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The Royal Spanish Academy (RAE) does not include the word password in your dictionary The term, however, is very popular in our language , although it can be replaced by password or key , notions that are accepted by the SAR.

A password is a combination of letters and / or numbers which provides, to those who know it, the possibility of accessing a resource. The password serves as protection and as a security mechanism: those who do not know the key , cannot access the resource in question.

Suppose a man you want to extract money from a ATM or ATM . For this, you must enter a card to the machine and mention your password. Only if your income is correct (that is, if it matches the sequence of characters that you entered in the system ), you can withdraw the money. No person who does not know the password will have the possibility to access the bank account of this individual and thus extract money, unless he commits a crime and violates security.

Passwords also protect email accounts (e-mail ) and other services in Internet (as Facebook , Twitter , etc.). The user, when registering, chooses a password that only he must know. In this way, no one can use your email or your profile on social networks without your consent.

At present, it is very common that the account creation forms recommend the users they choose passwords difficult to deduce for others (for example, it is not advisable to build them with data such as the date of birth, the first name or part of your username). In some cases, this becomes a requirement, so that certain rules are established to consider a security key valid; The most normal thing is that they are asked to include at least one uppercase letter and one number, and that their extension is not less than a certain number of characters.

In the case of Wi-Fi networks, for example, it is advisable to use a password in combination with the safety standard as powerful as possible, especially if the router is in a building with a high density of neighbors, within walking distance of each other. The standards of security they are WEP, WPA and WPA2, in combination with TKIP or AES encryption, sorted from oldest and vulnerable to most modern and effective.

Since the password of a router is something that most users should not use very often, the ideal is to create a string of characters very difficult to remember and that has no relationship with our data personal, and write it down on a sheet; it is better to copy it every time it is used that the risk of a neighbor taking advantage of our connection without permission for having chosen a password that is too simple and a security standard precarious, like WEP.

The use of passwords is very old, although their characteristics changed with the weather . Before, the guards who controlled access to a certain place only allowed those who knew a keyword to pass. Currently, a password is usually a combination of letters and numbers that are encrypted in computer systems so as not to be violated.

It should be noted that the term should be considered a feminine noun, since a literal translation of it could be "word of passage" or "word to pass" (the two words that make it up are "He passed "and" word "). The assignment of the wrong gender to a term of foreign origin occurs more frequently than it should, in the same way as pronunciation errors and misinterpretations of their meanings.

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