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Cloud technology has revolutionized the domain of computing in recent years. The cloud has succeeded to attract many businesses to use cloud resources or host most of their data in the cloud with their reduced prices, accelerated application deployment, and dynamic resources. With the COVID-19 pandemic disrupting the usual offline mode of sales, many businesses are going online and using cloud services. Recent statistics have shown that over 80% of industry workloads will be in the cloud by the end of 2020 and over 90% of industries already use a cloud service, with many more to come very soon. Despite having numerous benefits, security has always been a concern for cloud services. With the improvement of technology, related threats are also getting more complicated and advanced. Cloud services are facing attacks more than ever and this will keep increasing in the coming years. The swift development and popularity of cloud computing make cloud security an important necessity. In this paper, we have discussed security challenges and reviewed cloud security using blockchain technology and honeypot networks. This article is focused on the recent advancement in the implementation of honeypots to detect new attacks while minimizing resource overhead and blockchain to enhance cloud security using it is decentralized and distributed nature.