CyberSecurity Dictionary

CyberSecurity, Explained

Cybersecurity should be easy to understand and accessible to everyone. That's why we created this dictionary highlighting the terms you need to know, in plain English.

Must Know:

Block Page Cookie Download Extension Hijacking Spyware

A

Access Control

Advanced Persistent Threat (APT)

Adversary

Adware

Alert

Anonymizing proxy

Antispyware

Antivirus

App (application)

Attack

Attacker

Authentication

Autorun worm

B

Backdoor

Backdoor Trojan

Black Hat Hacker

Blacklist

Block Page

Bluetooth

Boot Sector Malware

Botnet

Breach

Browser

Browser Hijacker | Hijacker Removal in a Flash

Browser Protection

Browsing Activity

Brute Force Attack

Bug

C

CVE (Common Vulnerabilities and Exposures)

Clickbait / Clickjacking

Cloud

Command and Control Center

Compromised

Cracking

Credential Theft

Cyberattack

Cyberespionage

Cybersecurity

D

DDoS

DNs Hijacking

Dark Web

Data Breach

Data Leakage

Data Loss

Data Theft

Database

Deep Web

Denial-of-service attack

Document Malware

Domain

Download

Drive-by downloads

E

Easter Egg

Eavesdropping Attacks

Email Malware Distribution

Encryption

Exploit

Extension

F

FTP (File Transfer Protocol)

Fake Antivirus Malware

Fingerprint

Firewall

Flooding

G

GDPR General Data Protection Regulation

Gateway Security

Grey Hat Hacker

Guardio

H

HTTPS

Hacker

Hacking

Hacktivism

Hashing

Hijacking

Hoax

Honeypot

I

IP Address

IPsec

ISP (Internet Service Provider)

Identity Cloning

Identity Theft

Incident Handling

Internet Worm

Intrusion Prevention System

J

JBOH attack

Javascript Hijacking

Joe Job

Jolt

Juice Jacking

K

Kaptoxa

Keylogging

Klez

Knowledge-Based Authentication

Kraken

L

Lawful Interception

Link Jacking

Live Capture

Logic Bomb

M

Malicious Code

Malware

Man-In-The-Middle Attack

Masquerade Attack

Mobile Phone Malware

N

National Computer Security Center (NCSC)

National Security Agency (NSA)

Network

Network Sniffing

Network Vulnerability Scanning

Nimda

O

One-Time Password (OTP)

Open Source Code

Open Source Hardening Project

Operating System

P

Packet

Parasitic Viruses

Patch

Payment Card Skimmer

Pharming

Phishing

Pop up blocker

Potentially Unwanted Application (PUA)

Push Notifications (web

Q

Quarantining

R

Ransomware

Restore

Reverse Engineering

Rootkit

S

SQL Injection?

SSL Certificate

Scareware

Search Hijacking

Social Engineering

Social Networking

Software

Spam: What is it and How is it Harmful?

Spear Phishing

Spoofing

Spyware

T

Tech Support Scam

Threat

Trojan

Two Factor Authentication

U

URL (Uniform resource locator)

URL or Web Content Filtering

Unauthorized access

V

VPN (Virtual Private Network)

Virus

Vishing

VoIP

Vulnerability

W

Whaling

White Hat Hacking

Whitelist

WiFi

Wiretapping

Worm

X

XSS

Xafecopy

Y

Yahoo Search Virus

YubiKey

Z

Zero-day attack

Zero-day vulnerability

Zeus Game Over

Zip Bomb

Zombie Computer