How to add security to cloud-based services?

Cloud Services are found everywhere in storage, hosting, building applications, back up and many more. You can access the from all your devices like mobile, PC, tablet etc. As you mentioned, security is a major concern in cloud services and that is covered by our host. But if you own a small or medium scale business and using cloud services it is very essential to use cloud monitoring services like Ganglia, Hyperic etc. You can read more on these services in this article.
Also phishing attacks are quiet different, they target you and take you to a fake web address to steal your personal info like bank account, credit or debit card details. Find more about Phishing attacks.