The online backup services let you backup your files to an off-site server over any Internet connection. This type of backup is called the cloud backup because one can easily keep their files on the Internet and the files will be backed up over Wi-Fi and no wires will be required. The data is encrypted for safety and is also stored in a secure remote location so that one can easily access it from anywhere. The cloud backup has both pros and cons. The advantages of the cloud backup service are many such as it allows safe and secured backing up of data on a remote data storage, data can be accessed from anywhere, it is cheaper, has in-built disaster recovery facility, unlimited storage facility, automatic data backup capability and no worries about the maintenance of hardware infrastructure. The disadvantages of the cloud backup are that the Internet speed must be fast, the data resides only on the third party servers and most of the cloud backup service providers charge some money to access the facilities provided such as annual subscription fees. Hence, before availing the service from any company make sure that it is well-reputed and reliable.