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Across

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

2. Unique physical or behavioral characteristics like fingerprints or iris scans are utilized to verify an individual's identity through the process of authentication.

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

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

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

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

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

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

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

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

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

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

Down

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

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

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

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

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