Cyber Security Glossary
Simple definitions for the most important words you will learn in the course.
Authentication
The process of proving who you are to access an account or system.
Backup
A copy of important files kept somewhere safe in case the originals are lost.
Cookie
A small file a website stores on your device to remember information about you.
Cyberbullying
Using technology to repeatedly harm, threaten, or embarrass someone.
Encryption
Scrambling information so only authorized people can read it.
Ethical Hacking
Finding and fixing security weaknesses with permission to make systems safer.
Firewall
A security system that monitors and controls incoming and outgoing network traffic.
Identity Theft
When someone uses your personal information without permission to pretend to be you.
Malware
Software designed to damage devices, steal data, or cause other harm.
Phishing
A scam that tricks people into giving away personal information by pretending to be trustworthy.
Privacy
The right to control what personal information others can see about you.
Ransomware
Malware that locks your files until you pay money to unlock them.
Scam
A dishonest trick used to steal money or information.
Two-Factor Authentication (2FA)
A security method that requires two different proofs of identity to log in.
Virus
A type of malware that spreads by attaching itself to files or programs.