The XTS-400™

The XTS-400 running the Secure Trusted Operating Program (STOP™) is a general purpose UNIX®-like system designed for use as a secure application host in situations where the value of the data to be guarded requires the utmost assurance of the security of the platform.

The XTS-400 is a major evolutionary step beyond DigitalNet’s previous line of highly Evaluated products, the XTS-300™. The XTS-300 was the most highly Evaluated general purpose operating system ever and the only one to undergo repeated National Security Agency led evaluations at the B-3 level. The XTS-400 uses the same designed for security architecture as the XTS-300 while adding support for contemporary hardware (Intel® Xeon™-based) application programs.

The XTS-400 was evaluated at the EAL 5 Augmented level on March 1, 2005. See http://niap.nist.gov/cc-scheme/vpl/vpl_type.html#operatingsystem.

The XTS and STOP are often used to implement guarding applications which examine data from a network at one level and making decisions about whether the data should be allowed to pass through to a system on a network of a differing level. The Guard application enforces pre-approved security rules based on data content and allows data to be passed through to a system on another network at a different level only if it meets the pre-defined criteria programmed into the Guard.

View the XTS-400 Datasheet

View the XTS-400 Trusted Computer System Technical Overview

View the Standard Automated Guard Environment(SAGE) Technical Overview

For further information:

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