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Acronym Spelled out
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Acronym Spelled Out #Security501
Flashcards
320 cards
F
Practice quiz
P
Host live
L
Questions
320
Answers
1
HTML
x
x
x
Hypertext Markup Language
2
SMTPS
x
x
Simple Mail Transfer Protocol Secure
x
3
BIOS
Basic Input/Output System
x
x
x
4
WAF
Web Application Firewall
x
x
x
5
NAC
x
x
x
Network Access Control
6
S/MIME
x
x
Secure/Multipurpose Internet Mail Extensions
x
7
GPG
Gnu Privacy Guard
x
x
x
8
ARP
x
x
Address Resolution Protocol
x
9
XSRF
x
x
Cross-site Request Forgery
x
10
RIPEMD
RACE Integrity Primitives Evaluation Message Digest
x
x
x
11
EF
x
Exposure Factor
x
x
12
NIST
x
x
National Institute of Standards and Technology
x
13
BPA
Business Partners Agreement
x
x
x
14
ARO
Annualized Rate of Occurrence
x
x
x
15
ASLR
x
x
Address Space Layout Randomization
x
16
RBAC
x
x
Role-based Access Control
x
17
BPDU
x
Bridge Protocol Data Unit
x
x
18
POP
x
x
x
Post Office Protocol
19
SMB
x
x
Server Message Block
x
20
NIPS
Network-based Intrusion Prevention System
x
x
x
21
SSO
x
x
x
Single Sign-On
22
KDC
Key Distribution Center
x
x
x
23
PIV
x
Personal Identity Verification
x
x
24
EMI
Electromagnetic Interference
x
x
x
25
AUP
x
Acceptable Use Policy
x
x
26
XSS
Cross-site Scripting
x
x
x
27
SNMP
x
x
Simple Network Management Protocol
x
28
PFS
x
x
Perfect Forward Secrecy
x
29
CYOD
x
x
x
Choose Your Own Device
30
ISSO
x
Information Systems Security Officer
x
x
31
CSU
x
x
Channel Service Unit
x
32
FRR
x
False Rejection Rate
x
x
33
CCTV
x
x
x
Closed-circuit Television
34
EULA
End User License Agreement
x
x
x
35
PaaS
x
Platform as a Service
x
x
36
SHA
x
x
x
Secure Hashing Algorithm
37
POODLE
x
x
Padding Oracle on Downgrade Legacy Encryption
x
38
SSP
x
x
x
Systems Security Plan
39
BCP
x
Business Continuity Planning
x
x
40
L2TP
Layer 2 Tunneling Protocol
x
x
x
41
P12
x
x
PKCS #12
x
42
MOA
x
Memorandum of Agreement
x
x
43
ID
Identification
x
x
x
44
CAN
x
x
Controller Area Network
x
45
OID
x
Object Identifier
x
x
46
XML
x
x
x
Extensible Markup Language
47
TPM
x
x
x
Trusted Platform Module
48
IV
Initialization Vector
x
x
x
49
FTP
x
File Transfer Protocol
x
x
50
OCSP
Online Certificate Status Protocol
x
x
x
51
PSK
x
x
Pre-shared Key
x
52
CTR
x
x
Counter
x
53
RBAC
x
x
Rule-based Access Control
x
54
RAS
x
x
x
Remote Access Server
55
IaaS
x
x
x
Infrastructure as a Service
56
DER
x
x
Distinguished Encoding Rules
x
57
CAR
x
Corrective Action Report
x
x
58
PED
x
Personal Electronic Device
x
x
59
NTFS
New Technology File System
x
x
x
60
RTP
x
Real-time Transport Protocol
x
x
61
MTBF
x
Mean Time Between Failures
x
x
62
KEK
Key Encryption Key
x
x
x
63
NGAC
Next Generation Access Control
x
x
x
64
CSR
x
x
Certificate Signing Request
x
65
SDLC
x
x
x
Software Development Life Cycle
66
MPLS
x
x
Multi-Protocol Label Switching
x
67
SSID
x
x
Service Set Identifier
x
68
DFIR
x
Digital Forensics and Investigation Response
x
x
69
SCADA
x
System Control and Data Acquisition
x
x
70
ERP
x
Enterprise Resource Planning
x
x
71
EMP
x
x
Electro Magnetic Pulse
x
72
HOTP
HMAC-based One-Time Password
x
x
x
73
RC4
x
x
Rivest Cipher v5
x
74
CIRT
Computer Incident Response Team
x
x
x
75
PBX
x
x
x
Private Branch Exchange
76
URL
x
x
x
Universal Resource Locator
77
ASP
x
Application Service Provider
x
x
78
