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Third-party authentication is based on the fact that virtually everyone on the Internet has an account on at least one top social networking site, such as Google, Facebook, Twitter or Linkedln. All these platforms provide authentication and identification your users by using their media accounts.


Third-party authentication is often called federated authentication or delegated authentication. These terms are mostly interchangeable, although federated authentication is usually associated with the Security Assertion Markup Language (SAML) and OpenID, and delegated authentication is often associated with OAuth.


Web developers should check their products for potential defects before they are made live or before the code is moved in user environment. For this purpose, they use web application testing services provided by third-party partners from Ukraine.


Third-party authentication has three main advantages. First, the authentication process is facilitated. You do not have to worry about authenticating individual users but just about interacting with a trusted external service. Secondly, it reduces password fatigue – the stress associated with having too many accounts and entering passwords frequently. Some people use LastPass and feel frustrated when understanding that they have a lot of saved passwords, which number can be even 400! For instance, an area technology specialist will probably have more passwords than an average Internet user, but even a regular Internet user has dozens, or even hundreds of accounts. And thirdly, third-party authentication is done “without noise and dust, and danger”: it allows your site to run faster, with the use of existing credentials. If users see that they need to create another pair of “username and password”, they often simply leave the web page.


If you do not use a password manager, there are chances that you will use the same password for most of these sites. Most people have a “safe” password that they add for banking and the like, and an “insecure” password for all other places on the Internet. The problem with this approach is that if at least one of these sites has a security hole and the password is known, the hackers will try to use the same password across other online accounts. It’s like putting all the eggs in one basket.


Third-party authentication also has negative aspects. It is hard to believe, but still there are people who do not have an account on Google, Facebook, Twitter and Linkedln. Further, suspiciousness or desire for privacy of some people who have such accounts can lead to unwillingness to use these credentials for login to your website. Many sites solve this problem by recommending users to use existing accounts, but those who do not have them or who do not want to use them to access your service can make a new account for it.


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