CompTIA CASP+ Acronyms

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2FA Two-Factor Authentication

3DES Triple Digital Encryption Standard

AAA Authentication, Authorization and Accounting

AAR After Action Report

ACL Access Control List

AD Active Directory

AES Advanced Encryption Standard

AH Authentication Header

AJAX Asynchronous JavaScript and XML

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

AUP Acceptable Use Policy

AV Antivirus

B2B Business-to-Business

BCP Business Continuity Planning

BGP Border Gateway Protocol

BIA Business Impact Analysis

BIOS Basic Input/Output System

BPA Business Partnership Agreement

BPM Business Process Management

BYOD Bring Your Own Device

CA Certificate Authority

CAPTCHA Completely Automated Public Turing test to tell Computers and Humans Apart

CASB Cloud Access Security Broker

CBC Cipher Block Chaining

CCMP Counter-Mode/CBC-Mac Protocol

CCTV Closed-Circuit Television

CERT Computer Emergency Response Team

CFB Cipher Feedback

CHAP Challenge Handshake Authentication Protocol

CIA Confidentiality, Integrity and Availability

CIFS Common Internet File System

CIRT Computer Incident Response Team

CISO Chief Information Security Officer

CLI Command Line Interface

CMDB Configuration Management Database

CMS Content Management System

COOP Continuity of Operations

COPE Corporate Owned, Personally Enabled

COTS Commercial Off-the-Shelf

CRC Cyclical Redundancy Check

CredSSP Credential Security Support Provider

CRL Certification Revocation List

CRM Customer Resource Management

CSP Cloud Service Provider

CSP Cryptographic Service Provider

CSRF Cross-Site Request Forgery

CTR Counter Mode

CVE Collaborative Virtual Environment

CYOD Choose Your Own Device

DAC Discretionary Access Control

DAM Database Activity Monitoring

DAR Data at Rest

DDoS Distributed Denial of Service

DEP Data Execution Prevention

DES Digital Encryption Standard

DHCP Dynamic Host Configuration Protocol

DKIM Domain Keys Identified Mail

DLL Dynamic Link Library

DLP Data Loss Prevention

DMZ Demilitarized Zone

DNS Domain Name Service

DOM Document Object Model

DoS Denial of Service

DRP Disaster Recovery Plan

DSA Digital Signature Algorithm

EAP Extensible Authentication Protocol

ECB Event Control Block

ECC Elliptic Curve Cryptography

EDR Endpoint Detection Response

EFS Encrypted File System

EMI Electromagnetic Interference

ERP Enterprise Resource Planning

ESA Enterprise Security Architecture

ESB Enterprise Service Bus

ESP Encapsulated Security Payload

EV Extended Validation (Certificate)

