International Journal of Emerging Technology and Advanced Engineering (IJETAE)
As number of credit card users both online and physical users' increases daily and at the same time the credit card fraud ratio is also increases. In this paper, the authors are showing how they can use HMM to detect an online as well as physical credit card fraud. Also will show how credit card fraud detection is need of today and in future. In this paper, they construct the sequence of operations in credit card transaction processing using a Hidden Markov Model (HMM) and show how it can be used for the detection of frauds. Also will give brief introduction of how this technique is useful and important for the users'.