SAN
Subject Alternative Name
x
x
x
79
DNAT
x
x
x
Destination Network Address Transaction
80
3DES
x
x
x
Triple Digital Encryption Standard
81
IIS
x
x
Internet Information System
x
82
CFB
x
Cipher Feedback
x
x
83
WIDS
Wireless Intrusion Detection System
x
x
x
84
MIME
x
Multipurpose Internet Mail Exchange
x
x
85
OAUTH
x
x
Open Authorization
x
86
ROI
x
Return on Investment
x
x
87
CMS
x
Content Management System
x
x
88
PEAP
x
Protected Extensible Authentication Protocol
x
x
89
MAC
Media Access Conrol
x
x
x
90
CP
x
x
Contingency Plan
x
91
PGP
Pretty Good Privacy
x
x
x
92
DNS
x
Domain Name Service (Server)
x
x
93
API
x
Application Programming Interface
x
x
94
HA
x
x
High Availability
x
95
UTP
x
Unshielded Twisted Pair
x
x
96
DRP
x
Disaster Recovery Plan
x
x
97
PPTP
x
x
x
Point-to-Point Tunneling Protocol
98
RSA
Rivest, Shamil, & Adleman
x
x
x
99
PHI
x
x
Personal Health Information
x
100
AES256
Advanced Encryption Standards 265bit
x
x
x
101
DSA
Digital Signature Algorithm
x
x
x
102
HIPS
x
Hose-based Intrusion Prevention System
x
x
103
IMAP4
x
x
Internet Message Access Protocol v4
x
104
AV
Asset Value
x
x
x
105
SSD
x
x
Solid State Drive
x
106
CTO
Chief Technology Officer
x
x
x
107
SPF
x
x
x
Sender Policy Framework
108
FTPS
Secure File Transfer Protocol
x
x
x
109
WPA2
x
x
WiFi Protected Access 2
x
110
SCSI
x
x
x
Small Computer System Interface
111
MTTR
Mean Time to Recover or Mean Time to Repair
x
x
x
112
MAC
Message Authentication Code
x
x
x
113
CER
x
Cross-over Error Rate
x
x
114
FDE
x
Full Disk Encryption
x
x
115
PKI
Public Key Infrasructure
x
x
x
116
MSCHAP
x
x
Microsoft Challenge Handshake Authentication Protocol
x
117
NIDS
x
Network-based Intrusion Detection System
x
x
118
DDoS
x
x
x
Distributed Denial of Service
119
LDAP
x
Lightweight Directory Access Protocol
x
x
120
CSP
x
x
x
Cloud Service Provider
121
CAC
x
x
x
Common Access Card
122
RTBH
Remotely Triggered Black Hole
x
x
x
123
UPS
x
Uninterruptable Power Supply
x
x
124
CA
x
Certificate Authority
x
x
125
PAP
x
x
x
Password Authentication Protocol
126
RFID
x
Radio Frequency Identifier
x
x
127
HDD
Hard Disk Drive
x
x
x
128
MOU
x
x
x
Memorandum of Understanding
129
UEFI
x
x
Unified Extensible Firmware Interface
x
130
AH
Authentication Header
x
x
x
131
OVAL
Open Vulnerability Assessment Language
x
x
x
132
LAN
x
Local Area Network
x
x
133
IRP
x
Incident Response Plan
x
x
134
EOL
x
x
x
End Of Life
135
COPE
x
Corporate Owned, Personally Enabled
x
x
136
TOTP
x
Time-based One-Time Password
x
x
137
RTO
x
x
Recovery Time Objective
x
138
CSIRT
x
Computer Security Incident Response Team
x
x
139
PBKDF2
Password-based Key Derivation Function 2
x
x
x
140
IDEA
International Data Encryption Algorithm
x
x
x
141
IP
Internet Protocol
x
x
x
142
VoIP
x
x
Voice over IP
x
143
SHTTP
x
x
Secure Hypertext Transfer Protocol
x
144
SOAP
Simple Object Access Protocol
x
x
x
145
ISP
Internet Service Provider
x
x
x
146
NTLM
x
x
x
New Technology LAN Manager
147
RDP
x
Remote Desktop Protocol
x
x
148
TACACS+
Terminal Access Controller Access Control System Plus
x
x
x
149
WPS
x
x
x
WiFi Protected Setup
150
MDM
x
x
Mobile Device Management
x
151
RAID
Redundant Array of Inexpensive Disks
x
x
x
152
AV
x
x
Antivirus
x
153
ECC
x
x
Elliptic Curve Cryptography
x
154
GPS
Global Positioning System
x
x
x
155
SDLM
Software Development Life Cycle Methodology
x
x
x
