 15 min read Home About Contact For decades, network security worked like a medieval castle. Build a strong wall around the perimeter — a firewall — and trust everyone inside it. Your employees on the corporate network were trusted. External users were not. The strategy was: if you can get inside the wall, you have access. That model collapsed. Not because firewalls stopped working, but because the premise it depended on — a meaningful inside and outside — stopped being real. Employees work from coffee shops, home networks, and airports. Data lives in cloud services that have no physical ...