The cloud may be a revolutionary innovation for computing, but you should be careful not to rely solely on it.
The primary disadvantages are security and potential dependency on the service.
Companies do not want their data infected by viruses or malware when they store it onto third party servers.
users are given access to the same server and thus opens the doors for
hackers to get their hands on your company's private information.
become too attached to your cloud service provider because they have
weak contingency plans for restoration and disaster recovery.
You also no control over how the cloud is maintained and fixed. Use its services at a level of comfort that is right for you.