Security+ Acronyms

Front 1

ARO

Back 1

Annualized Rate of Occurance

Front 2

SLE

Back 2

Single Loss Expectancy

Front 3

ALE

Back 3

Annual Loss Expectancy

Front 4

RAT

Back 4

Remote Access Trojan

Front 5

AAA

Back 5

Authentication, Authorization, and Accounting

Front 6

ABAC

Back 6

Attribute-based access control

Front 7

ACL

Back 7

Access Control List

Front 8

AES

Back 8

Advanced Encryption Standard

Front 9

AH

Back 9

Authentication Header

Front 10

APT

Back 10

Advanced persistent threat

Front 11

BPA

Back 11

Business Partners Agreement

Front 12

BYOD

Back 12

Bring your own device

Front 13

CA

Back 13

Certificate Authority

Front 14

CAC

Back 14

Common Access Card

Front 15

CBC

Back 15

Cipher Block Chaining

Front 16

CCMP

Back 16

Counter Mode with Cipher Block Chaining Message Authentication Code Protocol

Front 17

CER

Back 17

Canonical Encoding Rules

Front 18

CHAP

Back 18

Challenge Handshake Authentication Protocol

Front 19

COPE

Back 19

Corporate-owned, personally enabled

Front 20

CRL

Back 20

Certificate revocation list

Front 21

CSR

Back 21

Certificate signing request

Front 22

CTM

Back 22

Counter mode

Front 23

CYOD

Back 23

Choose your own device

Front 24

DAC

Back 24

Discretionary access control

Front 25

DDoS

Back 25

Distributed denial-of-service

Front 26

DER

Back 26

Distinguished Encoding Rules

Front 27

DES

Back 27

Data Encryption Standard

Front 28

DH

Back 28

Diffie-Hellman

Front 29

DLP

Back 29

Data loss prevention

Front 30

DMZ

Back 30

Demilitarized zone

Front 31

DNS

Back 31

Domain Name System

Front 32

DNSSEC

Back 32

Domain Name System Security Extensions

Front 33

DSA

Back 33

Digital signature algorithm

Front 34

EAP

Back 34

Extensible Authentication Protocol

Front 35

EAP-FAST

Back 35

EAP-Flexible Authentication via Secure Tunneling

Front 36

EAP-TLS

Back 36

Extensible Authentication Protocol-Transport Layer Security

Front 37

EAP-TTLS

Back 37

Extensible Authentication Protocol-Tunneled Transport Layer Security

Front 38

ECB

Back 38

Electronic Codebook

Front 39

EMI

Back 39

Electromagnetic interference

Front 40

EMP

Back 40

Electromagnetic pulse

Front 41

ESP

Back 41

Encapsulating Security Payload

Front 42

FAR

Back 42

False acceptance rate

Front 43

FDE

Back 43

Full disk encryption

Front 44

FRR

Back 44

False rejection rate

Front 45

FTPS

Back 45

File Transfer Protocol Secure

Front 46

GCM

Back 46

Galois/Counter Mode

Front 47

GPO

Back 47

Group Policy Object

Front 48

GPS

Back 48

Global Positioning System

Front 49

HIDS

Back 49

Host-based intrusion detection system

Front 50

HMAC

Back 50

Hash-based Message Authentication Code

Front 51

HOTP

Back 51

HMAC-based One-time Password

Front 52

HSM

Back 52

Hardware security module

Front 53

HTTPS

Back 53

Hypertext Transfer Protocol Secure

Front 54

HVAC

Back 54

Heating, ventilation, and air conditioning

Front 55

IaaS

Back 55

Infrastructure as a Service

Front 56

ICS

Back 56

Industrial control system

Front 57

IMAP4

Back 57

Internet Message Access Protocol v4.

