CompTIA Security+ SY0-501 Acronyms, Ports and Services

Triple-Data Encryption Standard

Authentication Authorization Accounting

Attribute-based Access Control

Access Control List

Active Directory

Advanced Encryption Standard

Authentication Header, see IPsec

Annualized Loss Expectancy

Access Point

Advanced Persistent Threat

Annualized Rate of Occurrence

Address Resolution Protocol

Authentication Server

Acceptable Use Policy

Asset Value

Business Continuity Planning

Business Impact Analysis, compare with PIA

Basic Input/Output System

Business Partners Agreement

Bring Your Own Device

Certificate Authority

Common Access Card

Cloud Access Security Broker

Cipher Block Chaining

Counter Mode with Cipher Block Chaining Message Authentication Code Protocol

Closed-Circuit Television

Canonical Encoding Rules

Challenge Handshake Authentication Protocol

Confidentiality, Integrity and Availability

Cyber-Incident Response Team

Continuity of Operations

Corporate-Owned, Personally Enabled

Certificate Revocation List

Certificate Signing Request

Counter Mode

Choose Your Own Device

Discretionary Access Control

Distributed Control System

Distributed Denial-of-Service

Data Execution Prevention

Distinguished Encoding Rules

Data Encryption Standard

Dynamic Host Configuration Protocol

Domain Information Groper

Data Loss Prevention

Demilitarized Zone

Domain Name System

Domain Name System Security Extensions

Denial-of-Service

Disaster Recovery Plan (IT)

Digital Signature Algorithm

Domain Validation (Certificate)

Evaluation Assurance Level

Extensible Authentication Protocol

EAP-Flexible Authentication via Secure Tunneling

Extensible Authentication Protocol-Transport Layer Security

Extensible Authentication Protocol-Tunneled Transport Layer Security

Electronic Codebook

Elliptic Curve Cryptography

Exposure Factor

Enterprise Information Security Architecture

Electromagnetic Interference

Electromagnetic Pulse

Electrostatic Discharge

Encapsulating Security Payload, see IPsec

Extended Validation (Certificate)

False Acceptance Rate

Fibre Channel

Full Disk Encryption

False Rejection Rate

File Transfer Protocol

File Transfer Protocol Secure

Galois/Counter Mode

Group Policy Object

Global Positioning System

High Availability

Host-based Intrusion Detection System

Health Insurance Portability and Accountability Act

Host-based Intrusion Prevention System

Hash-based Message Authentication Code

HMAC-based One-Time Password

Hardware Security Module. compare with TPM

Hypertext Transfer Protocol Secure

Heating, Ventilation, and Air Conditioning

lnfrastructure as a Service

Internet Control Message Protocol

Industrial Control System

Intrusion Detection System

An authentication protocol used in wired and wireless networks

Internet Engineering Task Force

Internet Group Management Protocol (IPv4)

Internet Message Access Protocol version 4

Identity Management System

Internet of Things

Internet Protocol

Intrusion Prevention System

Internet Protocol Security

Incident Response Plan

Interconnection Security Agreement

Internet Small Computer Systems Interface

Initialization Vector

Key Distribution Center

Layer 2 Tunneling Protocol

Lightweight Directory Access Protocol, port 389

Lightweight Directory Access Protocol Secure, port 636

Lightweight Extensible Authentication Protocol

Mandatory Access Control

Media Access Control

Message Authentication Code, see also HMAC

Mobile Application Management

Message Digest 5

Mobile Device Management

Multi-Function Devices

Multipurpose Internet Mail Extension

Man-In-The-Middle

Multicast Listener Discovery (IPv6)

