SQL Injection (SQLi)

An attack that injects malicious SQL queries to manipulate a database.

Understanding:

SQL Injection is a code injection attack that allows attackers to manipulate SQL queries in databases. It can lead to data theft, account takeover, and full database compromise.

Common Applications and Use Cases:

Credential Theft – Extracts usernames and passwords.
Data Modification or Deletion – Attackers manipulate stored data.
Bypassing Authentication – Gaining admin access without credentials.

Best Practices and Security Considerations:

Use Parameterized Queries & Prepared Statements – Prevents injection attacks.
Sanitize User Inputs – Ensure proper input validation.
Employ Web Application Firewalls (WAFs) – Blocks malicious SQL queries.