1function processPaymentSecure(cardData) {
2    // Tokenize card data immediately
3    const token = tokenizeCardData(cardData);
4    
5    // Clear sensitive data from memory
6    cardData = null;
7    
8    // Log only non-sensitive payment metadata
9    securityLog.info({
10        event: 'payment_processing',
11        token_id: token.id,
12        amount: token.amount,
13        timestamp: new Date().toISOString()
14    });
15    
16    return processTokenizedPayment(token);
17}
18 

1function processPayment(cardData) {
2    // Storing card data in local storage
3    localStorage.setItem('lastCard', JSON.stringify(cardData));
4    
5    // Logging sensitive payment data
6    console.log('Processing payment:', cardData);
7    
8    // Sending card data to analytics
9    analytics.track('payment_attempt', {
10        card_number: cardData.number,
11        cvv: cardData.cvv
12    });
13}
14