Public computer

A personal computer, in contrast, is typically used by a single responsible user, who can customize the machine's behavior to their preferences.

[2] It is possible for a patron to jeopardize their privacy if they do not delete cache, clear cookies, or documents from the public computer.

In order for a member of the public to remain private on a computer, the American Library Association (ALA) has guidelines.

However, the effectiveness of such content filtering systems is questionable since it can easily be circumvented by using proxy websites, Virtual Private Networks, and for some weak security systems, merely knowing the IP address of the intended website is enough to bypass the filter.

School computers often have advanced operating system security to prevent tech-savvy students from inflicting damage (i.e. the Windows Registry Editor and Task Manager, etc.)

Schools with very advanced tech services may also install a locked down BIOS/firmware or make kernel-level changes to the operating system, precluding the possibility of unauthorized activity.