PHP for Beginners: The Complete PHP Security Course 2025

Source: https://www.udemy.com/course/php-for-beginners-the-complete-php-security-course-2025/

What you’ll learn

Understand the most common PHP security vulnerabilities and how attackers exploit them.
Protect against SQL Injection by using prepared statements and parameterized queries.
Securely hash and verify passwords with PHP’s built-in functions.
Implement session security and prevent session fixation attacks.
Prevent Cross-Site Request Forgery (CSRF) with tokens and secure form handling.
Safely handle file uploads with validation, MIME type checks, and renaming strategies.
Disable dangerous PHP functions and configure PHP securely for production environments.
Use .htaccess rules to block directory listing, restrict access, and protect sensitive files.
Enforce HTTPS to protect data in transit and prevent man-in-the-middle attacks.
Log errors safely and understand why fixing logged issues is critical for security.
Apply backend validation and sanitization to protect against malicious input.
Restrict access to directories and files using firewalls and IP-based protection.
Understand the risks of Remote File Inclusion (RFI) and Local File Inclusion (LFI), and how to prevent them.
Write secure redirects using headers and avoid common mistakes.
Gain confidence in building secure, production-ready PHP applications.