Browse thousands of cybersecurity terms and definitions in our digital security glossary. This cybersecurity dictionary has definitions, examples, terms, and further reading.

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

A

Abandonware Accelerated Mobile Pages Acceptable Use Policy Account Compromise Account Takeover Active Attack Active Defense Adaptive Authentication Address Space Address Space Layout Randomization (ASLR) Administrative Privileges Advanced Penetration Testing Advanced Threat Detection AES Encryption Alert Fatigue Allowlisting Alphanumeric Password Analog Computer Angler Phishing Anomaly-based Detection Anonymous Call Rejection Anti-malware Anti-spam Anycast DNS Apple Filling Protocol (AFP) AppleTalk Data Stream Protocol (ADSP) Application Acceleration Application Allow-listing Application Base Application Clustering Application Delivery Controller (ADC) Application Deployment Application Gateway Application Infrastructure Provider (AIP) Application Log Application Programming Interface (API) Application Service Provider (ASP) Application Streaming Application-Aware Networking Arbitrary Code Execution (ACE) Area Border Router (ABR) ARM Processor Artificial Intelligence (AI) Asynchronous Transfer Mode (ATM) ATM Jackpotting Atomicity, Consistency, Isolation, Durability (ACID) Attack Surface Attack Taxonomy Attribute-based Encryption (ABE) Audit Log Augmented Intelligence Authorized Push Payment Fraud Automatic Private IP Addressing Autonomous Intelligence Autorun Worm

B

Back-hack Backdoor Backhaul Backout Plan

C

Cache Coherence Cache Invalidation Cache Server Caesar Encryption Call Stack Cybersecurity Supply Chain Risk Management (C-SCRM)

D

Dangling Pointer Dark Patterns DarkHotel Data Access Data Administration Data Analytics

E

Eavesdropping Edge AI Edge Datacenter Edge Network Egosurfing

F

Face ID Facial Recognition Failback Fake Antivirus False Flag Fast Flux

G

Garlic Routing GDPR Generative AI Generic Routing Encapsulation GHOST Bug

H

Hackintosh Half Duplex Hamming Code Handshake Protocol Hard Reboot Hardening Hardware as a Service

I

I/O Controller Ice Phishing Identity Cloning

J

Jackware  Java Virtual Machine JSON Hijacking

K

Keepalive Kerckhoffs’ Principle Kernel-based Virtual Machine (KVM) Key Distribution Center

L

L1 Cache Label Edge Router LAN Party Lateral Movement

M

MAC Address Machine Data Machine to Machine Macro Virus

N

N-tier Architecture Nano Kernel NAS NAT Traversal

O

OAuth Object Request Broker OCSP Stapling Offensive Security

P

Packet Capture Packet Filtering Packet Monkey

Q

QR Code Phishing Quality of Service Quantum Error Correction

R

Race Condition RAID 0 RAID 1 RAID 2

S

S/Key Salami Fraud Sandbox Escape

T

T3 Line Tabnabbing Tampering Attack

U

U2F Unicast Address User and Entity Behavior Analytics (UEBA)

V

V2Ray Protocol Van Eck Phreaking Vehicle-to-Infrastructure Visitor-based Networking

W

Wabbit Walled Garden

X

X.509 Xinetd

Y

Yak Shaving Yellow Hat Hacker Ysoserial YubiKey

Z

Zero Client Zero Day Zero-Click Attack Zero-Latency Enterprise