Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

CompTIA Security+ (SY0-501) > Acronyms > Flashcards

Acronyms Flashcards

1
Q

3DES

A

Triple Digital Encryption System

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

AAA

A

Authentication authorization and accounting

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

ABAC

A

Attribute-based access control

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

ACL

A

Access control list

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

AES256

A

Advanced encryption standards 256

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

AH

A

Authentication header

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

ALE

A

Annualized loss expectancy

SLE × ARO = ALE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

AP

A

Access point

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

API

A

Application program interface

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

APT

A

Advanced persistent threat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

ARO

A

Annualized rate of occurrence

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

ARP

A

Address resolution protocol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

ASLR

A

Address space layout randomization

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

ASP

A

Application service provider

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

AUP

A

Acceptance use policy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

AV

A

Antivirus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

BAC

A

Business availability center

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

BCP

A

Business continuity planning

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

BIA

A

Business impact analysis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

BIOS

A

Basic input/output system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

BPA

A

Business partners agreement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

BPDU

A

Bridge protocol data unit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

BYOD

A

Bring your own device

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

CA

A

Certificate authority

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

CAC

A

Common access card

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

CAN

A

Controller access network

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

CAPTCHA

A

Completely automated public tuning test to tell computers and humans apart

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

CAR

A

Corrective action report

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

CBC

A

Cipher block chaining

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

CCMP

A

Counter-mode/CBC-Mac protocol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

CCTV

A

Closed-circuit television

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

CER

A

Certificate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

CER

A

Cross-over error rate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

CERT

A

Computer emergency response team

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

CFB

A

Cipher feedback

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

CHAP

A

Challenge handshake authentication protocol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

CIO

A

Chief information officer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

CIRT

A

Computer incident response team

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

CMS

A

Content management system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

COOP

A

Continuity of operations plan

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

COPE

A

Corporate owned personally enabled

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

CP

A

Contingency plan

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

CRC

A

Cyclical redundancy check

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

CRL

A

Certificate revocation list

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

CSIRT

A

Computer security incident response team

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

CSO

A

Chief security officer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

CSL

A

Cloud service provider

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

CSR

A

Certificate signing request

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

CSRF

A

Cross-site request forgery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

CSU

A

Channel service unit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

CTM

A

Counter-mode

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q

CTO

A

Chief technology office

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
53
Q

CTR

A

Counter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
54
Q

CYOD

A

Choose your own device

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
55
Q

DAC

A

Discretionary access control

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
56
Q

DBA

A

Database administrator

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
57
Q

DDoS

A

Distributed denial of service

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
58
Q

DEP

A

Data execution prevention

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
59
Q

DER

A

Distinguished coding rules

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
60
Q

DER

A

Distinguished encoding rules

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
61
Q

DES

A

digital encryption standard

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
62
Q

DFIR

A

Digital investigaron and forensics response

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
63
Q

DHCP

A

Dynamic host configuration protocol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
64
Q

DHE

A

Data-handling electronics

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
65
Q

DHE

A

Diffie-hellman ephemeral

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
66
Q

DLL

A

Dynamic link library

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
67
Q

DLP

A

Data lots prevention

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
68
Q

DMZ

A

Demilitarized zone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
69
Q

MTBF

A

Mean time between failures

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
70
Q

MTTF

A

Mean time to failure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
71
Q

MTTR

A

Meant time to recover/repair

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
72
Q

MTU

A

Maximum transmission unit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
73
Q

NAC

A

Network access control

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
74
Q

NAT

A

Network access translation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
75
Q

NDA

A

Non-disclosure agreement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
76
Q

NFC

A

Near field communication

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
77
Q

NGAC

A

Next generation access control

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
78
Q

NIDS

A

Network-based intrusion detection system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
79
Q

NIPS

A

Network-based intrusion protection system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
80
Q

NIST

A

National Institute of Standards and Technology

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
81
Q

NTFS

A

New technology file system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
82
Q

NTLM

A

New technology LAN manager

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
83
Q

NTP

A

Network time protocol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
84
Q

OAUTH

A

Open authorization

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
85
Q

OCSP

A

Online certificate status protocol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
86
Q

