Ethical Hacking Essential Beginner's Guide: Episode 15 — Web Vulnerabilities, Burp Suite and Responsible Disclosure (Updated June 2026)

Here's what most cybersecurity learning resources don't tell you: 80 percent of real-world data breaches involve web application vulnerabilities, not the dramatic network exploits you see in movies. In Episode 15 of our Ethical Hacking series, we go directly to where the attacks happen — web applications. TCS cut 12,000 jobs in July 2025 citing automation, but simultaneously cybersecurity headcount across Indian IT firms is growing by 25 percent year-on-year as companies scramble to defend digital infrastructure. Banks, e-commerce platforms, hospitals, and government portals all run web apps, and all of them have vulnerabilities waiting to be found. Ethical hackers — also called penetration testers or security analysts — get paid well to find those vulnerabilities before the bad guys do. Episode 15 covers the OWASP Top 10 vulnerabilities most commonly exploited, how Burp Suite works as a web proxy, and the correct legal and ethical process for reporting what you find. All lab work uses authorized, intentionally vulnerable applications — never real systems without permission.

▶ Watch on YouTube

OWASP Top 10: The Web Vulnerabilities That Show Up in Every Pentest

The OWASP (Open Web Application Security Project) Foundation publishes a Top 10 list of the most critical web application security risks, updated every few years based on real attack data. As an ethical hacker, this list is your starting checklist for every web application assessment. The most relevant items for beginners are: Broken Access Control (users accessing data they shouldn't), Cryptographic Failures (sensitive data stored or transmitted without proper encryption), Injection (SQL, OS command, LDAP — where attacker-controlled data is executed as code), Insecure Design (security not considered during development), Security Misconfiguration (default credentials, exposed admin panels, verbose error messages), and Vulnerable and Outdated Components (libraries with known CVEs still in production). Mastering how to test for each of these in authorized environments — using platforms like DVWA (Damn Vulnerable Web Application), OWASP WebGoat, or TryHackMe — is the practical skill set that makes you employable as a penetration tester.

SQL Injection: What It Is, How It Works, and Why It Still Appears Everywhere

SQL injection is the attack technique where an attacker inserts malicious SQL code into an input field, tricking the database into executing it. Classic example: a login form that uses the query SELECT * FROM users WHERE username=INPUT AND password=INPUT. If the developer doesn't sanitize the input, typing admin -- as the username comments out the password check entirely and grants access. That's SQL injection in its simplest form. What most people don't realize is that SQL injection vulnerabilities still appear in production systems in 2025 — not because developers don't know about them, but because large codebases contain legacy code that was written before modern frameworks enforced parameterized queries. For ethical hacking practice, use DVWA or SQLi labs on your local Kali Linux VM. The testing methodology: identify input fields, test with single quote for errors, then use UNION SELECT attacks to extract data. The fix is always parameterized queries or prepared statements — never string concatenation to build SQL.

Cross-Site Scripting (XSS): Stored, Reflected and DOM-Based

Cross-Site Scripting (XSS) attacks inject malicious client-side scripts — usually JavaScript — into web pages that other users view. There are three types. Reflected XSS: the malicious script is in the URL, processed by the server, and reflected back in the response — it requires the victim to click a crafted link. Stored XSS (also called persistent XSS): the malicious script is saved to the database (in a comment field, profile name, etc.) and served to every user who visits that page — more dangerous because it requires no social engineering. DOM-based XSS: the vulnerability exists in client-side JavaScript that processes user-controlled data. Practical impact: an attacker can use XSS to steal session cookies (and thus hijack authenticated sessions), redirect users to phishing pages, or log keystrokes. Defense: output encoding (never insert untrusted data into HTML without escaping it), Content Security Policy (CSP) headers, and input validation. For practice, use OWASP WebGoat or XSS labs in TryHackMe rooms — never test on any live website without written permission.

