Glossary O
open vulnerability and assessment language (oval)

Open Vulnerability and Assessment Language (OVAL)

A language for representing system configuration information, assessing machine state, and reporting assessment results.See CNSSI 4009-2015 under open vulnerability assessment language (OVAL) NIST SP 800-126 ...

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O

O

Output BlockSee NIST SP 800-20 for more information.

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Operating System

Operating System

The software “master control application” that runs the computer. It is the first program loaded when the computer is turned on, and its main component, ...

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Object

Object

Passive information system-related entity (e.g., devices, files, records, tables, processes, programs, domains) containing or receiving information. Access to an object (by a subject) implies access ...

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Object Identifier (OID)

Object Identifier (OID)

A specialized formatted number that is registered with an internationally recognized standards organization. The unique alphanumeric/numeric identifier registered under the ISO registration standard to reference ...

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Octet

Octet

A string of eight bits. Often referred to as a byte. See the following under Octet for more information: NIST SP 800-38F. NIST SP 800-38C. A group of eight ...

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One-to-Many

One-to-Many

Of or relating to biometric identification in which submitted feature data is compared with that of all enrolled identities. See  NIST SP 800-76-2 under One-to-many for more information.  See ...

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One-to-One

One-to-One

Of or relating to biometric verification in which submitted feature data is compared with that of one, claimed, identity. See NIST SP 800-76-2 for more information. See also One-to-Many ...

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OCSP

OCSP

Online Certificate Status ProtocolAn online protocol used to determine the status of a public key certificate.  See FIPS 201 [version unknown] RFC 2560 for more information. 

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OpenPGP

OpenPGP

Open Pretty Good PrivacyA protocol defined in IETF RFCs 2440 and 3156 for encrypting messages and creating certificates using public key cryptography. Most mail clients ...

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Operating System Virtualization

Operating System Virtualization

A virtual implementation of the operating system interface that can be used to run applications written for the same operating system.See NIST SP 800-190 from ...

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