In contrast, proprietary vendors like Microsoft and Apple employ a method known as “security by obscurity”, where source code is hidden from outsiders in an attempt to conceal vulnerabilities from threat actors. Linux source code undergoes constant, thorough review by members of the vibrant, global open-source community and, as a result of this scrutiny, Linux security vulnerabilities are generally identified and eliminated very rapidly. Let’s take a closer look at each of these factors and how it contributes to the heralded security of Linux. The transparency of Linux source code means that vulnerabilities in it - which are inevitable to some degree in any OS - are almost always short-lived. It also implements a strict user privilege model and offers a selection of built-in kernel security defenses to safeguard against vulnerabilities and attacks. The increasingly popular open-source OS is high flexibility, configurable and diverse. Unlike proprietary OSes, Linux in many ways has security built into its core design. When it comes to security, Linux users are at a decided advantage over their Windows- or Mac- using counterparts. This article will examine the key factors that contribute to the robust security of Linux, and evaluate the level of protection against vulnerabilities and attacks that Linux offers administrators and users. The general consensus among experts is that Linux is a highly secure OS - arguably the most secure OS by design. After all, your OS is the most critical software running on your computer - it manages its memory and processes, as well as all of its software and hardware. It is no secret that the OS you choose is a key determinant of your security online.
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