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Across

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

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

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

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

5. In asymmetric encryption, a key that is publicly available and used for encryption.

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

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

8. The process of securely exchanging keys between parties in asymmetric encryption.

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

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

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

Down

12. The process of converting ciphertext into plaintext using a decryption algorithm and a key.

13. The process of verifying the identity of a user by requiring them to provide a password.

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

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

16. In asymmetric encryption, a key that is kept secret and used for decryption.

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

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