The etymological origin of the password is found in Latin. It is a word that is the result of the sum of two components of that language:
-The prefix "against-", which can be translated as "opposite".
-The noun "signum", which is equivalent to "sign" or "sign".

A password is a key what provides access to something that, without said code, is inaccessible. It's about a authentication method which appeals to the secret data necessary to overcome a security barrier.
The origin of the passwords dates back to the time when there were sentries or guardians guarding certain places. When someone approached with the intention of entering any of these sites, the sentries asked for a password: it was a word or a phrase that only those who had authorization to enter. If the subject said the password, he could access the guarded space. Otherwise, he was not allowed to pass.
Currently, passwords are very frequent in the field of technology and electronics. In these cases, the keys -also known with the English term password - allow protect personal information stored in digital systems.
When creating an account email For example, a person must choose a username and password. This data will be the ones that give you access to your account. Each time the subject wishes to write an email or read the messages sent to him, he will have to enter the system specifying the password that corresponds to his username.
The ATMs (ATMs ) also work with passwords: who wants to extract money With your debit card, for example, you must type (type) your password on the keyboard. The television decoders and the cellphones (mobiles ) are other devices that are often protected with passwords.
When it comes to creating a secure password, we must know that there are several tips that must be taken into account and that are offered by professionals in the field of information technology and technology. We are referring to the following:
-It is recommended that it be an alphanumeric password, that is, that it has both numbers and letters.
-In order to make it difficult for a hacker to discover that password, the password must have at least a total of 8 characters.
-It is important not to use as a password the name or surnames, important dates, the name of relatives ... And it is that all these data are easy to identify with the person and, therefore, are more vulnerable. That is, it is easier to discover the aforementioned password.
-No less relevant is to keep in mind that it is recommended to change it periodically.
-Of course, it is advisable not to give anyone the password. That is a very personal data that should only be in the hands of who it belongs to.
-Another important advice given regarding the password is that you should not have a single one for bank cards, emails, mobile phone, tablet, social networks ... And if you "steal", the hacker will have access to all those elements.