Cyber security

2. An attack that crashes a server by overwhelming it with traffic from many sources.
8. Ensuring that systems and data are accessible to users when needed.
9. The process of converting readable data into a coded format to prevent access.
11. A network of hijacked computers used together to perform large-scale attacks.
12. Leaving a malware-infected device in a public place to trick someone into using it.
14. The assurance that data has not been altered or tampered with by unauthorized parties.
15. A small text file used by websites to track user sessions and preferences.
16. A highly targeted phishing attack aimed specifically at high-level executives.
17. A security system requiring two or more forms of identification to grant access.
19. Software that automatically displays or downloads unwanted advertising material.
20. An attack that uses trial and error to guess passwords or encryption keys.
25. Looking over a person's shoulder to steal passwords or PIN numbers.

1. Any remote computing device that communicates back and forth with a network.
3. A general term for any software specifically designed to damage or disrupt systems.
4. Sending fraudulent emails that appear to be from a reputable source to steal data.
5. The principle of ensuring that sensitive information is only accessible to those authorized.
6. A security barrier that monitors and filters incoming and outgoing traffic.
7. A fake system or file used to distract and trap unauthorized users.
10. A tool that creates an encrypted tunnel to protect data over public networks.
13. To disconnect a system or network from others to prevent the spread of threats.
18. Using psychological manipulation to trick people into revealing private information.
21. A type of surveillance software that records every stroke made on a keyboard.
22. A type of attack that locks a user's files and demands payment for release.
23. A secret way to bypass normal authentication and gain access to a system.
24. An attack that floods network links to cause congestion and disconnect targets.