PHP Application Security: From Vulnerabilities to Protection

The book "PHP Application Security" is a practical guide that will help developers of all levels protect their web projects from the most common attacks. In today's world, where cyber threats are becoming increasingly sophisticated, knowledge of security fundamentals is not just an advantage, but a necessity. This book covers all key aspects, from server configuration to writing secure code.

The book is intended for:

• PHP developers looking to deepen their knowledge of security;
• Team Leads and technical specialists responsible for code auditing;
• Beginner programmers who want to write secure applications from the start;
• Anyone interested in web security and wanting to protect their projects.

In the book, you will find a detailed description of the following topics:

• PHP Security Basics: configuring php.ini, session management, working with user input;
• Protection against XSS (Cross-Site Scripting): methods of filtering, escaping, and validating data;
• SQL Injections: using prepared statements (PDO, MySQLi), ORM security;
• CSRF (Cross-Site Request Forgery): token generation, request origin verification;
• Authentication and Access Control: secure password storage (bcrypt, Argon2), two-factor authentication, role management;
• Data Encryption: working with OpenSSL, secure storage of confidential information;
• Secure File Handling: protection against path traversal, file uploads, type control;
• Logging and Monitoring: attack detection, security auditing, incident response;
• Practical Examples: code from real applications with comments, analysis of common mistakes.

The special feature of this book is its emphasis on practice. Each chapter contains not only theoretical explanations but also ready-made code examples that can be used immediately in your projects. You will learn not only to fix vulnerabilities but also to prevent them at the design stage.

The book is written in simple and clear language, without excessive academicism. All examples are tested on current versions of PHP (8.x) and comply with modern OWASP security standards. After reading, you will be able to confidently conduct security audits, write secure code, and protect your applications from the most common attacks.

Don't put off security for later — start protecting your PHP applications today with this book!