24 7

24 hours a day, 7 days a week

3GPP

Third Generation Partnership Project

ADSL

asymmetric digital subscriber line

AES

advanced encryption standard

AFR

automatic face recognition

AH

authentication header

AKA

authentication and key agreement

AMF

authentication management field

AN

access network

ANX

Automotive Network Exchange

API

application processing interface

ASP

application service provider

AuC

authentication centre

AUTN

authentication token

AUTS

re-synchronisation token

AV

authentication vector

BITS

bump in the stack

BITW

bump in the wire

CA

certification authority

CAMEL

customised applications for mobile network enhanced logic

CAP

CAMEL application part

CCK

common cipher key

CDb

certificate database

CERT

computer emergency response team

CESG

Communications-Electronics Security Group

CFB

customer-focused billing

CHTML

compact HTML

CK

cipher key

CN

core network

CNI

critical national infrastructure

CORBA

Common Object Request Broker Architecture

CP

certificate policy

CPS

certificate practices statement

CRL

certificate revocation list

CRS

certificate request syntax

CS

circuit switched

CSCF

call state control function

CSR

certificate signing request

CSS

customer service system

CTL

certificate trust list

CUG

closed user group

Cx

CSCF/HSS interface

DAS

digital archiving server

DCK

derived cipher key

DCOM

distributed component object model

DDOS

distributed denial of service

DECT

digital enhanced cordless telecommunications

DES

Data Encryption Standard

DMO

direct mode operation

DNS

domain name system

DPD

delegated path discovery

DPV

delegated path validation

DSV

dynamic signature verification

DVLA

Driver and Vehicle Licensing Agency (UK)

ebXML

eBusiness XML

ECA

Electronic Communications Act (UK)

EE

end entity

EESSI

European Electronic Signature Standardisation Initiative

EJB

Enterprise Java Bean

EMW

enterprise...