OID

A

Object identifier

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
87
Q

OS

A

Operating system

88
Q

OTA

A

Over the air

89
Q

OVAL

A

Open vulnerability assessment language

90
Q

P12

91
Q

P2P

A

Peer to peer

92
Q

PaaS

A

Platform as a service

93
Q

PAC

A

Proxy auto configuration

94
Q

PAM

A

Pluggable authentication modules

95
Q

PAP

A

Password authentication protocol

96
Q

PAT

A

Put address translation

97
Q

PBKDF2

A

Paid based key derivation function 2

98
Q

PBX

A

Private branch exchange

99
Q

PCAP

A

Packet capture

100
Q

PEAP

A

Protected extensible authentication protocol

101
Q

PED

A

Personal electronic device

102
Q

PEM

A

Privacy-enhanced electronic mail

103
Q

PFS

A

Perfect forward secrecy

104
Q

PFX

A

Personal exchange format

105
Q

PGP

A

Pretty good privacy

106
Q

PHI

A

Private health information

107
Q

PII

A

Personally identifiable information

108
Q

PIV

A

Personal identity verification

109
Q

PKI

A

Public key infrastructure

110
Q

POODLE

A

Padded Oracle on downgrade legacy encryption

111
Q

POP

A

Post office protocol

112
Q

POTS

A

Plain old telephone service

113
Q

PPP

A

Point to point protocol

114
Q

PPTP

A

Point to point tunneling protocol

115
Q

PSK

A

Pre-shared key

116
Q

PTZ

A

Pan tilt zoom

117
Q

RA

A

Recovery agent

Or

Registration authority

118
Q

RAD

A

Rapid application development

119
Q

RADIUS

A

Remote authentication dial-in user service

120
Q

RAID

A

Redundant array of inexpensive disks

121
Q

RAS

A

Remote access server

122
Q

RAT

A

Remote access trojan

123
Q

RBAC

A

Role-based access control

Or

Rule-based access control

124
Q

RC4

A

Rivest cipher v4

125
Q

RDP

A

Remote desktop protocol

126
Q

RFID

A

Radio frequency identifier

127
Q

RIPEMD

A

RACE integrity primitives evaluation message digest

128
Q

ROI

A

Return on investment

129
Q

RMF

A

Risk management framework

130
Q

RPO

A

Recovery point objective

131
Q

RSA

A

Rivest , Shamir, Adleman

132
Q

RTBH

A

Remotely triggered black home

133
Q

RTO

A

Recovery time objective

134
Q

RTOS

A

Real-time operating system

135
Q

RTP

A

Real-time transport protocol

136
Q

S/MIME

A

Secure/multipurpose internet mail extension

137
Q

SaaS

A

Software as a service

138
Q

SAML

A

Security assertions markup language

139
Q

SAN

A

Storage area network

Or

Subject alternative name

140
Q

SCADA

A

System control and date acquisition

141
Q

SCAP

A

Security content automation protocol

142
Q

SCEP

A

Simple certificate enrollment protocol

143
Q

SCP

A

Secure copy

144
Q

SCSI

A

Small computer system interface

145
Q

SDK

A

Software development kit

146
Q

SDLC

A

Software development life cycle

147
Q

SDLM

A

Software development life cycle methodology

148
Q

SDN

A

Software defined network

149
Q

SED

A

Self encrypting drive

150
Q

SEH

A

Structured exception handler

151
Q

SFTP

A

Secured file transfer protocol

152
Q

SHA

A

Secured hashing algorithm

153
Q

SHTTP

A

Secure hypertext transfer protocol

154
Q

SIEM

A

Secure information and event management

155
Q

SID

A

Subscriber identity module

156
Q

SLA

A

Service level agreement

157
Q

SLE

A

Single loss expectancy

158
Q

SMB

A

Server message block

159
Q

SMS

A

Short messenger service

160
Q

SMTP

A

Simple mail transfer protocol

161
Q

SMTPS

A

Simple mail transfer protocol secure

162
Q

SNMP

A

Simple network management protocol

163
Q

SOAP

A

Simple object access protocol

164
Q

SoC

A

System on chip

165
Q

SPF

A

Sender policy framework

166
Q

SPIM

A

Spam over internet message

167
Q

SPoF

A

Single point of failure

168
Q

SQL

A

Structured query language

169
Q

SRTP

A

Secure real-time protocol

170
Q

SSD

A

Solid state drive

171
Q

SSH

A

Secure shell

172
Q

SSID

A

Service set identifier

173
Q

SSL

A

Secure sockets layer

174
Q

SSO

A

Single sign-on

175
Q

STP

A

Shielded twisted pair

176
Q

TACAS+

A

Terminal access controller access control system plus

177
Q

TCP/IP

A

Transmission control protocol/internet protocol

178
Q

TGT

A

Ticket granted ticket

179
Q

TKIP

A

Temporary key integrity protocol

180
Q

TSL

A

Transport layer security

181
Q

TOTP

A

Time-based on-time password

182
Q

TPM

A

Trusted platform module

183
Q

TSIG

A

Transaction signature

184
Q

UAT

A

User acceptance testing

185
Q

UAV

A

Unmanned aerial vehicle

186
Q

UDP

A

User datagram protocol

187
Q

UEFI

A

Unified extensible firmware interface

188
Q

UPS

A

Uninterruptible power supply

189
Q

URI

A

Uniform resource identifier

190
Q

URL

A

Universal resource locator

191
Q

USB

A

Universal serial bus

192
Q

USB OTG

A

USB on the go

193
Q

UTM

A

Unified threat management

194
Q

UTP

A

Unshielded twisted pair

195
Q

VDE

A

Virtual desk environment

196
Q

VDI

A

Virtual desk infrastructure

197
Q

VLAN

A

Virtual local area network

198
Q

VLSM

A

variable length subnet masking

199
Q

VM

A

Virtual machine

200
Q

VoIP

A

Voice over IP

201
Q

VPN

A

Virtual private network

202
Q

VTC

A

Video teleconferencing

203
Q

WAF

A

Web application firewall

204
Q

WAP

A

Wireless access point

205
Q

WEP

A

Wired equivalency privacy

206
Q

WIDS

A

Wireless intrusion detection system

207
Q

WIPS

A

Wireless intrusion prevention system

208
Q

WORM

A

Write once read many

209
Q

WPA

A

Wi-fi protected access

210
Q

WPA2

A

Wi-fi protected access 2

211
Q

WPS

A

Wi-fi protected setup

212
Q

WTLS

A

Wireless TLS

213
Q

XML

A

Extensible markup language

214
Q

XOR

A

Exclusive OR

215
Q

XSRF

A

Cross-sir request forgery

216
Q

XSS

A

Cross-site scripting

CompTIA Security+ (SY0-501) (4 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions