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تمام مهارت‌ها
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SQL Injection Protection

⬢ سطح 2فنی
💰
High
تأثیر حقوق
⏱
4 ماه
زمان یادگیری
📊
Medium
سطح دشواری
👥
1
شغل‌ها
در نگاه اول

SQL injection is the most common web application vulnerability (OWASP Top 10 #1). Attackers insert SQL code via input fields to bypass authentication, steal data, or corrupt databases. Protection relies on parameterized queries (prepared statements), input validation, WAF rules, and least-privilege database access. Essential for backend developers, security engineers, and DevOps. Learnable in 4–6 weeks. Overlaps with application security, web security testing, and secure SDLC.

SQL Injection Protection چیست

SQL injection is a code injection vulnerability where attackers insert malicious SQL code through application input (login forms, search boxes, API parameters). If an application concatenates user input into SQL queries without proper escaping or parameterization, the database executes attacker-controlled commands, allowing unauthorized data access, modification, deletion, or privilege escalation. Example vulnerable code:

🔧 ابزارها و اکوسیستم
Parameterized Queries ORMWeb Application Firewall WAFInput Validation LibrariesSQL Query LoggingVulnerability ScannersStatic Code Analysis SASTPenetration Testing ToolsDatabase Access Controls

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منطقهجوانمیانیارشد
🇺🇸USA$85k$130k$180k
🇬🇧UK$50k$80k$120k
🇪🇺EU$55k$85k$130k
🇨🇦CANADA$75k$120k$170k

🎓 گواهینامه‌ها

OWASP Top 10 & SQL Injection→SANS Secure Coding→

🎯 شغل‌هایی که از SQL Injection Protection استفاده می‌کنند

Security Engineer

❓ سؤالات متداول

▶How does SQL injection work?
Attacker inputs SQL code (e.g., ' OR '1'='1) into a form. If the application concatenates user input into SQL without escaping, the database executes attacker-controlled code.
▶What's the best way to prevent SQL injection?
Parameterized queries (prepared statements). Pass user input as parameters, not concatenated strings. Database driver separates code from data.
▶Does an ORM prevent SQL injection?
Most ORMs (Sequelize, Hibernate, SQLAlchemy) prevent SQL injection by default. But raw SQL queries in ORMs (e.g., `db.raw()`) are vulnerable if you concatenate input.
▶Can input validation alone prevent SQL injection?
No. Validation is a secondary defense. Parameterized queries are the primary defense. Use both.
▶What role does WAF play?
WAF (Web Application Firewall) blocks known SQL injection patterns at the edge. But relies on signature detection, can be bypassed. Use WAF as a backstop, not primary defense.
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