Top 5 Cloud Security Best Practices for Erlang and Elixir Applications

Are you worried about the security of your Erlang and Elixir applications in the cloud? Well, you should be! With the increasing number of cyber attacks and data breaches, it's essential to take the necessary steps to secure your applications. In this article, we'll discuss the top 5 cloud security best practices for Erlang and Elixir applications.

1. Use HTTPS for all communication

HTTPS is a protocol that encrypts all communication between the client and the server. It's essential to use HTTPS for all communication, including websockets, REST APIs, and other communication channels. By using HTTPS, you can ensure that all data transmitted between the client and the server is encrypted and secure.

To enable HTTPS, you need to obtain an SSL certificate from a trusted certificate authority. You can either purchase an SSL certificate or use a free one from Let's Encrypt. Once you have the SSL certificate, you need to configure your web server to use HTTPS.

2. Use strong authentication and authorization mechanisms

Authentication and authorization are essential for securing your Erlang and Elixir applications. You need to ensure that only authorized users can access your application and its resources. You can use various authentication mechanisms, such as username and password, OAuth, and OpenID Connect.

In addition to authentication, you also need to implement authorization mechanisms to control access to your application's resources. You can use role-based access control (RBAC) or attribute-based access control (ABAC) to implement authorization.

3. Implement secure coding practices

Secure coding practices are essential for preventing security vulnerabilities in your Erlang and Elixir applications. You need to ensure that your code is free from common security vulnerabilities such as SQL injection, cross-site scripting (XSS), and cross-site request forgery (CSRF).

To implement secure coding practices, you can use various tools such as static code analysis tools, dynamic code analysis tools, and vulnerability scanners. You can also follow secure coding guidelines such as the OWASP Top 10 and the CERT Secure Coding Standards.

4. Use encryption for sensitive data

Encryption is essential for protecting sensitive data such as passwords, credit card numbers, and personal information. You need to ensure that all sensitive data is encrypted both at rest and in transit.

To encrypt data at rest, you can use various encryption algorithms such as AES, RSA, and SHA. You can also use database encryption to encrypt data stored in your database.

To encrypt data in transit, you can use HTTPS, SSL, or TLS. You can also use encryption libraries such as OpenSSL and NaCl to encrypt data in transit.

5. Regularly update and patch your software

Regularly updating and patching your software is essential for preventing security vulnerabilities in your Erlang and Elixir applications. You need to ensure that you're using the latest version of Erlang and Elixir and that all dependencies are up to date.

You also need to regularly monitor security vulnerabilities and patches for your operating system, web server, and other software components. You can use various tools such as vulnerability scanners and security advisories to monitor security vulnerabilities.


Securing your Erlang and Elixir applications in the cloud is essential for preventing cyber attacks and data breaches. By following the top 5 cloud security best practices discussed in this article, you can ensure that your applications are secure and protected. So, what are you waiting for? Start implementing these best practices today and secure your Erlang and Elixir applications in the cloud!

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