Authentication define as the process of verifying a person or any entity. The authentication is a process which compared the file in database to authorized the user information from their local OS. Only then User Pass the authentication when credentials match.
So 'Authentication' is the process which match your Identification with saved Identification for particular user.
How can we secure the Authentication ?
Now a days worldwide millions of internet user are there in world and millions user are doing every day transaction worldwide, so there is need of authentication in secure way Like Online Top secret data access and transfer, Online Business Money deal, online shopping, online money transfer, Etc.
With the low secure authentication process any unauthorized or fraud person can access the data or break the security breach.
To create the Secure Authentication we have to care about how and from where, The user are going to access personal data. Some challenges faced while creating secure authentication user can access it from any desktop Like Home or Office, they can access with help iPhones, iPads , android devices, Windows Phone from any where even if they are on vocations. The changing location of accessing the data does not effect their authentication it does not introduce any spam, spyware, malware, Etc. while they are trying get their authentication.
Sure Authentication Pass the phrases instead of plain passwords. Every desktop or mobile application has their own level of security breaches to authenticate the user.
The Securing the Authentication we make it in two ways:
1. Single Factor Authentication : This authentication basic rule used, user name and their password log-in which should match with data base and user get authentication.
2. Multi Factor Authentication : This type of authentication done by software or by hardware.
For software authentication we have some application like Paypal or Apple wallet. *Now a Day Paypal is working on to developing the new generation of edible passwords that unlock your device from inside your body.
For Hardware authentication we have ATM. They can get throw with authentication with combination of ATM card and the unique pin that generated for that particular card.