Offensive Perspective - OWASP Security for Developers

You will learn to protect your web application by attacking it, by performing penetration testing on it. This course is rather theoretical with only some labs and demos.

Objectives

• Develop ”Out-of-box” thinking

• See security from an offensive perspective

• Learn best security practices and (most and less) common attacks

• Learn to defend your applications and infrastructure

Topics

• Overview of Web Penetration Testing

• OWASP Top Ten Web Vulnerabilities

• API Top Ten vulnerabilities

• HTTP Security Headers

• JSON Web Tokens

• Technical measures and best practices

• Cryptography

Overview of Web Penetration Testing

• Core problems

• Web Technologies basics

• Security Audit vs Vulnerability Assessment vs Pentest

• Information Gathering

• Scanning and Enumeration

• Mapping the target surface

• Attacking Users. Cross Site Scripting

• Attacking the Server

• Attacking Authentication

• Attacking Data Stores

Top 10 API Security Vulnerabilities

• API Vulnerabilities

• Examples of vulnerabilities found in publicly accessible applications

OWASP Top Ten Web Vulnerabilities

• A1: Injection

• A2 – Broken Authentication and Session Management

• A3 – Cross-Site Scripting (XSS)

• A4 – Insecure Direct Object References

• A5 – Security Misconfiguration

• A6 – Sensitive data Exposure

• A7 – Missing Function Level Access Control

• A8 – Cross-Site Request Forgery (CSRF)

• A9 – Using Components with Known Vulnerabilities

• A10 – Unvalidated Redirects and Forwards

• New Addition in OWASP TOP 10 - 2017

• A4 - XML External entities (XXE)

• A5 – Broken Access Control

• A8 – Insecure Deserialization

• A10 - Insufficient Logging & Monitoring

• New additions in 2021

• Common Vulnerabilities: XSS, SQL Injection, CSRF, XXE, LFI

HTTP Security Headers

• Understand HTTP Security Tokens and their role

• HSTS - Strict-Transport-Security

• CSP - Content-Security-Policy

• CORS

• X-Frame-Options

• X-XSS-Protection

• X-Content-Type-Options

• Referrer-Policy

• Cookie flags: HTTPOnly, Secure

JSON Web Tokens

• Understanding JSON WEB TOKENS

• Token Structure

• When can you use JWT

• Issues

• What is JWT good for?

• Best Practices for JSON Web Tokens

Technical measures and best practices

• Input Validation

• Encoding

• Bind Parameters for Database Queries

• Protect Data in Transit

• Hash and Salt Your Users' Passwords

• Encrypt Data at Rest

• Logging - Best practices

• Authenticate Users Safely

• Protect User Sessions

• Authorize Actions

Cryptography

• Cryptographic concepts

• Algorithms

• Cryptography and cryptanalysis tools

• Cryptography attacks