The auditing and security engineering abilities have allowed it to obtain the Evaluation Assurance Level (EAL) 6 rating by the National Security Agency (NSA).[3] The Target of Evaluation (TOE) Architecture in the Security Target for the evaluation excludes components such as those for file system and networking, from the definition of the TOE, focusing almost solely on the core kernel.[4] Other operating systems, such as Windows, macOS or Linux, though evaluated at lower levels of assurance, generally include these abilities within their TOE.
Supported processor architectures
The INTEGRITY Architecture Support Package (ASP) provides support for many processor families: