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What's the best way to secure your API without sacrificing performance?

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APIs are the backbone of many modern applications, allowing different systems to communicate and exchange data. However, APIs also pose security risks, as they expose sensitive information and functionality to potential attackers. How can you protect your API from unauthorized access, data breaches, and malicious requests, without compromising its performance and scalability? In this article, we will explore some best practices and techniques to secure your API without sacrificing performance.

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Rajesh Kumar

Engineering Manager @ Fold Health | Java | Springboot | Microservices | Distributed System | Event Driven System | BIT…
Siva B ?

Sr. Java Full Stack Developer || Java8, Spring, Servlets, SpringMVC, Hibernate, SpringBoot, Microservices, Kafka…
Bibek Thapa

Msc Cybersecurity | Bsc(hons) Computing system |TryHackMe| |HackTheBox| | CompTIA Security+|

1 Use HTTPS

The first and most basic step to secure your API is to use HTTPS, the secure version of the HTTP protocol. HTTPS encrypts the data that is sent and received between the client and the server, preventing eavesdropping, tampering, and spoofing. HTTPS also enables the use of other security mechanisms, such as SSL certificates, tokens, and OAuth. To use HTTPS, you need to obtain a valid SSL certificate from a trusted authority, and configure your server to accept HTTPS requests. HTTPS may add some overhead to your API response time, but it is negligible compared to the benefits of encryption and authentication.

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Siva B ?

Sr. Java Full Stack Developer || Java8, Spring, Servlets, SpringMVC, Hibernate, SpringBoot, Microservices, Kafka, MySQL, PostGres, AWS, HTML, CSS, JavaScript, ReactJS, Angular, Docker, Git, IDE, Junit
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The best approach to secure your API without compromising performance involves implementing lightweight authentication mechanisms such as OAuth2 or API keys. Utilizing token-based authentication ensures secure access while minimizing overhead. Employing HTTPS encryption is essential to protect data transmitted between clients and servers, ensuring confidentiality and integrity without significantly impacting performance. Implementing rate limiting and throttling mechanisms can mitigate potential abuse or malicious attacks, safeguarding your API without introducing excessive latency or resource consumption.

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Bibek Thapa

Msc Cybersecurity | Bsc(hons) Computing system |TryHackMe| |HackTheBox| | CompTIA Security+|
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Securing your API without sacrificing performance is crucial for maintaining the integrity and availability of your services. Best practices: API Gateway: Utilize an API gateway for centralized authentication, authorization, and traffic management. API gateways can handle security concerns like rate limiting, caching, logging, and monitoring, offloading these tasks from individual services. Input Validation: Validate and sanitize user input to prevent injection attacks and other security vulnerabilities. However, avoid over-validation that could impact performance. Keep Dependencies Updated: Regularly update libraries, frameworks, and dependencies to patch security vulnerabilities and benefit from performance improvements and optimizations.

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Emmanuel Ryce ??Xermf-GTS

Cybersecurity Leader | Software Engineer | CIAM Expert | ISC2 CC | Agile PM | Microsoft Certified (x5) | Robotics & Tech Educator | Speaker (x5)
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Tomando en cuenta que la dirección del api generalmente se declara en un header de sesión, es importante declarar la dirección del api especificamente para el archivo en el que estes usando. Es decir no debemos importar todas las librerías de api en un archivo del cual solo necesitamos un json, y peor aún si declaramos el api en un archivo que ni es necesario. Una vez definidos estos criterios procedemos a la seguridad del api por medio de https, ya que el http no es seguro por temas de que no utiliza cifrados. Si tomamos en cuenta esto reduciremos el desgaste de poder de nuestros servidores. Recordando que cada milisegundo tiene un costo si es en la nube??

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2 Implement authentication and authorization

Authentication and authorization are two essential aspects of API security, as they determine who can access your API and what they can do with it. Authentication verifies the identity of the user or the application that is making the request, while authorization checks the permissions and roles of the authenticated user or application. There are different methods and protocols to implement authentication and authorization, such as basic authentication, API keys, tokens, and OAuth. The choice depends on the level of security and complexity that you need for your API. However, some general principles are to avoid sending credentials in plain text, use short-lived and revocable tokens, and apply the principle of least privilege.

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Rajesh Kumar

Engineering Manager @ Fold Health | Java | Springboot | Microservices | Distributed System | Event Driven System | BIT Mesra
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The authentication and authorization can be implemented using text based standards like OAuth2.0 at web server level like nginx. 1. This offloads the verification to auth server and removes load from our app server. 2. The application doesn't need to store sensitive info like user/password etc. which removes load from DB. 3. The oauth2.0 tokens are stateless so we can directly validate the tokens and don't need to maintain state for them.