156
GCM
x
Galois Counter Mode
x
x
157
DAC
x
x
x
Discretionary Access Control
158
SIM
Subscriber Identity Module
x
x
x
159
PPP
Point-to-Point Protocol
x
x
x
160
MAN
Metropolitan Area Network
x
x
x
161
VLAN
Virtual Local Area Network
x
x
x
162
MTU
x
Maximum Transmission Unit
x
x
163
POTS
x
x
Plain Old Telephone Service
x
164
ICS
x
x
Industrial Control Systems
x
165
TCO
Total Cost of Ownership
x
x
x
166
SMTP
x
x
x
Simple Mail Transfer Protocol
167
HSM
Hardware Security Module
x
x
x
168
ECDSA
x
x
x
Elliptic Curve Digital Signature Algorithm
169
IRC
Internet Relay Chat
x
x
x
170
DSL
x
x
Digital Subscriber Line
x
171
CRL
x
Certificate Revocation List
x
x
172
ECDHE
x
x
Elliptic Curve Diffie-Hellman Ephemeral
x
173
AP
x
x
x
Access Point
174
UTM
Unified Threat Management
x
x
x
175
WORM
x
x
x
Write Once Read Many
176
VM
x
x
x
Virtual Machine
177
RPO
Recovery Point Objective
x
x
x
178
BYOD
x
x
x
Bring Your Own Device
179
SOR
x
x
x
Exclusive Or
180
COOP
x
x
Continuity of Operations Plan
x
181
VDI
x
Virtual Desktop Infrastructure
x
x
182
CBC
Cipher Block Chaining
x
x
x
183
EAP
x
x
Extensible Authentication Protocol
x
184
TLS
Transport Layer Security
x
x
x
185
USB
x
x
x
Universal Serial Bus
186
CCMP
x
x
x
Counter-Mode/CBC-Mac Protocol
187
WPA
x
WiFi Protected Access
x
x
188
CRC
x
x
x
Cyclical Redundancy Check
189
MFD
x
x
Multi-function Device
x
190
MTTF
Mean Time to Failure
x
x
x
191
IKE
x
x
Internet Key Exchange
x
192
MOTD
Message of the Day
x
x
x
193
SDN
x
Software Defined Network
x
x
194
HTTP
x
x
x
Hypertext Transfer Protocol
195
PCAP
x
x
Packet Capture
x
196
HMAC
x
x
x
Hashed Message Authentication Code
197
ACL
x
Access Control List
x
x
198
SFTP
x
Secured File Transfer Protocol
x
x
199
IM
x
x
x
Instant Messaging
200
SIPS
x
x
x
Session Intitiation Protocol Secure
201
UAV
x
Unmanned Aerial Vehicle
x
x
202
MD5
Message Digest 5
x
x
x
203
HIDS
x
x
x
Host-based Intrusion Detection System
204
USB OTG
x
x
x
USB On the Go
205
RMF
x
Risk Management Framework
x
x
206
TSIG
x
x
x
Transaction Signature
207
TKIP
Temporal Key Integrity Ptorotcol
x
x
x
208
CHAP
x
x
x
Challenge Handshake Authentication Protocol
209
DHE
x
x
x
Diffie-Hellman Ephemeral
210
MDF
x
x
Main Distribution Frame
x
211
VPN
x
x
x
Virtual Private Network
212
REST
x
x
Representational State Transfer
x
213
RADIUS
Remote Authentication Dial-In User Server
x
x
x
214
MITM
Man-in-the-Middle
x
x
x
215
CER
x
Certificate
x
x
216
UAT
x
x
user Acceptance Testing
x
217
UDP
x
x
x
User Datagram Protocol
218
OS
x
x
Operating System
x
219
ABAC
Attribute-Based Access Control
x
x
x
220
EFS
x
Encrypted File System
x
x
221
OTA
x
x
Over the Air
x
222
SIEM
Security Information and Event Management
x
x
x
223
CERT
x
x
Computer Emergency Response Team
x
224
SIP
x
Session Initiation Protocol
x
x
225
BIA
Business Impact Analysis
x
x
x
226
SSL
x
Secure Sockets Layer
x
x
227
IoT
Internet of Things
x
x
x
228
SPIM
x
Spam over Internet Messaging
x
x
229
DBA
x
Database Administrator
x
x
230
SMS
Short Message Service
x
x
x
231
SaaS
x
x
Software as a Service
x
232
SAN
Storage Area Network
x
x
x
233
SCAP
x
x
x
Security Content Automation Protocol
234
HTTPS
Hypertext Transfer Protocol over SSL/TLS
x
x
x
235
CAPTCHA
Complete Auto Public Turing Test to Tell Comp & Humans Apart
X
X
X
236
DEP
x
x
Data Execution Prevention
x
237
SRTP
Secure Real-Time Protocol
x
x
x
