| 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. |
Authentication checks who you are. Encryption protects information by making it unreadable without a key.
A firewall helps block unwanted access.
Malware is harmful software. Phishing tricks people into giving information.
A vulnerability is a weakness that attackers might use.