While Linux distributions like Kali Linux and Parrot OS are highly favored by the security community due to their open-source nature and pre-installed toolkits, it is a misconception that hackers exclusively use Linux. Malicious actors and ethical hackers alike utilizeall operating systems, including Windows, macOS, and mobile platforms (Android/iOS), depending on their specific objectives.
The choice of operating system is often driven by the "Target Environment." For example:
Windows: Many hackers use Windows because it is the most prevalent OS in corporate environments. To develop effective exploits for Windows-based active directories or software, it is often necessary to work within a Windows environment using tools like PowerShell and the .NET framework.
macOS: This platform is popular among researchers and developers due to its Unix-based core combined with a high-end commercial interface, allowing for a seamless transition between development and security tasks.
Linux: Linux remains the "OS of choice" for heavy networking tasks, server-side exploits, and automated scripts because of its transparency and the power of its terminal.
Furthermore, hackers often use specialized hardware or mobile devices to conduct "War Driving" (scanning for Wi-Fi) or "Skimming" attacks. In a modern penetration test, a professional might use a Linux machine for reconnaissance, a Windows machine for testing Active Directory vulnerabilities, and a mobile device for testing application security. An effective hacker must be cross-platform proficient, understanding the unique vulnerabilities and command-line interfaces of every major operating system to successfully navigate a target's network.