238
VTC
Video Teleconferencing
x
x
x
239
PTZ
Pan-Tilt-Zoom
x
x
x
240
STP
x
Shielded Twisted Pair
x
x
241
ESP
x
x
x
Encapsulated Security Payload
242
BAC
x
x
Business Availability Center
x
243
RAD
x
Rapid Application Development
x
x
244
DLL
x
x
Dynamic Link Library
x
245
WEP
Wired Equivalent Privacy
x
x
x
246
ECB
x
x
Electronic Code Book
x
247
PAM
x
x
x
Pluggable authentication Modules
248
ESN
x
x
x
Electronic Serial number
249
MSP
x
x
x
Managed Service Provider
250
DLP
x
x
x
Data Loss Prevention
251
CASB
x
x
x
Cloud Access Security Broker
252
P2P
Peer to Peer
x
x
x
253
FACL
x
x
x
File System Access Control List
254
DES
x
x
x
Digital Encryption Standard
255
IR
x
x
x
Incident Response
256
ICMP
x
Internet Control Message Protocol
x
x
257
HVAC
Heating, Ventilation and Air Conditioning
x
x
x
258
GPO
x
x
x
Group Policy Object
259
VDE
x
Virtual Desktop Environment
x
x
260
SQL
x
Structured Query Language
x
x
261
DHE
x
x
x
Data-Handling Electronics
262
NTP
x
Network Time Protocol
x
x
263
APT
x
x
Advanced Persistent Threat
x
264
NAT
x
x
x
Network Address Translation
265
PFX
x
x
x
Personal Exchange Format
266
CSRF
x
Cross-site Request Forgery
x
x
267
TGT
x
x
x
Ticket Granting Ticket
268
WIPS
x
x
Wireless Intrusion Prevention System
x
269
GRE
Generic Routing Encapsulation
x
x
x
270
SLA
Service Level Agreement
x
x
x
271
IR
x
Infrared
x
x
272
PII
x
x
x
Personally Identifiable Information
273
PAT
x
x
x
Port Address Translation
274
SSH
x
x
x
Secure Shell
275
ISA
x
Interconnection Security Agreement
x
x
276
MaaS
x
x
Monitoring as a Service
x
277
CIO
x
Chief Information Officer
x
x
278
MBR
x
Master Boot Record
x
x
279
RA
Recovery Agent
x
x
x
280
NFC
x
Near Field Communication
x
x
281
SCP
Secure Copy
x
x
x
282
ALE
x
x
x
Annualized Loss Expectancy
283
DHCP
x
x
x
Dynamic Host Configuration Protocol
284
IDS
x
x
x
Intrusion Detection System
285
MFA
x
Multifactor Authentication
x
x
286
CTM
Counter-Mode
x
x
x
287
SCEP
Simple Certificate Enrollment Protocol
x
x
x
288
SED
Self-encrypting Drive
x
x
x
289
RTOS
x
x
x
Real-time Operating System
290
PEM
Privacy-enhanced Electronic Mail
x
x
x
291
TCP/IP
x
Transmission Control Protocol/Internet Protocol
x
x
292
NDA
x
x
x
Non-Disclosure Agreement
293
DMZ
x
Demilitarized Zone
x
x
294
MAC
x
x
Mandatory Access Control
x
295
SPoF
x
Single Point of Failure
x
x
296
IdP
x
Identity Provider
x
x
297
URI
x
x
x
Uniform Resource Identifier
298
SDK
Software Development Kit
x
x
x
299
RAT
x
Remote Access Trojan
x
x
300
ITCP
x
x
x
IT Contingency Plan
301
SEH
x
Structured Exception Handler
x
x
302
DoS
x
x
x
Denial of Service
303
PAC
x
x
x
Proxy Auto Configuration
304
IEEE
Institute of Electrical and Electronic Engineers
x
x
x
305
IPSec
x
x
x
Internet Protocol Security
306
WTLS
x
Wireless TLS
x
x
307
FAR
x
False Acceptance Rate
x
x
308
CSO
x
x
x
Chief Security Officer
309
LEAP
x
Lightweight Extensible Authentication Protocol
x
x
310
SLE
x
x
x
Single Loss Expectancy
311
WAP
x
Wireless Access Point
x
x
312
SAML
x
x
Security Assertions Markup Language
x
313
AAA
x
x
x
Authentication, Authorization, and Accounting
314
MMS
x
x
x
Multimedia Message Service
315
DSU
x
x
x
Data Service Unit
316
AES
x
Advanced Encryption Standard
x
x
317
GPU
x
x
Graphic Processing Unit
x
318
VLSM
Variable Length Subnet Masking
x
x
x
319
RA
x
x
Registration Authority
x
320
SoC
x
x
x
System on Chip
