International Journal of Computer Applications
Cloud computing is a modern style of computer services. This system has some of similarities with distributed systems, through using network environment features. Therefore the security is one of most critical issues in this type of environment. Because of vast number of users become connected to the network with times, the opportunity for malicious users or an attack to perform damage actions becomes very great and profitable. One of the major security challenges in cloud environment is the detection of any attempts of intrusions and attacks.