Front 58

IRP

Back 58

Incident response plan

Front 59

IoT

Back 59

Internet of things

Front 60

IPsec

Back 60

Internet Protocol security

Front 61

ISA

Back 61

Interconnection security agreement

Front 62

IV

Back 62

Initialization vector

Front 63

KDC

Back 63

Key Distribution Center

Front 64

LDAP

Back 64

Lightweight Directory Access Protocol

Front 65

LDAPS

Back 65

Lightweight Directory Access Protocol Secure

Front 66

MAC

Back 66

Mandatory Access Control

or

Media Access Control

Front 67

MD5

Back 67

Message Digest 5

Front 68

MDM

Back 68

Mobile Device Management

Front 69

MFD

Back 69

Muli-function device

Front 70

MMS

Back 70

Multimedia Messaging Service

Front 71

MOU

Back 71

Memorandum of understanding

Front 72

MOA

Back 72

Memorandum of agreement

Front 73

MS-CHAPv2

Back 73

Microsoft Challenge Handshake Authentication Protocol version 2

Front 74

MTBF

Back 74

Mean time between failures

Front 75

MTTR

Back 75

Mean time to recover

Front 76

NAC

Back 76

Network access control

Front 77

NAT

Back 77

Network Address Translation

Front 78

NDA

Back 78

Non-disclosure agreement

Front 79

NFC

Back 79

Near field communication

Front 80

NIDS

Back 80

Network-based intrusion detection system

Front 81

NIPS

Back 81

Network-based intrusion protection system

Front 82

NIST

Back 82

National Institute of Standards and Technology

Front 83

NTLM

Back 83

New Technology LAN Manager

Front 84

OCSP

Back 84

Online Certificate Status Protocol

Front 85

PaaS

Back 85

Platform as a Service

Front 86

PAP

Back 86

Password Authentication Protocol

Front 87

PBKDF2

Back 87

Password-based Key Derivation Function 2

Front 88

PEAP

Back 88

Protected Extensible Authentication Protocol

Front 89

PEM

Back 89

Privacy Enhanced Mail

Front 90

PFX

Back 90

Personal Information Exchange

Front 91

PHI

Back 91

Personal Health Information

Front 92

PII

Back 92

Personally Identifiable Information

Front 93

PIV

Back 93

Personal Identity Verification card.

Front 94

POP3

Back 94

Post Office Protocol version 3

Front 95

PSK

Back 95

Pre-shared key

Front 96

PKI

Back 96

Public Key Infrastructure

Front 97

RADIUS

Back 97

Remote Authentication Dial-In User Service

Front 98

RAID

Back 98

Redundant array of inexpensive disks

Front 99

RAT

Back 99

Remote access Trojan

Front 100

RC4

Back 100

Rivest Cipher 4

Front 101

RFID

Back 101

Radio-frequency identification

Front 102

RIPEMD

Back 102

RACE Integrity Primitives Evaluation Message Digest

Front 103

RPO

Back 103

Recovery Point Objective

Front 104

RSA

Back 104

Rivest,Shamir, and Adleman

(asymmetric encryption algorithm)

Front 105

RSTP

Back 105

Rapid Spanning Tree Protocol

Front 106

RTO

Back 106

Recovery time objective

Front 107

RTOS

Back 107

Real-time operating system

Front 108

rule-BAC

Back 108

Rule-based access control

Front 109

SaaS

Back 109

Software as a Service

Front 110

SAML

Back 110

Security Assertion Markup Language

Front 111

SATCOM

Back 111

Satellite Communications

Front 112

SCADA

Back 112

Supervisory control and data acquisition

Front 113

SDN

Back 113

Software defined network

Front 114

SED

Back 114

Self-encrypting drive

Front 115

SFTP

Back 115

Secure File Transfer Protocol

Front 116

SHA

Back 116

Secure Hash Algorithm

Front 117

SIEM

Back 117

Security information and event management

Front 118

SLA

Back 118

Service level agreement

Front 119

SLE

Back 119

Single loss expectancy

Front 120

S/MIME

Back 120

Secure/Multipurpose Internet Mail Extensions

Front 121

SMS

Back 121

Short Message Service

Front 122

SNMP

Back 122

Simple Network Management Protocol

Front 123

SoC

Back 123

System on a chip

Front 124

SRTP

Back 124

Secure Real-time Transport Protocol

Front 125

SSH

Back 125

Secure Shell

Front 126

SSID

Back 126

Service set identifier

Front 127

SSL

Back 127

Secure Sockets Layer

Front 128

SSO

Back 128

Single sign-on

Front 129

STP

Back 129

Spanning Tree Protocol

Front 130

TACACS+

Back 130

Terminal Access Controller Access-Control System Plus

Front 131

TKIP

Back 131

Temporal Key Integrity Protocol

Front 132

TLS

Back 132

Transport Layer Security

Front 133

TOTP

Back 133

Time-based One-Time Password

Front 134

TPM

Back 134

Trusted Platform Module

Front 135

UAV

Back 135

Unmanned aerial vehicle

Front 136

UEFI

Back 136

Unified Extensible Firmware Interface

Front 137

USB OTG

Back 137

Universal Serial Bus On-the-Go

Front 138

UTM

Back 138

Unified threat management

Front 139

VDI

Back 139

Virtual desktop infrastructure

Front 140

VDE

Back 140

Virtual desktop environment

Front 141

VLAN

Back 141

Virtual Local Area Network

Front 142

VM

Back 142

Virtual machine

Front 143

VPN

Back 143

Virtual private network

Front 144

WPA

Back 144

Wifi protected access

Front 145

WPS

Back 145

Wifi protected setup

Front 146

XML

Back 146

Extensible Markup Language