What is cloud computing?? It refers to a broad set of policies, technologies and controls deployed to protect data, application and associated infrastructure. Its sub-domain is computer security, network security and information security. Working on a cloud or not is a basic question asked to every employee. For instance, people working in hospitals are generally blamed for disclosing health records of their patients. Talking to a layman, it is a group in an organization connected through networks, but even if the hackers are good at hacking, the data will remain safe within the company boundaries. Therefore, cloud computing is very wonderful stuff to work upon, but only in a secured way. To know more please read the following article by Dennis Stevenson (author): http://it.toolbox.com/blogs/original-thinking/cloud-computing-must-be-securre-75892