CompTIA Security+ (SY0-601)
Access Protocol (LDAP) - ANS-A software protocol that enables an entity to look up data stored
in a server.
Address Resolution Protocol (ARP) - ANS-A communication protocol used for finding the link
layer address, such as a MAC address, associated with a given internet layer address.
Advanced persistent threat (APT) - ANS-An attack in which an unauthorized user gains access
to a system or network and remains there for an extended period of time without being detected.
Air gap - ANS-A network security measure employed on one or more computers to ensure that
a secure computer network is physically isolated from unsecured networks.
Antivirus - ANS-A software designed to prevent, detect and remove malware infections on
individual computing devices, networks and IT systems.
Anything as a service (XaaS) - ANS-Describes a general category of services related to cloud
computing and remote access.
API considerations - ANS-An overarching term referring to practices and products that prevent
malicious attacks on, or misuse of, Application Program Interfaces (API).
Arduino - ANS-An open-source electronics platform based on easy-to-use hardware and
software.
Authentication Header (AH) - ANS-A security mechanism used in authenticating the origins of
datagrams.
Authority - ANS-The power to enforce rules or give orders.
Automated Indicator Sharing (AIS) - ANS-Enables the exchange of cyber threat indicators, at
machine speed, among the Federal Government.
Backdoor - ANS-A means to access a computer system or encrypted data that bypasses the
system's customary security.
Birthday - ANS-A type of cryptographic attack, which exploits the mathematics behind the
birthday problem in probability theory.
Blockchain - ANS-A growing list of records, called blocks, that are linked using cryptography.
, Blue-team - ANS-Defensive security professionals responsible for maintaining internal network
defenses against all cyber attacks and threats.
Bluejacking - ANS-The sending of unsolicited messages over Bluetooth to Bluetooth-enabled
devices.
Bluesnarfing - ANS-The unauthorized access of information from a wireless device through a
Bluetooth connection.
Bots - ANS-A network of computers infected by malware that are under the control of a single
attacking party, known as the "bot-herder."
Brute force - ANS-A brute-force technique where attackers run through common words and
phrases, such as those from a dictionary, to guess passwords.
Buffer overflows - ANS-When the volume of data exceeds the storage capacity of the memory
buffer.
Bug bounty - ANS-A deal offered by many websites, organizations and software developers by
which individuals can receive recognition and compensation for reporting bugs.
Card cloning - ANS-The practice of making an unauthorized copy of a credit card.
Cipher suites - ANS-A set of algorithms that help secure a network connection that uses
Transport Layer Security (TLS).
client-side - ANS-Refers to operations that are performed by the client in a client-server
relationship in a computer network.
Code reuse - ANS-The use of existing software, or software knowledge, to build new software,
following the reusability principles.
Cold aisle - ANS-A layout design especially for data warehouses where huge servers and
computing equipment are kept and data is stored.
Cold site - ANS-A backup facility with little or no hardware equipment installed.
Collision Attack - ANS-An attack on a cryptographic hash to find two inputs producing the same
hash value, i.e. a hash collision.
Command and Control - ANS-A computer controlled by a cybercriminal to send commands to
systems compromised by malware and receive stolen data from a target network.
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