4 Best Two Factor Authentication Services in India in 2021

Two Factor Authentication Tools provide an extra layer of security when trying to verify identity of a user. Most systems do this based on a username and password. However, two factor authentication uses and additional layer of security by using an SMS or Email in addition to the standard security features of a username and password. Analyzo has listed the best Two Factor Authentication tools in India that you can use to add an additional layer of security to your application.

Best Two Factor Authentication

Price : 0.09 - 0.18 INR

2Factor is an OTP SMS provider which provides a reliable messaging API and direct connectivity with TIER-1 Telcos. They have proprietary routing algorithm to re-route failed messages via backup operators.

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Exotel is the building block that helps you customise customer communication over calls and SMS. Connect vendors, delivery personnel, drivers, etc. via virtual phone numbers without revealing the customer’s phone. Build a full-featured cloud call center in minutes – no infrastructure or hardware cost.
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Price : 0.18 paise per SMS

Msg91’s robust infrastructure provides an effective architecture which is designed to scale millions of SMS in one go. They keep sent SMS logs, track delivery time, and provide a list of frequently failed numbers. They also offer various plugins such as excel, Google spreadsheets, and many more.

Price : 0.14 - 0.20 paise per SMS

SmsGatewayCenter is a OTP SMS service provider that generates an OTP which is legitimate for one and only one login session or transaction, on a PC framework or other digital gadget. They offer a high priority gateway, static alpha sender id, 24x7 delivery and DND numbers delivery.

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FAQ's for Two Factor Authentication

How secure is two factor authentication?

While two factor authentication does improve security since the right to access no longer relies solely on the strength of a password, two-factor authentication schemes however are only as secure as their weakest component.
The account-recovery process can be used to defeat two factor authentication since it can reset a user's current password and email a temporary password to allow the user to log in again, bypassing the 2FA process.
It is possible for attackers to sometimes break an authentication factor in the physical world. This is why many high security environments require three factor authentication, which involves possession of a password and a physical token in conjunction with biometric data, such as fingerprint scan. Factors such as type of device, geolocation and time of day are also being used to help determine whether a user should be authenticated or blocked.

What is the difference between two factor authentication and two step authentication?

While it may seem that they are the same thing, in reality they are not. There are basically 3 major types of authentication factors: a password or PIN, mobile phone or a special USB key (something you have); and something you are such as your fingerprint or other biometric identifier. Two factor authentication combines two different factors, whereas two step verification uses the same factor twice. While two factor authentication is more secure than two step verification, both are better than relying on a single password.

Why two factor authentication is needed?

With standard security procedures online only requiring a simple username and password it has become increasingly easy for criminals to gain access to user’s private data such as personal and financial details. That is where two factor authentication comes in. It provides an additional layer of security which makes it harder for attackers to gain access to a person’s devices and online accounts, since knowing the victim’s password alone is not enough to pass the authentication check.

What is two factor authentication?

Two factor authentication is an extra layer of security in which the user provides two authentication factors to verify they are who they say they are. When you have to enter only your username and password, that’s known as single factor authentication. Two factor authentication requires not only a password and username but also something that only, and only, the user has on them (a piece of information only they know - such as a physical token). This makes it harder for potential intruders to gain access and steal the user’s personal data or identity.
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