1function processPaymentSecure(cardData) {
2    // Tokenize
3             card data immediately
4    const token = tokenizeCardData(cardData);
5 
6    // Clear sensitive data from memory
7    cardData = null;
8 
9    // Log only non-sensitive payment metadata
10    securityLog.info({
11            event: 'payment_processing',
12        token_id: token.id,
13        amount: token.amount,
14        timestamp: new Date().toISOString()
15    });
16 
17    return processTokenizedPayment(token);
18}
19 

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