Passwords play a role crucial to help us protect our privacy, but ... are they as safe as they should be? And are there other ways for enhanced security?
In our society, based on ownership, privacy and confidentiality, it is essential to be able to securely identify. The key you use to open your home or car, for example, also have mechanisms to identify you as the PIN code works for your mobile phone.
In computing, the identification is essential and appeared at a certain simultaneous use of a system with multiple users. And if our passwords simply contain text, it is because for a long time, computer systems could not accept the text typed on a keyboard.
But it is also a method that involves risks, as for the pleasure of being able to remember passwords, some people use very basic passwords like dad or 12345.
It becomes very easy to identify your passwords, for example through specialized programs and people can enter and your identity on the Internet by accessing your Facebook or Twitter account. It is still much easier for cybercriminals to capture all your passwords that most people reproduce the same password - same sequence of letters, numbers and special characters - for all their Internet passwords. For fun, try www.howsecureismypassword.com website to know the time that may be required to decrypt your password.
Problems with passwords were quickly discovered and alternative identification systems were quick to emerge. There are different alternatives or supplements passwords, which can be grouped into four categories: things you know (face images), things you have (token or numbers to reproduce), who you are (biometrics example using fingerprints) and that you do, to know where you are and where your business is.
for maximum safety, it is recommended to combine two or three categories, because if the keys are increased, there is less risk. Although no offers maximum security, this way you get a much better protection, because if an attack is successful, it will affect only part of the key.
To date, only large companies software and Best- known sites can afford to adopt such system combinations. And users continue to find it easier to manage a system far. Although several signs may announce the use of passwords that the system for identification verification systems in two stages less are increasingly used, as is the case for Google, Facebook and Twitter. In parallel, biometrics seems increasingly favored by Apple. In the near future, multi-factor systems can continue to proliferate.
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