Web security

Authentication methods and stronger security in Google and Facebook

by Alberto González on May.09, 2011, under Information Security, Web security

Authentication is the process of identifying an individual, an artifact or something that needs to be identified. We “practice” authentication every time we log in to an account, for example, our computer operating system, hotmail or facebook accounts, a bank application and more.

When we talk about authentication we usually deal with one of the three general options available:

  • Something that you know: This is the most common method everywhere. We just have to know “something” and remember it each time we need to log in to an account. Usernames, passwords, NIPs, all of them are “things” we know and we type them when we want to access our accounts. The weak behind this method is that if someone else knows this information, that person could access our accounts in the same way as we do.
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