What are the best practices for handling security incidents on PHP websites, such as unauthorized access or malware injections?

To handle security incidents on PHP websites, such as unauthorized access or malware injections, it is important to regularly update PHP and all related software, implement secure coding practices, use parameterized queries to prevent SQL injection attacks, sanitize user input, validate and filter data, and regularly monitor and audit website activity for any suspicious behavior. 

// Example of using parameterized queries to prevent SQL injection attacks
$stmt = $pdo->prepare('SELECT * FROM users WHERE username = :username AND password = :password');
$stmt->execute(['username' => $username, 'password' => $password]);
$user = $stmt->fetch();

Keywords

security incidents unauthorized access malware injections PHP websites handling

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