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Emmanuel Ryce ??Xermf-GTS

Cybersecurity Leader | Software Engineer | CIAM Expert | ISC2 CC | Agile PM | Microsoft Certified (x5) | Robotics & Tech Educator | Speaker (x5)
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En el uso de las api esta la oportunidad de utilizarlas de manera segura con el uso de usuarios y contrase?as y certidicados ssl. Yo recomiendo que para mantener robusto un api y más si es de una empresa debes usar un username y password para dar autenticidad e integridad. A esto le a?adimos un bearer token que es un token que caduxa luego de ciertas horas, yo recomendaria no usar un token bearer con límite de uso de más de 1 hora. Esto que significa? Que si te autenticaste que el token expire luego de una hora si no fue utilizado correctamente. Esto nos garantiza CIA.

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3 Validate input and output

Another common source of API vulnerabilities is the lack of input and output validation. Input validation ensures that the data that is sent to your API is valid, complete, and consistent with your expectations. Output validation ensures that the data that is returned from your API is accurate, relevant, and formatted correctly. Input and output validation can help you prevent various types of attacks, such as injection, cross-site scripting, buffer overflow, and denial-of-service. To perform input and output validation, you can use schemas, filters, sanitizers, parsers, and error handlers.

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4 Limit and monitor requests

A well-designed API should be able to handle a large number of requests without compromising its performance and availability. However, there are scenarios where your API may face excessive or malicious requests that can overload your server and affect your service quality. To prevent this, you can implement rate limiting and throttling mechanisms that control the frequency and volume of requests that your API can accept from a single source or client. You can also monitor your API traffic and performance metrics, such as response time, error rate, and throughput, to detect any anomalies or issues that may indicate an attack or a malfunction.

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5 Encrypt and backup data

Finally, securing your API also means securing the data that your API processes and stores. Data encryption is a technique that transforms your data into an unreadable form, using a secret key or algorithm. Data encryption can protect your data from unauthorized access, both in transit and at rest. Data backup is a technique that creates a copy of your data, either on a different location or device. Data backup can protect your data from accidental or intentional deletion, corruption, or loss. To encrypt and backup your data, you can use various tools and services, such as encryption libraries, cloud storage, and backup software.

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Emmanuel Ryce ??Xermf-GTS

Cybersecurity Leader | Software Engineer | CIAM Expert | ISC2 CC | Agile PM | Microsoft Certified (x5) | Robotics & Tech Educator | Speaker (x5)
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Muchas organizaciones utilizan apis como jsom para almacenar datos como un diccionario json. Por que usan json y no sql?? Porque el Json es mas rápido de procesar. Una vez esto definido y claro? El diccionario de un api es poderoso por que nos permite almacenar información y procesarla rápidamente y por ende tenemos que buscar estrategias de proteger esa información viable. Sabemos que si se almacena información hay veces que no hay cambios y a eso le llamamos at REST, entonces es importante cifrar nuestra data almacenada con buenas prácticas de encriptacion con llaves publicas o privadas según las necesidades de tu api, y más si es un api privado??

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6 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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Tejaswini Kavuru
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I think setting appropriate security headers in API responses to prevent common security threats such as cross-site scripting (XSS) and clickjacking. It’s essential to strike a balance between security and performance to ensure a seamless user experience.

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Florian Tchomga

Je développe vos applications web & mobile ?? | Gagnez en efficacité et performance | Spécialiste Fullstack (React, Node.js, Cloud) pour des solutions sur mesure ?? | ?? Prêt à relever vos défis technologiques ?
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La protection CORS (Cross-Origin Resource Sharing) est essentielle pour sécuriser les interactions entre les navigateurs et les serveurs lors des requêtes d’origines multiples.

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What's the best way to secure your API without sacrificing performance?

1

2

3

4

5

6

1 Use HTTPS

2 Implement authentication and authorization

3 Validate input and output

4 Limit and monitor requests

5 Encrypt and backup data

6 Here’s what else to consider

Computer Science

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What's the best way to secure your API without sacrificing performance?

1

2

3

4

5

6

1 Use HTTPS

2 Implement authentication and authorization

3 Validate input and output

4 Limit and monitor requests

5 Encrypt and backup data

6 Here’s what else to consider

Computer Science

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