Cybersecurity and Networking Acronyms: Definitions and Key Concepts

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

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

HOTP

HMAC-based One-time Password

HSM

Hardware Security Module

HTML

Hypertext Markup Language

HTTP

Hypertext Transfer Protocol

HTTPS

Hypertext Transfer Protocol Secure

HVAC

Heating, Ventilation, Air Conditioning

IaaS

Infrastructure as a Service

IaC

Infrastructure as Code

IAM

Identity and Access Management

ICMP

Internet Control Message Protocol

ICS

Industrial Control Systems

IDEA

International Data Encryption Algorithm

IDF

Intermediate Distribution Frame

IdP

Identity Provider

IDS

Intrusion Detection System

IEEE

Institute of Electrical and Electronics Engineers

IKE

Internet Key Exchange

IM

Instant Messaging

IMAP

Internet Message Access Protocol

IoC

Indicators of Compromise

IoT

Internet of Things

IP

Internet Protocol

IPS

Intrusion Prevention System

IPSec

Internet Protocol Security

IR

Incident Response

IRC

Internet Relay Chat

IRP

Incident Response Plan

ISO

International Standards Organization

ISP

Internet Service Provider

ISSO

Information Systems Security Officer

IV

Initialization Vector

KDC

Key Distribution Center

KEK

Key Encryption Key

L2TP

Layer 2 Tunneling Protocol

LAN

Local Area Network

LDAP

Lightweight Directory Access Protocol

LEAP

Lightweight Extensible Authentication Protocol

MaaS

Monitoring as a Service

MAC

Mandatory Access Control

MAC

Media Access Control

MAC

Message Authentication Code

MAN

Metropolitan Area Network

MBR

Master Boot Record

MD5

Message Digest 5

MDF

Main Distribution Frame

MDM

Mobile Device Management

MFA

Multifactor Authentication

MFD

Multifunction Device

MFP

Multifunction Printer

ML

Machine Learning

MMS

Multimedia Message Service

MOA

Memorandum of Agreement

MOU

Memorandum of Understanding

MPLS

Multi-protocol Label Switching

MSA

Master Service Agreement

MSCHAP

Microsoft Challenge Handshake Authentication Protocol

MSP

Managed Service Provider

MSSP

Managed Security Service Provider

MTBF

Mean Time Between Failures

MTTF

Mean Time to Failure

MTTR

Mean Time to Recover

MTU

Maximum Transmission Unit

NAC

Network Access Control

NAT

Network Address Translation

NDA

Non-disclosure Agreement

NFC

Near Field Communication

NGFW

Next-generation Firewall

NIDS

Network-based Intrusion Detection System

NIPS

Network-based Intrusion Prevention System

NIST

National Institute of Standards and Technology