O - Cybersecurity Glossary

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Glossary O

OID
Open Vulnerability and ...
O
Operating System
Object
Object Identifier (OID)
Octet
One-to-Many
One-to-One
OCSP
OpenPGP
Operating System Virtualization

OID

A globally unique identifier of a data object as defined in ISO/IEC 8824-2.See NIST SP 800-73-4 under Object Identifier for more information.

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 ...

O

Output BlockSee NIST SP 800-20 for more information.

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, ...

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 ...

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 ...

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 ...

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 ...

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 ...

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.

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 ...

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 ...