The National Computer Security Center, part of the National Security Agency, was established in 1981 and is responsible for testing and evaluating computer equipment for use in high security and/or confidential applications. NCSC is responsible for publishing the Orange Book and Red Book detailing trusted computing and network platform specifications. The two works are more formally known as the Trusted Computing System Evaluation Criteria, part of the Rainbow Series, however, they have largely been replaced by the Common Criteria. NSA seal The National Security Agency / Central Security Service (NSA/CSS) is believed to be the largest United States government intelligence agency[citation needed]. It is responsible for the collection and analysis of foreign communications and for the security of U.S. government communications against similar agencies elsewhere. ... Orange Book is an informal name for a number of official publications, including: FDA Center for Drug Evaluation and Research - Approved Drug Products with Therapeutic Equivalence Evaluations Trusted Computer System Evaluation Criteria Handbook of EBU Directives and Permitted Conventions Standards relating to CD-MO, CD-R and CD-RW are... Red Book has one of the following meanings. ... The introduction to this article provides insufficient context for those unfamiliar with the subject matter. ... The Rainbow Series (sometimes known as the Rainbow Books) is a series of computer security standards published by the United States government in the 1980s and 1990s. ... The Common Criteria (CC) is an international standard (ISO 15408) for computer security. ...

NCSC could also stand for the New College Student Council. The NCSC is an organization at the University of Toronto, Canada. It is responsible for student issues at New College and is known for organizing several events throughout the year, both social and academic. The NCSC website can be found here: http://ncsc.sa.utoronto.ca/