Multimedia Messaging Service

Memorandum of Agreement

Memorandum of Understanding

Microsoft Challenge Handshake Authentication Protocol version 2

Mean Time Between Failure

Mean Time To Failure

Mean Time To Recover

Network-as-a-Service

Network Access Control

Network Attached Storage

Network Address Translation

Non-Disclosure Agreement

Near Field Communication

Network Interface Card

Network-based Intrusion Detection System

Network-based Intrusion Prevention System

New Technology LAN Manager

Network Time Protocol, port 123

Online Certificate Status Protocol

Open Systems Interconnection 7-layer model

One-Time Password

Platform as a Service

Password Authentication Protocol

Port Address Translation

Payment Card Industry Data Security Standard

Protected Extensible Authentication Protocol

Privacy Enhanced Mail

Perfect Forward Secrecy

Personal Information Exchange

Pretty Good Privacy

Personal Health Information

Privacy Impact Assessment, compare with BIA

Personally Identifiable Information

Personal Identification Number

Personal Identity Verification

Public Key Cryptographic Standards

Public Key Infrastructure

Post Office Protocol version 3, port 110

Point-to-Point Protocol

Point-to-Point Tunneling Protocol

Pre-shared key

Registration Authority

Remote Authentication Dial-In User Service

Redundant Array of Inexpensive/Independent Disk

Remote Access Service

Remote Access Trojan

Remote Administration Tool

Rivest Cipher 4 - symmetric stream cipher

Remote Desktop Protocol, port 3389

Radio-Frequency Interference

Radio-Frequency Identification

RACE Integrity Primitives Evaluation Message Digest

Risk Management Framework

Role-based Access Control

Rotate by 13 places - substitution cipher

RPC Remote Procedure Call

Recovery Point Objective

Rivest, Shamir, and Adleman - asymmetric cipher

Rapid Spanning Tree Protocol

Recovery Time Objective

Real-Time Operating System

Real Time Protocol

Rule-based Access Control

Secure/Multipurpose Internet Mail Extensions

Software as a Service

Security Assertion Markup Language

Storage Area Network

Subject Alternative Name (Certificate)

Supervisory Control And Data Acquisition

Secure Copy Protocol

Software Development Life Cycle

Software Defined Network

Self-Encrypting Drive

Secure/SSH File Transfer Protocol

Secure Hash Algorithm

Security Information and Event Management

Service Level Agreement

Single Loss Expectancy

Short Message Service

Simple Mail Transfer Protocol

Simple Network Management Protocol version 3

System on a Chip

Security Operations Center

Small Office / Home Office

Standard Operating Procedure

Stateful Packet Inspection

Structured Query Language

Secure Real-Time Transport Protocol

Secure Shell - TCP port 22

Service Set Identifier

Secure Sockets Layer

Single Sign-On

Spanning Tree Protocol

Terminal Access Controller Access-Control System Plus

Transmission Control Protocol

Transmission Control Protocol/Internet Protocol

Ticket-Granting Ticket

Temporal Key Integrity Protocol

Transport Layer Security

Time-based One-Time Password

Trusted Platform Module

Unmanned Aerial Vehicles

User Datagram Protocol

Unified Extensible Firmware Interface

User Identifier

Uninterruptible Power Supply

Universal Serial Bus On-The-Go

Unified Threat Management

Virtual Desktop Infrastructure or Virtual Desktop Environment

Virtual Local Area Network

Virtual Machine

Virtual Machine Manager

Voice over IP

Virtual Private Network

Web Application Firewall

Wireless Access Point

Wired Equivalent Privacy

Wi-Fi Protected Access

Wi-Fi Protected Setup

Extensible Markup Language

Cross-Site Request Forgery

Cross-Site Scripting

FTP data transfer

FTP control / command

SSH Secure Shell , SFTP, SCP

TELNET

SMTP Simple Mail Transfer Protocol

TACACS login host protocol

DNS Domain Name System

DHCP Dynamic Host Configuration Protocol

TFTP trivial file transfer protocol

HTTP

KERBEROS authentication system

POP3 Post Office Protocol v3

NNTP Network News Transfer Protocol

NTP Network Time Protocol

RPC Remote Procedure Call

NetBIOS Network Basic I/O System

IMAP Internet Mail Access Protocol

SNMP Simple Network Management Protocol

SNMPTRAP Simple Network Management Protocol Trap

LDAP

HTTPS

CIFS / SMB Server Message Block

SMTPS Simple Mail Transfer Protocol over SSL/TLS

Syslog

LDAPS Lightweight Directory Access Protocol over TLS/SSL

iSCSI internet Small Computer Systems Interface

FTPS, FTP over TLS/SSL, data

FTPS, FTP over TLS/SSL, control

IMAPS4, Internet Message Access Protocol over TLS/SSL

POP3S, Post Office Protocol 3 over TLS/SSL

MS-SQL Service

L2TP Layer 2 Tunneling Protocol

PPTP Point-to-Point Tunneling Protocol

RADIUS

RDP Remote Desktop Protocol

Diameter

Syslog over TLS

TCP 20

TCP 21

TCP 22

TCP 23

TCP 25/587

TCP/UDP 49

TCP/UDP 53

UDP 67,68

UDP 69

TCP 80

TCP 88

TCP 110

TCP 119

UDP 123

TCP/UDP 135

TCP/UDP 137-139

TCP 143

UDP 161

TCP/UDP 162

TCP 389

TCP 443

TCP 445

TCP 465

UDP 514

TCP 636

TCP 860

TCP/UDP 989

TCP/UDP 990

TCP 993

TCP 995

TCP 1433

UDP 1701

TCP 1723

UDP 1812/1813

TCP/UDP 3389

TCP 3868

TCP 6514