Concept, Uses and How to make backups

We explain that it is a backup and what is the use of making a backup copy.In addition, the steps that must be followed to perform backups.

A backup is a copy of original data from an information system.

What is a backup?

In computer science, it is understood as a backup (in English: back up , "backup", "reinforcement"), backup, backup or backup copy to a copy of the original data of an information system or of a set of software (files, documents, etc.) that is stored in a safe place or a secure region of the system memory, in order to be able to re-dispose of your information in case any eventuality, accident or disaster occurs and causes your loss of the system.In other words, it is a copy just in case, usually Updates from time to time as a security measure.

Today's computer systems can be victims of various types of accidents: remote attacks by hackers or computer viruses, physical destruction of storage media, and even accidental removal by an authorized user.In these cases, manu is used to or automatically to backup to restore lost information, thus minimizing data or information losses.

These data losses are really common: 66% of Internet users have experienced them, so which is very usual have backups in different formats : sectors of the hard disk, removable storage devices or even in the same cloud, that is, on Internet servers.Prevention form is recommended in all digital prevention rules and large companies invest part of their budget and their data storage capacity to support their most important and confidential information.

See also: Cache Memory.

How to perform an effective back?

To perform a backup, the following steps are usually followed:

• Selection of the key material to support: irreplaceable information, of great economic value, etc.


• Storage in a secure system according to the possibilities of the individual or the organization.If possible, a local (own) backup and an external backup (in another company or service) should be made that is convenient.


• Update of the backup taking into account the modified data of the information to be saved and the frequency with which it is modified, so that the backup is always as up-to-date as possible and the loss of information is minimized.

There are numerous programs, pages, companies and online services that offer backup and data recovery plans .The information security sector is, in an increasingly digitalized world , a computer area in continuous growth.