In your role as a security analyst, you discover a vulnerability in a web application that allows attackers to execute arbitrary SQL queries. How would you advise the development team to remediate this vulnerability?
- Use parameterized queries or prepared statements to sanitize user input and prevent SQL injection attacks.
- Implement strict input validation on user inputs, perform regular security audits and code reviews.
- Utilize a web application firewall (WAF) to block malicious SQL queries, restrict database permissions to minimize attack surface.
- Educate developers on secure coding practices, use stored procedures to encapsulate database operations.
Option 1 suggests using parameterized queries or prepared statements, which are fundamental to preventing SQL injection attacks by separating user input from SQL commands. Option 3 involves additional security measures like WAF and database permissions, which are beneficial but secondary to fixing the core vulnerability. Option 4 addresses secure coding practices but does not focus specifically on remedying SQL injection vulnerabilities.
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