Last Updated on 28 July 2023 by Daniel

It is challenging to definitively say which web server operating system (OS) is more secure, as security depends on various factors such as the server’s configuration, maintenance practices, and timely security updates.
However, some operating systems have gained a reputation for being more secure due to their design and community support:
- Linux: Linux distributions like Ubuntu, CentOS, and Debian are widely used for web servers. Linux is known for its strong security features, open-source nature, and active community support. It benefits from regular security updates and patches, making it a popular choice for hosting web services.
- OpenBSD: OpenBSD is a security-focused operating system known for its rigorous code auditing process and emphasis on security. It has a reputation for being one of the most secure operating systems available, although it might have more limited hardware and software support compared to Linux.
- Windows Server: Windows Server is Microsoft’s server operating system. While it has improved its security over the years, it has historically been the target of more malware and exploits compared to Linux or OpenBSD. However, with proper configuration and regular updates, it can still be a secure choice for hosting web servers.
Regardless of the OS, it’s essential to follow best practices for securing your web server, such as:
- Regularly applying security updates and patches.
- Configuring the server properly and disabling unnecessary services.
- Implementing strong access controls and using firewalls.
- Regularly monitoring logs for suspicious activity.
- Utilizing HTTPS with valid SSL certificates to encrypt web traffic.
Ultimately, the security of your web server relies on your ability to manage and maintain it securely, regardless of the operating system you choose.