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Security+ Acronyms

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z


3DES – Triple Digital Encryption Standard


ACE – Access Control Entry
ACL – Access Control List
AES – Advanced Encryption Standard
AES256 – Advanced Encryption Standard 256bit
AH – Authentication Header
ALE – Annualized Loss Expectancy
ARO – Annualized Rate of Occurrence
ARP – Address Resolution Protocol
AUP – Acceptable Use Policy
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BIOS – Basic Input / Output System
BOTS – Network Robots
Botnet – Network of bots
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CA – Certificate Authority
CAN – Controller Area Network
CCTV – Closed-circuit television
CHAP – Challenge Handshake Authentication Protocol
CRL – Certification Revocation List
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DAC – Discretionary Access Control
DACL – Discretionary Access Control List
DDOS – Distributed Denial-of-Service
DES – Digital Encryption Standard
DHCP – Dynamic Host Configuration Protocol
DLL – Dynamic Link Library
DMZ – Demilitarized Zone
DNS – Domain Name Service (Server)
DOS – Denial-of-Service
DRP – disaster recovery plan 
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EAP – Extensible Authentication Protocol
ECC – Elliptic Curve Cryptography
EMI – Electromagnetic Interference
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FTP – File Transfer Protocol
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GPO – group policy object
GRE – Generic Routing Encapsulation
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HIDS – Host-Based Intrusion Detection System
HIPS – Host-Based Intrusion Prevention System
HTML – HyperText Markup Language
HTTP – Hypertext Transfer Protocol
HTTPS – Hypertext Transfer Protocol over SSL
HVAC – Heating, Ventilation Air Conditioning
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ICMP – Internet Control Message Protocol
ID – Identification
IDS – intrusion detection system
IEEE – Institute of Electrical and Electronic Engineers
IIS – Internet Information Services
IM – Instant messaging
IMAP4 – Internet Message Access Protocol v4
IP – Internet Protocol
IPSEC – Internet Protocol Security
IRC – Internet Relay Chat
ISA – Internet Security Accelerataor
ISP – Internet Service Provider
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JVM – Java Virtual Machine

KDC – Key Distribution Center
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L2TP – Layer 2 Tunneling Protocol
LAN – local area network
LANMAN – Local Area Network Manager
LDAP – Lightweight Directory Access Protocol
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MAC – Mandatory Access Control
MAC – Media Access Control
MAC – Message Authentication Code
MAN – Metropolitan Area Network
MBSA – Microsoft Baseline Security Analyzer
MD5 – Message Digest 5
MSCHAP – Microsoft Challenge Handshake Authentication Protocol
MTU – Maximum Transmission Unit
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NAC – Network Access Control
NAS – Network Access Service 
NAT – Network Address Translation
NIDS – Network-Based Intrusion Detection System
NIPS – Network-Based Intrusion Prevention System
NOS – Network Operating System
NTFS – New Technology File System
NTLM – New Technology LANMAN
NTP – Network Time Protocol
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OS – Operating System
OVAL – Open Vulnerability Assessment Language
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PAN – personal area network
PAP – Password Authentication Protocol
PAT – Port Address Translation
PBX – Private Branch Exchange
PDA – personal data assistant
PGP – Pretty Good Privacy
PII – Personally Identifiable Information
PKI – Public Key Infrastructure
PIN – personal identification number
PPP – Point-to-point Protocol
PPTP – Point-to-Point Tunneling Protocol
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RAD – Rapid application development
RADIUS – Remote Authentication Dial-in User Server
RAID – Redundant Array of Inexpensive (or independent) Disks
RAS – Remote Access Server
RBAC – Role Based Access Control
RBAC – Rule Based Access Control
RFI – radio frequency interference
RSA – Rivest, Shamir, & Adleman
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S/MIME – Secure / Multipurpose internet Mail Extensions
SCCM – System Center Configuration Manager
SCSI – Small Computer System Interface
SHA – Secure Hashing Algorithm
SHTTP – Secure Hypertext Transfer Protocol
SID – Security Identifier
SLA – Service Level Agreement
SLE – Single Loss Expectancy
SLIP – Serial Line Interface Protocol
SMS – Systems Management Server
SMTP – Simple Mail Transfer Protocol
SNMP – Simple Network Management Protocol
SPIM – Spam over Internet Messaging
SSID – Security Set Identifier
SSH – Secure Shell
SSL – Secure Sockets Layer
SSO – Single Sign-On
STP – shielded twisted pair
SUS – Software Update Services
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TACACS – Terminal Access Controller Access Control System
TCO – total cost of ownership
TCP/IP – Transmission Control Protocol / Internet Protocol
TKIP – Temporal Key Integrity Protocol
TKIP – Temporal Key Interchange Protocol
TLS – Transport Layer Security
TPM – Trusted Platform Module
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UPS – Uninterruptable Power Supply
URL – Universal Resource Locator
USB – Universal Serial Bus
UTP – Unshielded Twisted Pair
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VLAN – Virtual Local Area Network
VoIP – Voice over IP
VPN – Virtual Private Network
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WAN – Wireless Area Network
WEP – Wired Equivalent Privacy
WLAN – Wireless Local Area Network
WPA – Wi-Fi Protected Access
WPA2 – Wi-Fi Protected Access version 2
WSUS – Windows Server Update Services
WTLS – Wireless Transport Layer Security
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CompTIA Security+: Get Certified Get Ahead: SY0-201 Study Guide


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