cyber security puzzle

3. A type of malware that locks files and demands payment for access
4. A network security system that monitors and controls incoming and outgoing traffic
9. A manipulation technique used to deceive users into giving up confidential data
10. The process of converting data into a coded format for security
11. An update designed to fix security vulnerabilities in software
12. An attack that tricks users into revealing sensitive information
14. A hidden entry point in software that allows unauthorized access
15. A cyber attack that overwhelms a network or service with traffic
17. A tool used to create a secure, encrypted connection over the internet
18. Malicious software that secretly gathers user information

1. An attack that tries multiple password combinations until the correct one is found
2. Malicious software that can damage files or steal information
5. A method of securing passwords by transforming them into fixed-length values
6. A security vulnerability that is exploited before a fix is available
7. Software embedded in hardware that controls device functionality
8. A security practice of verifying user identity
11. A secret key used for encrypting and decrypting messages
13. A type of malware disguised as legitimate software
14. A network of compromised computers controlled by an attacker
16. A type of software that records keystrokes to steal passwords