Disadvantages of Cloud Storage Security
As cloud storage providers can have multiple clients, one valid concern is that one client’s data is stored on the same hardware as another’s. Therefore, if one client’s data is compromised, there are good chances of the other client’s data being compromised as well. To overcome this potential problem, certain providers use discreet devices for each client.
Encryption, authentication and authorization are important components of any security infrastructure, the cloud being no exception. However, since the cloud service provider applies and enforces these security measures, clients feel insecure not knowing which other client also has the same measures in place. One solution is to use different encryption keys for each individual client, however it is wholly dependent on the service provider.
As cloud computing is very much in its nascent stages, there is uncertainty with regard to its sustainability and reliability. Many businesses would be taking an unprecedented risk in storing their critical information on an infrastructure that has not proven to be reliable. Data that is unavailable for extended periods of time can be as crippling to an enterprise as data that is compromised.
In a nutshell, the biggest problems with cloud storage security is the lack of transparency in the cloud and the users only have the assurance of storage providers as guarantees of security.