What security measures should be implemented when handling sensitive data like member information and photos in a PHP application?

Sensitive data like member information and photos should be stored securely to prevent unauthorized access. To enhance security, encryption should be used to protect the data both at rest and in transit. Additionally, access controls should be implemented to restrict who can view and modify the sensitive data. 

// Encrypt sensitive data before storing it in the database
$encryptedData = openssl_encrypt($sensitiveData, 'AES-256-CBC', $encryptionKey, 0, $iv);

// Decrypt sensitive data when retrieving it from the database
$decryptedData = openssl_decrypt($encryptedData, 'AES-256-CBC', $encryptionKey, 0, $iv);

// Implement access controls to restrict access to sensitive data
if($user->isAdmin()) {
    // Allow access to sensitive data
} else {
    // Deny access to sensitive data
}

Keywords

SQL injection encryption secure sessions input validation cross-site scripting

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