‘The cloud’ is a server network that provides certain services and works as a decentralized system.

In other words, it refers to the set of servers that send, receive and store data temporarily or permanently.These services allow certain tools to be used from anywhere in the world, with the sole condition of having access to the Internet.

Cloud types

There are three types of clouds according to their access level, that is, based on how accessible it is or not for a user:

  • Private cloud: It consists of that type of cloud to which only one or more authorized users have access, its admission being limited to the user level (who enters) and also, if applicable, at the connection mode level (from where and how you enter) .
  • Hybrid cloud: It has the promise of using the private cloud for some tasks or objectives, and for other functions, the public cloud.
  • Public cloud: This type of cloud is the most recurrent in the market. It is a system by which any user from any form of access can simply enter with an Internet connection, saving, of course, exceptions and entry requirements, such as initial registration, geolocation, etc.

Then, depending on the use and the objectives that are had, you must choose one type of cloud or another. The choice of the type of cloud is a decision that will mark the exposure that a company or institution faces, since, although there are situations in which we can benefit from having a public cloud implemented, like everything else, it also has certain disadvantages.

Advantages and disadvantages of the cloud

Depending on the type of cloud we are dealing with, these are some of the advantages and disadvantages that we can find:

Private cloudHybrid cloudPublic cloud
Local access✔️✔️✔️
Total Access ✔️
Internal risk✔️✔️✔️
External risk ✔️✔️
Higher cost✔️✔️

As we can see, each cloud has a series of advantages and disadvantages compared to another. If the private cloud has local access, this means that the external risk of a cyber attack is much lower than that of a public cloud, for example.

On the other hand, if we opt for a public cloud model, we will obtain a lower cost and a much more universal access to our own cloud. This therefore entails an external risk of a possible cyberattack that is considerably more considerable than that of a private or hybrid cloud.


Some of the examples that can be exposed of cloud services are:

  • Facebook: One of the functions of this social network is to save a photo album in your user account, in such a way that, publicly or semi-publicly (contacts accepted in your friends list), other users can freely access your profile and, therefore, to your photo album.
  • Google Drive: This service is based on the free storage of files by users remotely. These files are in a private account and, if we want, we can occasionally share the location of files and folders with other users.
  • Microsoft Azure: Microsoft's professional cloud services are exclusive at the company level, being totally private if the entity requires it. With this tool, you can also create hybrid and public cloud models, although they are less recurrent.

Taking into account the cloud examples that have been explained, it can be said that, in order of mention, they are public, hybrid and, lastly, private.

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