Step-by-step explanation:
When it comes to selecting an operating system for a tight security house, the primary consideration should be the security features and capabilities of the operating system. Based on that, here are three possible options:
Qubes OS: Qubes OS is an open-source operating system that uses a security model called "Security by Compartmentalization." It is designed to provide strong isolation between different applications and prevent the spread of malware. Qubes OS creates multiple virtual machines (VMs) for different tasks, and each VM is isolated from the others. This approach makes it difficult for an attacker to compromise the entire system.
Tails: Tails is a privacy-focused operating system that is designed to be run from a USB drive. It routes all internet traffic through the Tor network, which helps users stay anonymous online. Tails also uses full disk encryption, and it does not leave any trace of user activity on the host computer.
Ubuntu: Ubuntu is a popular Linux-based operating system that is known for its strong security features. It has a built-in firewall, full disk encryption, and it is updated regularly with security patches. Additionally, Ubuntu has a large user community, which means that there are plenty of resources available for troubleshooting and support.
Ultimately, the best operating system for a tight security house will depend on the specific security requirements and use cases of the house. It is important to conduct a thorough risk assessment and consult with a security professional to determine the most appropriate operating system and security controls for the environment.