Security of TypeScript Applications

The book "Security of TypeScript Applications" is a practical guide that will help you build reliable and secure web applications in TypeScript. In today's world, where cyber threats are becoming increasingly sophisticated, code security is not a luxury but a necessity. This book will walk you through all stages of development: from environment setup to deployment, and teach you to identify and eliminate vulnerabilities at every step.

Who is this book for?

• Frontend developers using TypeScript and React/Angular/Vue.
• Backend developers on Node.js and Express/Nest.js.
• Full-stack engineers looking to enhance the security of their projects.
• Team Leads and architects responsible for codebase security.
• Beginners who want to write secure code from the start.

What will you learn?

• How to configure the TypeScript compiler for maximum type safety.
• Practical methods for protection against XSS, CSRF, SQL injection, and prototype pollution.
• How to safely work with external libraries and APIs.
• Principles of secure authentication and authorization (JWT, OAuth2, session management).
• How to conduct dependency auditing (npm audit, Snyk, Dependabot).
• Integrating security into the CI/CD pipeline (SonarQube, ESLint security plugins).
• Error handling and logging without leaking sensitive data.
• Practical cases: securing REST API, GraphQL, WebSocket.

Why should you read it?

The book is written in simple and clear language, with plenty of code examples and real-world attack scenarios. You won't just learn theory — you will learn to apply protection in practice. Each chapter contains checklists for verifying your project's security. After reading, you will be able to confidently find and fix vulnerabilities, as well as foster a security culture within your team.

Don't put off security for later — start protecting your applications today. This book will become your reliable companion in the world of TypeScript and web security.