Hardened OSes Boost E-commerce Security
A TOS is simply a security-hardened version of a standard OS. TOSes come in a variety of flavors, including Sun Solaris, Hewlett-Packard's HP-UX, IBM AIX, Linux, and Microsoft Windows NT. Trusted versions of these operating systems isolate key OS functions into separate compartments, limiting the ability of intruders to access and control critical parts of a computer system, as well as preventing administrators from making inadvertent, harmful changes.
The link for this article located at IT World is no longer available.