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PHP Security Engineering🔒

Intermediate→Advanced

PHP 8.5

Build attack-resistant PHP applications. Master input validation, SQL injection prevention, XSS protection, authentication, and cryptography.

7

Sections

21

Lessons

27

Challenges

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21 lessons and 27 challenges, all 100% free.

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Understanding Web Security Threats

Secure PHP Configuration

Top Security Risk(Sign in required)

Beginner+10 Mana

Production Error Display(Sign in required)

Beginner+10 Mana

Secure Error Handling

Security Principles(Sign in required)

Intermediate+20 Mana

Input Validation Fundamentals

Type Safety & Strict Types

Filter Validate Email(Sign in required)

Beginner+10 Mana

Whitelist vs Blacklist(Sign in required)

Intermediate+20 Mana

Secure File Upload Handling

Secure File Upload Practices(Sign in required)

Intermediate+20 Mana

Safe Upload Filename(Sign in required)

Intermediate+20 Mana

Understanding SQL Injection

Prepared Statements: The Solution

SQL Injection Prevention(Sign in required)

Beginner+10 Mana

SQL Parameterize Limit(Sign in required)

Intermediate+20 Mana

Advanced SQL Injection Prevention

Real Prepared Statement Flow(Sign in required)

Advanced+30 Mana

Second-Order SQL Injection(Sign in required)

Advanced+30 Mana

Cross-Site Scripting (XSS)

Cross-Site Request Forgery (CSRF)

XSS Prevention Function(Sign in required)

Beginner+10 Mana

Attack Defenses(Sign in required)

Intermediate+20 Mana

Content Security Policy (CSP)

CSP Nonce Purpose(Sign in required)

Intermediate+20 Mana

CSP Weakening Directives(Sign in required)

Intermediate+20 Mana

Password Hashing & Storage

Secure Session Management

TOTP Code Validity(Sign in required)

Beginner+10 Mana

Password Hashing Algorithm(Sign in required)

Intermediate+20 Mana

Implementing Multi-Factor Authentication

Session ID Regeneration(Sign in required)

Intermediate+20 Mana

Backup Codes Storage(Sign in required)

Intermediate+20 Mana

Encryption Fundamentals

Random Bytes(Sign in required)

Beginner+10 Mana

Hash vs Encrypt Use Cases(Sign in required)

Beginner+10 Mana

Generating Secure Tokens

Digital Signatures & HMAC

AES-GCM Encryption Steps(Sign in required)

Intermediate+20 Mana

Split Token Pattern(Sign in required)

Advanced+30 Mana

Security Audit Checklist

Rate Limit HTTP Code(Sign in required)

Beginner+10 Mana

Dependency Security Scanning

Composer Audit(Sign in required)

Beginner+10 Mana

Security Header(Sign in required)

Intermediate+20 Mana

Taint Analysis Detection(Sign in required)

Advanced+30 Mana

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21 interactive lessons and 27 hands-on challenges — learn in VS Code, Cursor, or the web.