Multiple choice What does non-repudiability refer in E-Commerce Security Systems? It refers that the information available should not be changed during or after the transaction. It refers that the information should be available whenever and wherever it isrequired. It ensures that the information should not be accessible by the unauthorised person. It ensures that the information should be protected against the denial of order or denial of payment for the sender and recipient. Both (3) and (4) Reveal answer Fill a bubble to check yourself D Correct answer Explanation This is true about non-repudiability in E-Commerce Security Systems.