Linux Security Issues Beyond the Basic Operating System
While issues have been found within the Linux kernel, the majority of security vulnerabilities within Linux distributions are found within the applications and services that run on top of the kernel.
One of the main advantages of Linux is its structure as a multiuser operating system. When properly configured, Linux services run on nonprivileged accounts. If a malicious user breaks into one service, that user may gain access to the corresponding nonprivileged account. However, that user won’t have access to other accounts.
A GUI is also beyond the basic Linux operating system. If included, a GUI introduces a whole raft of additional security risks, discussed shortly.
Service Process Security ...
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