Challenges in cloud computing

•Security
•Costing model
•Charging model
•Service level agreement

•Cloud interoperability issue

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Application related security issues

• Cloud malware injection attack: In this attack a malicious virtual machine or a service implementation is injected into the cloud system. one solution to prevent this is to perform the integrity check to the service instance. • Cookie poisoning: In this an unauthorized access is made into the application by modifying the contents of the cookie. One solution is to clean up the cookie or encrypt the cookie data. • Backdoor and Debug Option: Debug option is for the developers who use it to implement  any changes requested at later stage in a website  since these debug option provides back entry for the  developers, sometimes these debug options are left enabled unnoticed, they may provide easy access to  the hackers  and allow them to make changes in the website. • Hidden Field Manipulation : Certain fields are hidden in the web-site and is used by the developers. Hacker can  easily modify on the web page .
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Network level attacks

• DNS attacks:      Domain hijacking: Domain hijacking is defined as changing the name of a domain without the knowledge or permission from the domain’s owner or creator. This enable the intruders to access the sensitive information.       Cross site scripting: It is a type of attack in which user enters right URL of a website and hacker on the other site redirect the user to its own website and hack its credentials. • IP spoofing:         DOS attack: When hackers overflows a network server or web server with frequent request of services to damage the network, the denial of service cannot keep up with them, server could not legitimate client regular requests. • Man in the middle attack: This is another issue of network security that will happen if secure socket layer (SSL) is not properly configured. • Network Sniffing: Another type of attack is network sniffer, it is a more cri...
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