4+) Trusted Solaris Trusted UNICOS 8.0 (Rated B1) XTS-400 (Rated EAL5+) IBM VM (SP, BSE, HPO, XA, ESA, etc.) with RACF Examples of operating systems that...

certification from an external security-auditing organization Trusted operating system, an operating system that provides sufficient support for multilevel security...

have achieved certification from an auditing organization, and trusted operating systems that provide sufficient support for multilevel security and evidence...

and its operating system. Assuring that an authentic operating system starts in a trusted environment, which can then be considered trusted. Provision...

An operating system (OS) is system software that manages computer hardware and software resources, and provides common services for computer programs...

operating system of macOS, iOS, watchOS, tvOS, iPadOS, audioOS, visionOS, and bridgeOS. It previously existed as an independent open-source operating...

Watch watchOS Apple TV tvOS Embedded operating systems bridgeOS Apple Vision Pro visionOS Embedded operating systems A/ROSE iPod software (unnamed embedded...

Trusted Solaris 8 was a security-focused version of the Solaris Unix operating system. Aimed primarily at the government computing sector, Trusted Solaris...

a system we must trust. This distinction is important because systems that need to be trusted are not necessarily trustworthy. An MLS operating environment...

from a trusted system. The dedication of significant system engineering toward minimizing the complexity (not size, as often cited) of the trusted computing...

Based on a small trusted computing base (TCB) security system Lack of address space switching. It is a highly flexible operating system with different configuration...

Android is an operating system based on a modified version of the Linux kernel and other open-source software, designed primarily for touchscreen-based...

computer stos, an opcode mnemonic in X86 assembly language Secure Trusted Operating System Consortium Štós, a village in Slovakia ST:TOS, an abbreviation...

program at the core of a computer's operating system that always has complete control over everything in the system. The kernel is also responsible for...

they operate at the same security level as the operating system itself, and are thus able to intercept or subvert the most trusted operating system operations...

combination of operating system kernel and trusted processes. The latter refers to processes which are allowed to violate the system's access-control...

computer) operating systems. The article "Usage share of operating systems" provides a broader, and more general, comparison of operating systems that includes...

Trusted Computing (TC) is a technology developed and promoted by the Trusted Computing Group. The term is taken from the field of trusted systems and...

computer operating systems from 1951 to the current day. For a narrative explaining the overall developments, see the History of operating systems. 1951...

Mach-derived Distributed Trusted Operating System, as well as on Trusted Mach, a research project from Trusted Information Systems that had an influence...

partitioning the operating system into verified assembly language that is required to be low-level and a trusted interface to rest of the operating system, written...

Trusted Solaris is a discontinued security-evaluated operating system based on Solaris by Sun Microsystems, featuring a mandatory access control model...

open-source capability-based operating system developed by Google. In contrast to Google's Linux-based operating systems such as ChromeOS and Android...

Trusted Computer System Evaluation Criteria (TCSEC) is a United States Government Department of Defense (DoD) standard that sets basic requirements for...

was deployed was 1.1b in 2003. Trusted Platform Module (TPM) was conceived by a computer industry consortium called Trusted Computing Group (TCG). It evolved...

other operating systems such as Darwin (the basis for macOS, iOS, iPadOS, watchOS, and tvOS), TrueNAS (an open-source NAS/SAN operating system), and the...

project in building an experimental microkernel-based object-oriented operating system (OS) developed at Sun Microsystems in the early 1990s. Using technology...

to the Xenix system. Trusted Xenix was a variant initially developed by IBM, under the name Secure XENIX; later versions, under the Trusted Xenix name,...

'Trusted' also means that there is no way to verify if that system is operating in your interests, hence the need to trust it. Corollary: if a system can...

iOS (formerly iPhone OS) is a mobile operating system created and developed by Apple for its iPhone line of smartphones. It was unveiled in January 2007...