5 Ways to Keep Your APIs Secure and Protected

The world really is changing before our eyes. APIs have led the ongoing digital transformation of data, using integration to link services and connect businesses to customers all over the world. Almost every aspect in the commercial sector is now online-based and businesses are crippled without the flexibility and speed that APIs can provide. The result? Increasing sales and profit margins, and a dramatic rise in revenue and publicity.

The downside?

As both the IT and business components of a firm or company are intricately connected, and a security breach is one small area that can spell disaster for the entire firm. Because of all the money involved, security risks can be disastrous for all the parties involved. As a result, API security is a massive concern.

A secure API can instill confidence in the business, whether it’s the customers, employees, investors, or even the folks in charge. In order to keep an API secure, developers must make sure that the information/data is only visible to those allowed to have access to it. Moreover, there has to be a guarantee that the information has not been skewed or altered by a third party in any way.

Here are 5 things that can keep your API safe from breaches and vulnerabilities:

1.Server Authentication

Your API has to authenticate itself to the apps which use it. Similarly, when your API interacts with various servers, they need to authenticate themselves to the API. In both cases, you avoid third-party attacks which are often malicious software pretending to be a Server or even your API.

To avoid middle-man attacks, you need to make use of User and App Authorization that restricts access according to the authorization or access control rule in place for that particular software. You can use the group customers or different employees belong to in order to identify their role when using the App.

2. Attribute-Based Access Control

Besides using app and user authentications based on the level of access an individual is permitted, one can also decide on the access control based on some sort of circumstantial details available at the time of the API call. 

These include the time, the role, the location of the API, or even a combination of these conditions that determine the degree of access permitted. Also, Attribute-Based Access Control often dictates the condition that your API will respond with particular subsets of data based on the access control decisions related to the User.

3. Username and Passwords

This is the simplest and classic method of authentication. And the reason why it seems almost timeless is that it is so effective. However, they do have their own set of problems. Firstly, passwords can be predictable as there is often a pattern to them. Moreover, users often forget their passwords, losing access to data they need. However, when done right, passwords are pretty secure.

4. Multi-Factor Authentication

As I just mentioned, the username and password system can pose certain problems. The multi-factor authentication eliminates these issues and works amazingly well when used with passwords. Multi-factor Authentication (MFA) demands a one-time usage token from the user that they receive after authenticating their credentials. 

This token may be delivered to users through SMS when the app requests a Multi-Factor Authentication Provider to do so. Users can also have a digital key which gives them a token that the App will validate. Once the App obtains the token validated by the MFA Provider, it proceeds to utilize your API.

5. Token-Based Credentials

Token-based credentials are a more secure alternative to username/password credentials. This is because they give apps and users a more secure form of authentication and authorization. The concept for this is that the Identity Provider issues some form of tokens based on a primary authentication request with username password credentials.

After that, the app just needs to send the token, so the net result is a massive decrease in username/password credentials going back and forth across the network. Furthermore, tokens are generally given with an expiration date and can be revoked. And because they are issued uniquely to each app, when a certain token is revoked or expired, all the other apps can continue to use their tokens independently. This ensures security and allows other connected apps to function smoothly, even if something goes wrong with a particular token.

Wrapping Up

API security is complex and multi-faceted but this article shows the basic things one can do to keep their apps, servers, and users well-protected. If you have specific concerns, there are several MuleSoft services that offer consultations and solutions to your security issues. As the digital world continues to grow and change, security risks evolve as well. And the best thing one can do is stay vigilant.

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