FDE Full Disk Encryption

FIM File Integrity Monitoring

FTP File Transfer Protocol

GPG GNU Privacy Guard

GPO Group Policy Object

GPU Graphic Processing Unit

GRC Governance, Risk and Compliance

GRE Generic Routing Encapsulation

GUI Graphical User Interface

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

HSTS HTTP Strict Transport Security

HVAC Heating, Ventilation and Air Conditioning

IaaS Infrastructure as a Service

ICMP Internet Control Message Protocol

ICS Industrial Control System

IDE Integrated Development Environment

IdM Identity Management

IdP Identity Provider

IDS Intrusion Detection System

IETF Internet Engineering Task Force

IKE Internet Key Exchange

IM Instant Messaging

IMAP Internet Message Access Protocol

INE Inline Network Encryptor

IOC Indicator of Compromise

IoT Internet of Things

IP Internet Protocol

IPMI Internet Protocol Multicast Initiative

IPS Intrusion Prevention Systems

IPSec Internet Protocol Security

IR Incident Response

IRC Internet Relay Chat

IS-IS Intermediate System to Intermediate System

ISA Interconnection Security Agreement

ISAC Information Sharing Analysis Center

ISMS Information Security Management System

ISP Internet Service Provider

IV Initialization Vector

JSON JavaScript Object Notation

KDC Key Distribution Center

KPI Key Performance Indicator

KRI Key Risk Indicator

KVM Keyboard, Video, Mouse

LAN Local Area Network

L2TP Layer 2 Tunneling Protocol

LDAP Lightweight Directory Access Protocol

LEAP Lightweight Extensible Authentication Protocol

LTE Long-Term Evolution

LUN Logical Unit Number

MAC Mandatory Access Control

MAC Media Access Control

MAC Message Authentication Code

MAM Mobile Application Management

MAN Metropolitan Area Network

MBR Master Boot Record

MD5 Message Digest 5

MDM Mobile Device Management

MEAP Mobile Enterprise Application Platform

MFA Multifactor Authentication

MFD Multifunction Device

MITM Man in the Middle

MOA Memorandum of Agreement

MOU Memorandum of Understanding

MPLS Multiprotocol Label Switching

MSA Master Service Agreement

MSCHAP Microsoft Challenge Handshake Authentication Protocol

MSS Managed Security Service

MSSP Managed Security Service Provider

MTA Message Transfer Agent

MTBF Mean Time Between Failure

MTD Maximum Tolerable Downtime

MTP Media Transfer Protocol

MTTR Mean Time to Recovery

MTU Maximum Transmission Unit

NAC Network Access Control

NAS Network Attached Storage

NAT Network Address Translation

NDA Non-Disclosure Agreement

NFC Near Field Communication

NFS Network File System

NGFW Next Generation Firewall

NIDS Network Intrusion Detection System

NIPS Network Intrusion Prevention System

NIST National Institute of Standards and Technology

NLA Network-Level Authentication

NOS Network Operating System

NSP Network Service Provider

NTFS New Technology File System

NTLM New Technology LAN Manager

NTP Network Time Protocol

OCSP Online Certificate Status Protocol

OLA Operating-Level Agreement

OOB Out-of-Band

OS Operating System

OSI Open Systems Interconnection

OSPF Open Shortest Path First

OTP One-Time Password

OVAL Open Vulnerability Assessment Language

OWASP Open Web Application Security Project

P2P Peer-to-Peer

PaaS Platform as a Service

PAP Password Authentication Protocol

PAT Port Address Translation

PBKDF2 Password-Based Key Derivation Function 2

PBX Private Branch Exchange

PCI-DSS Payment Card Industry Data Security Standard

PDP Policy Distribution Point

PEAP Protected Extensible Authentication Protocol

PEP Policy Enforcement Point

PFS Perfect Forward Secrecy

PGP Pretty Good Privacy

PII Personal Identifiable Information

PIP Policy Information Point

PIR Post Incident Report

PKI Public Key Infrastructure

PLC Programmable Logic Controller

POC Proof of Concept

POTS Plain Old Telephone Service

PPP Point-to-Point Protocol

PPTP Point-to-Point Tunneling Protocol

PSK Pre-Shared Key QA Quality Assurance

QoS Quality of Service

R&D Research and Development

RA Recovery Agent

RA Registration Authority

RADIUS Remote Authentication Dial-in User Server

RAID Redundant Array of Inexpensive/Independent Disks

RAS Remote Access Server

RBAC Role-Based Access Control

RBAC Rule-Based Access Control

RDP Remote Desktop Protocol

REST Representational State Transfer

RFC Request for Comments

RFI Request for Information

RFID Radio Frequency Identification

RFP Request for Proposal

RFQ Request for Quote

ROI Return on Investment

RPO Recovery Point Objective

RSA Rivest, Shamir and Adleman

RTBH Remotely Triggered Black Hole

RTO Recovery Time Objective

RTP Real-time Transport Protocol

S/MIME Secure/Multipurpose Internet Mail Extensions

SaaS Software as a Service

SAML Security Assertions Markup Language

SAN Subject Alternative Name

SAN Storage Area Network

SAS Statement on Auditing Standards

SATCOM Satellite Communications

SCADA Supervisory Control and Data Acquisition

SCAP Security Content Automation Protocol

SCEP Simple Certificate Enrollment Protocol

SCP Secure Copy SCSI Small Computer System Interface

SDL Security Development Life Cycle

SDLC Software Development Life Cycle

SED Self-Encrypting Drive

SELinux Security Enhanced Linux

SFTP Secure File Transfer Protocol

SHA Secure Hashing Algorithm

SIEM Security Information Event Management

SIM Subscriber Identity Module

SIP Session Initiation Protocol

SLA Service-Level Agreement

SLE Single Loss Expectancy

SMB Server Message Block

SMS Short Message Service

SMTP Simple Mail Transfer Protocol

SNAT Source Network Address Translation

SNMP Simple Network Management Protocol

SOA Service-Oriented Architecture

SOA Start of Authority

SOA Statement of Applicability

SOAP Simple Object Access Protocol

SOC Security Operations Center

SOC Service Organization Controls

SOE Standard Operating Environment

SOP Standard Operating Procedure

SOW Statement of Work

SOX Sarbanes-Oxley Act of 2002

SP Service Provider

SPIM Spam over Internet Messaging

SPML Service Provisioning Markup Language

SRTM Security Requirements Traceability Matrix

SRTP Secure Real-Time Protocol

SRV Service Records

SSD Solid State Drive

SSDLC Security System Development Life Cycle

SSH Secure Shell

SSID Service Set Identifier

SSL Secure Sockets Layer

SSO Single Sign-On

SSP Storage Service Provider

TACACS Terminal Access Controller Access Control System

TCO Total Cost of Ownership

TCP/IP Transmission Control Protocol/Internet Protocol

TKIP Temporal Key Integrity Protocol

TLS Transport Layer Security

TOC/TOU Time of Check/Time of Use

TOS Type of Service

TOTP Time-based One-Time Password

TPM Trusted Platform Module

TSIG Transaction Signature Interoperability Group

TTR Time to Restore

UAC User Access Control

UAT User Acceptance Testing

UDP User Datagram Protocol

UEFI Unified Extensible Firmware Interface

UPS Uninterruptable Power Supply

URL Universal Resource Locator

USB Universal Serial Bus

UTM Unified Threat Management

VDI Virtual Desktop Infrastructure

VLAN Virtual Local Area Network

VM Virtual Machine

VMFS VMware File System

VNC Virtual Network Connection

VoIP Voice over IP

VPN Virtual Private Network

VRRP Virtual Router Redundancy Protocol

vSAN Virtual Storage Area Network

VTC Video Teleconferencing

vTPM Virtual Trusted Platform Module

WAF Web Application Firewall

WAP Wireless Access Point

WAYF Where Are You From

WEP Wired Equivalent Privacy

WIDS Wireless Intrusion Detection System

WIPS Wireless Intrusion Prevention System

WMI Windows Management Interface

WPA Wireless Protected Access

WRT Work Recovery Time

WSDL Web Services Description Language

XACML eXtensible Access Control Markup Language

XHR XMLHttpRequest

XMPP eXtensible Messaging and Presence Protocol

XSS Cross-Site Scripting

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