3 Definitions and Abbreviations

21.1333G security3GPPSecurity threats and requirementsTS

3.1 Definitions

For the purposes of the present document, the following definitions apply:

Access Control: The prevention of unauthorised use of a resource, including the prevention of use of a resource in an unauthorised manner [5].

Authentication: The provision of assurance of the claimed identity of an entity [6].

Cloning: The process of changing the identity of one entity to that of an entity of the same type, so that there are two entities of the same type with the same identity.

Confidentiality: The property of information that it has not been disclosed to unauthorised parties.

Integrity: The property of information that it has not been changed by unauthorised parties.

Key Management: The administration and use of the generation, registration, certification, deregistration, distribution, installation, storage, archiving, revocation, derivation and destruction of keying material in accordance with a security policy [7].

Law Enforcement Agency (LEA): An organisation authorised by a lawful authorisation, based on a national law, to receive the results of telecommunication interceptions [4].

Lawful Authorisation: Permission granted to an LEA under certain conditions to intercept specified telecommunications and requiring co-operation for a network operator or service provider. Typically this refers to a warrant or order issued by a lawfully authorised body [4].

Lawful Interception: The action (based on the law), performed by a network operator or service provider, of making available certain information and providing that information to a Law Enforcement Monitoring Facility [4].

Non-Repudiation Service: A security service which counters the threat of repudiation.

Repudiation: Denial by one of the parties involved in a communication of having participated in all or part of the communication [5].

3.2 Abbreviations

For the purposes of the present document, the following abbreviations apply:

GSM Global System for Mobile communications

HE Home Environment

IMEI International Mobile Equipment Identity

IMT-2000 International Mobile Telecommunications-2000

IMUI International Mobile User Identity

IP Internet Protocol

ISDN Integrated Services Digital Network

ITU International Telecommunications Union

N-ISDN Narrowband ISDN

PIN Personal Identification Number

PSTN Public Switched Telephone Network

SIM Subscriber Identity Module

SN Serving Network

TD-CDMA Time Division – Code Division Multiple Access

TMN Telecommunications Management Network

UICC Universal Integrated Circuit Card

UMTS Universal Mobile Telecommunication System

UPT Universal Personal Telecommunication

USIM User Services Identity Module

UTRAN UMTS Terrestrial Radio Access Network

VHE Virtual Home Environment

W-CDMA Wideband – Code Division Multiple Access