The adjective alphanumeric is used to describe that which is made up of numbers, letters and other types of symbols . Specifically, the notion refers to the combination of letters from the Roman alphabet (also called the Latin alphabet ), Arabic numerals and other characters.
The concept of alphanumeric is often used in the field of computing . The alphanumeric keyboard , in this framework, is the peripheral that allows information to be entered into a computer (computer) through keys that are pressed or pressed. If a person wants to type the phrase “World Cup Russia 2018” in a word processor, for example, they can use their computer's alphanumeric keyboard and press the following series of keys: C, O, P, A, D, E , L, M, U, N, D, O, R, U, S, I, A, 2, 0, 1, 8 .
The alphanumeric key
To access various computer systems, on the other hand, it is necessary to enter a password . That's what a person who wants to access their email inbox or who intends to carry out a banking transaction over the Internet should do.
Companies generally recommend that the user choose an alphanumeric key (that is, using letters and numbers) as this increases the possible combinations of symbols and makes the key more difficult to crack. If the key of an email is “hello” , it can be discovered by a hacker in a simple way compared to another key that is “gRi49rs6P” .
Tips for creating a secure password
Specifically, when getting an alphanumeric password it is important to take into account a series of recommendations given by computer experts. We are referring to the following:
-It must have at least 8 digits.
-It is important that the combination of letters and numbers is not clearly identified with the person who creates it. That is, it does not have the initials of your name and your date of birth, for example. And this would make it a really easy key to be breached.
-In the event that, so that it can be remembered easily, you wish to establish an alphanumeric password with personal details, it is recommended to place special characters between the letters and numbers. We are referring, for example, to the “%”, the “#” or the dollar symbol. If it is recommended to do so, it is because it is determined that with those characters it will be more difficult to decipher the password.
-Of course, it is advisable not to always use the same alphanumeric key for everything. That is, do not use it for the email account, social networks, access to the bank account... This way, if one is discovered, the risk of the hacker being able to access any of those owner's spaces is avoided. of the key.
-With regard to letters, computer experts advise combining both uppercase and lowercase letters.
-In addition, it is advisable to change the alphanumeric passwords from time to time so that any personal space is protected.
The base 36 alphanumeric system is the most used: it uses the 26 main letters of the Latin alphabet (from A to Z ) and the 10 digits of Arabic numerals (from 0 to 9 ).