CompTIA Security+ ACRONYMS

AAA

Authentication, Authorization, and Accounting

ACL

Access Control List

AES

Advanced Encryption Standard

AES-256

Advanced Encryption Standard 256-bit

AH

Authentication Header

AI

Artificial Intelligence

AIS

Automated Indicator Sharing

ALE

Annualized Loss Expectancy

AP

Access Point

API

Application Programming Interface

APT

Advanced Persistent Threat

ARO

Annualized Rate of Occurrence

ARP

Address Resolution Protocol

ASLR

Address Space Layout Randomization

ATT&CK

Adversarial Tactics, Techniques, & Common Knowledge

AUP

Acceptable Use Policy

AV

Antivirus

BASH

Bourne Again Shell

BCP

Business Continuity Planning

BGP

Border Gateway Protocol

BIA

Business Impact Analysis

BIOS

Basic Input/Output System

BPA

Business Partners Agreement

BPDU

Bridge Protocol Data Unit

BYOD

Bring Your Own Device

CA

Certificate Authority

CAPTCHA

Completely Automated Public Turing Test To Tell Computers and Humans Apart

CAR

Corrective Action Report

CASB

Cloud Access Security Broker

CBC

Cipher Block Chaining

CCMP

Counter-Mode/CBC-Mac Protocol

CCTV

Closed Circuit Television

CFB

Cipher Feedback

CHAP

Challenge Handshake Authentication Protocol

CIA

Confidentiality, Integrity, Availability

CIO

Chief Information Officer

CIRT

Computer Incident Response Team

CMS

Content Management System

COOP

Continuity of Operations Planning

COPE

Corporate Owned, Personally Enabled

CP

Contingency Planning

CRC

Cyclical Redundancy Check

CRL

Certificate Revocation List

CSO

Chief Security Officer

CSP

Cloud Service Provider

CSR

Certificate Signing Request

CSRF

Cross-Site Request Forgery

CSU

Channel Service Unit

CTM

Counter-Mode

CTO

Chief Technology Officer

CVE

Common Vulnerability Enumeration

CVSS

Common Vulnerability Scoring System

CYOD

Choose Your Own Device

DAC

Discretionary Access Control

DBA

Database Administrator

DDoS

Distributed Denial of Service

DEP

Data Execution Prevention

DES

Digital Encryption Standard

DHCP

Dynamic Host Configuration Protocol

DHE

Diffie-Hellman Ephemeral

DKIM

Domain Keys Identified Mail

DLL

Dynamic Link Library

DLP

Data Loss Prevention

DMARC

Domain Message Authentication Reporting and Conformance

DNAT

Destination Network Address Transaction

DNS

Domain Name System

DoS

Denial of Service

DPO

Data Privacy Officer

DRP

Disaster Recovery Plan

DSA

Digital Signature Algorithm

DSL

Digital Subscriber Line

EAP

Extensible Authentication Protocol

ECB

Electronic Code Book

ECC

Elliptic Curve Cryptography

ECDHE

Elliptic Curve Diffie-Hellman Ephemeral

ECDSA

Elliptic Curve Digital Signature Algorithm

EDR

Endpoint Detection and Response

EFS

Encrypted File System

ERP

Enterprise Resource Planning

ESN

Electronic Serial Number

ESP

Encapsulated Security Payload

FACL

File System Access Control List

FDE

Full Disk Encryption

FIM

File Integrity Management

FPGA

Field Programmable Gate Array

FRR

False Rejection Rate

FTP

File Transfer Protocol

FTPS

Secured File Transfer Protocol (TLS/SSL)

GCM

Galois Counter Mode

GDPR

General Data Protection Regulation

GPG

GNU Privacy Guard

GPO

Group Policy Object

GPS

Global Positioning System

GPU

Graphics Processing Unit

GRE

Generic Routing Encapsulation

HA

High Availability

HDD

Hard Disk Drive

HIDS

Host-based Intrusion Detection System

HIPS

Host-based Intrusion Prevention System

HMAC

Hashed Message Authentication Code