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9

Across

1. A cryptographic mechanism that ensures the authenticity and integrity of digital messages or documents.

2. A cryptographic system that uses the same key for both encryption and decryption.

3. A cryptographic system that uses two different keys: a public key for encryption and a private key for decryption.

4. The process of assessing a network's security measures to identify weaknesses, evaluate potential threats, and suggest enhancements.

5. A piece of information used to authenticate a user's identity, such as a password or biometric data.

6. Implementing measures to safeguard a network against unauthorized access, improper use, alteration, or disruption of service.

7. The process of invalidating a digital certificate before its expiration date.

8. An organization that issues digital certificates and verifies the authenticity of entities.

9. The act of confirming the identity of a user or device, with the purpose of granting access to a network or system.

Down

10. An electronic document that confirms the credibility of a sender or receiver in a network communication.

11. It involves implementing mechanisms that restrict user or device entry to specific resources or areas within a network.

12. The process of verifying that a network operates efficiently and satisfies the intended performance standards.

13. The process of converting plaintext into ciphertext using an encryption algorithm and a key.

14. Information used to authenticate a user's identity, typically consisting of a username and password.

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