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  2. Northside Independent School District - Wikipedia

    en.wikipedia.org/wiki/Northside_Independent...

    nisd .net. Northside Independent School District is a school district headquartered in Leon Valley, Texas. [1] [2] It is the largest school district in the San Antonio area and the fourth largest [3] in the State of Texas. Northside serves 355 square miles (920 km 2) of urban landscape, suburban growth and rural territory in the San Antonio ...

  3. Sensitive compartmented information - Wikipedia

    en.wikipedia.org/wiki/Sensitive_compartmented...

    Sensitive compartmented information. Sensitive compartmented information ( SCI) is a type of United States classified information concerning or derived from sensitive intelligence sources, methods, or analytical processes. All SCI must be handled within formal access control systems established by the Director of National Intelligence.

  4. Classified information in the United States - Wikipedia

    en.wikipedia.org/wiki/Classified_information_in...

    The lower-level L clearance is sufficient for access to Secret Formerly Restricted Data and National Security Information, as well as Confidential Restricted Data and Formerly Restricted Data. In practice, access to Restricted Data is granted, on a need-to-know basis, to personnel with appropriate clearances.

  5. List of U.S. security clearance terms - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._security...

    T3 or T3R - Tier 3 or Tier 3 Reinvestigation, now replace all NACLC. T5 and T5R - Tier 5 or Tier 5 Reinvestigation, now replace SSBI and SBPR respectively. Yankee White – An investigation required for personnel working with the President and Vice President of the United States. Obtaining such clearance requires, in part, an SSBI.

  6. Navasota Independent School District - Wikipedia

    en.wikipedia.org/wiki/Navasota_Independent...

    Navasota Independent School District is a public school district based in Navasota, Texas ( USA) that enrolls approximately 3,000 students. The district encompasses 362.35 square miles (938.5 km 2 ), [citation needed] in southern Grimes and Brazos counties. [1] [2] In Grimes County it includes the City of Navasota along with Pinebrook ...

  7. Q clearance - Wikipedia

    en.wikipedia.org/wiki/Q_clearance

    Q clearance. Q clearance or Q access authorization is the U.S. Department of Energy (DOE) security clearance required to access Top Secret Restricted Data, Formerly Restricted Data, and National Security Information, as well as Secret Restricted Data. Restricted Data (RD) is defined in the Atomic Energy Act of 1954 and covers nuclear weapons ...

  8. Trusted Computer System Evaluation Criteria - Wikipedia

    en.wikipedia.org/wiki/Trusted_Computer_System...

    The Orange Book. Trusted Computer System Evaluation Criteria ( TCSEC) is a United States Government Department of Defense (DoD) standard that sets basic requirements for assessing the effectiveness of computer security controls built into a computer system. The TCSEC was used to evaluate, classify, and select computer systems being considered ...

  9. National Terrorism Advisory System - Wikipedia

    en.wikipedia.org/wiki/National_Terrorism...

    The National Terrorism Advisory System ( NTAS) is a terrorism threat advisory scale used by the US Department of Homeland Security since April 26, 2011. [1] [2] The NTAS is the replacement for the often-criticized, color-coded Homeland Security Advisory System introduced by the George W. Bush administration in 2002. [1]