Encryption & Non-Repudiation

Question 1

What is Encryption and Decryption? How does both work?

Answer 1

• Encryption is the conversion of plaintext into ciphertext via an encryption algorithm and key.
• Decryption is the conversion of ciphertext to plaintext via a decryption algorithm and key.

Question 2

What are 3 methods for protecting data at rest?

Answer 2

• File Encryption
• Disk Encryption
• Device Encryption

Question 3

What are 3 methods for protecting data in transit?

Answer 3

• HTTPS (web)
• Email
• Mobile Applications
• VPN

Question 4

What is Repudiation and Non-Repudiation?

Answer 4

• