Antivirus – A program that protects your computer from harmful software (called viruses) by spotting and removing them.
App – Short for “application. ” A small program you use on your phone, tablet, or computer, like WhatsApp or online banking.
Browser – The tool you use to look at websites, such as Google Chrome, Safari, or Microsoft Edge.
Cookie – A small file websites save to remember your preferences, such as your login or shopping basket. Usually harmless.
Encryption – A way of scrambling information so only the right person can read it – like sending a message in code.
Firewall – A shield that blocks unwanted visitors or threats from entering your device through the internet.
Hacker – Someone who tries to get into computers or accounts without permission. Some are criminals, but not all.
Malware – Short for “malicious software. ” Harmful programs such as viruses or spyware that can damage or spy on your device.
Password – A secret word or phrase you use to protect y our accounts. The best ones are long and hard to guess.
Pop-up – A small window that suddenly appears on your screen, often showing adverts or scams.
Scam – A trick to steal your money or information, often by pretending to be someone you trust.
Spam – Unwanted or junk emails, usually adverts or scams, that clutter your inbox.
Two-Factor Authentication (2FA) – An extra layer of security that asks for two things to log in, like your password and a code sent to your phone.
Update – A fix or improvement for your apps or computer. Updates keep you safer and make things run better.
Username – The name you use to log in to a website or service – often your email address or a nickname.
Virus – A type of malware that spreads and damages your computer or files, like a cold for your device.
VPN (Virtual Private Network) – A tool that hides your location and makes your internet use more private, especially on public Wi-Fi.
Wi-Fi – A way to connect to the internet without wires. It’s safest when password protected.
Website address (URL-Uniform Resource Locator) – The link you type in to visit a site, such as www.bbc.co.uk. Always check spelling to avoid fake sites.