Burp Suite Community Edition: Your Web Hacking Toolkit

Burp Suite is the industry-standard web application security testing platform. The Community Edition is free and contains everything a beginner needs to learn. It works as an intercepting proxy: you configure your browser to route traffic through Burp, and Burp sits between the browser and the web server, letting you see and modify every request and response. Key tools to learn first: the Proxy tab (intercept and modify HTTP requests), the Repeater (resend modified requests and compare responses — essential for testing parameter tampering), the Intruder (automated attacks like credential stuffing and fuzzing — rate-limited in Community Edition), and the Decoder (encode/decode base64, URL encoding, HTML entities). The workflow for a basic web pentest: browse the application in scope with Burp running to build a site map, identify interesting parameters (login forms, search boxes, file uploads), test each parameter using Repeater with payloads for injection vulnerabilities. Always have written authorization before running Burp against any application.

Responsible Disclosure: The Legal and Ethical Rules You Must Follow

Responsible disclosure is the practice of privately notifying a vendor or organization about a vulnerability you discovered, giving them time to fix it before you publish any details. This is both the ethical approach and the legally safe one — in India, the Information Technology Act 2000 (as amended in 2008) makes unauthorized computer access a criminal offence under Section 66, regardless of your intentions. The key word is authorized. If you found a vulnerability in a company's website without their permission, reporting it does not automatically protect you from prosecution. The correct process: participate only in bug bounty programs that explicitly invite external researchers (HackerOne, Bugcrowd, or company-specific programs like those run by Infosys, Wipro and Indian banks), or obtain a written engagement letter before testing. When reporting: document the vulnerability with proof-of-concept steps, describe the potential impact, and suggest a fix. Most reputable organizations follow a 90-day disclosure timeline.

Cyber Security Jobs in Pune and Sambhajinagar — Salaries and Employers

Cybersecurity is one of the fastest-growing job categories in Indian IT, and Maharashtra is at the centre of that growth. Mumbai-Pune corridor companies — Infosys, TCS, Wipro, HCL, and dozens of financial services firms — are rapidly expanding their security operations centres (SOCs) and penetration testing teams. Entry-level roles like Security Analyst and Junior Penetration Tester in Pune pay Rs 4–7 LPA; with CEH, OSCP or CompTIA Security+ certification, this rises to Rs 7–12 LPA within two to three years (AmbitionBox 2025). Senior Penetration Testers and Security Engineers with five or more years earn Rs 18–30 LPA at firms like Wipro CyberSecurity, Deloitte Advisory and KPMG India. In Sambhajinagar, the banking and financial sector (Bank of Maharashtra, State Bank of India regional offices) needs cybersecurity professionals as digital payments expand into Tier-2 cities. The Cidco branch of ABC Trainings (Kalpana Plaza, N-1) runs ethical hacking batches with practical lab exercises on Kali Linux and intentionally vulnerable VMs. Sangli's growing IT sector at Kupwad MIDC also presents local opportunities. Call 7039169629 or WhatsApp 7774002496 for the next batch schedule.

FAQs

What is covered in Ethical Hacking Episode 15?

Episode 15 covers OWASP Top 10 web vulnerabilities, SQL injection testing methodology (with safe lab environments), Cross-Site Scripting (XSS) types and demos, Burp Suite Community Edition as a web proxy and pentesting tool, and responsible disclosure — the legal and ethical process for reporting vulnerabilities you discover.

Is ethical hacking legal in India?

Ethical hacking performed with explicit written authorization from the system owner is legal in India. Unauthorized access to computer systems is a criminal offence under Section 66 of the IT Act 2000. Participate only in official bug bounty programs or obtain a written engagement letter before testing. All ABC Trainings lab exercises use intentionally vulnerable practice environments — never real systems.

What certifications should I get after learning ethical hacking?

The most recognized entry-level certification is CompTIA Security+. For ethical hacking specifically, CEH (Certified Ethical Hacker by EC-Council) is widely accepted by Indian IT companies. OSCP (Offensive Security Certified Professional) is the gold standard for penetration testing but requires hands-on hacking skill across 24 hours — pursue it after 12–18 months of practice. Bug bounty experience on HackerOne or Bugcrowd also significantly strengthens your profile.

Does ABC Trainings offer ethical hacking training in Pune?

Yes. ABC Trainings offers an AI Powered Application Development course that includes cybersecurity fundamentals and ethical hacking modules at our Wagholi and Hadapsar centres in Pune, and at Cidco and Osmanpura in Sambhajinagar. All lab work uses Kali Linux and intentionally vulnerable VMs. Call 7039169629 or WhatsApp 7774002496 for batch dates and fees.