Vocabulary Worksheet — Intro

Digital Security

B2 authentication • encryption • firewall • backup • malware • phishing…
Key Vocabulary
Word Meaning Example sentence
authentication n. the process of checking a user s identity Two-factor authentication protects accounts.
encryption n. a way of protecting data by making it unreadable without a key Encryption keeps messages private.
firewall n. a system that blocks unwanted network access The firewall stopped the attack.
backup n./v. a copy of data kept in case the original is lost Make a backup of important files.
malware n. software designed to damage or access a system illegally Malware infected the computer.
phishing n. a trick that tries to get private information online Phishing emails can look real.
breach n. an incident where private data or systems are accessed illegally The company reported a data breach.
vulnerability n. a weakness that can be attacked The update fixed a vulnerability.
permission n. the right to access or do something The app asked for permission to use the camera.
data leak n. an accidental or illegal release of private data The data leak affected thousands of users.
scam n. a dishonest trick to steal money or information The website was part of a scam.
suspicious adj. seeming strange or possibly dangerous Do not click a suspicious link.
Common Collocations
authentication: strong authentication, user authentication
encryption: data encryption, end-to-end encryption
firewall: network firewall, firewall settings
backup: cloud backup, backup data
malware: malware attack, remove malware
phishing: phishing scam, phishing email
breach: security breach, major breach
vulnerability: software vulnerability, security vulnerability
permission: app permission, grant permission
data leak: personal data leak, data leak investigation
scam: online scam, avoid a scam
suspicious: suspicious email, suspicious activity
Language Tips
Protection words

Authentication checks who you are. Encryption protects information by making it unreadable without a key.

A firewall helps block unwanted access.

Risk words

Malware is harmful software. Phishing tricks people into giving information.

A vulnerability is a weakness that attackers might use.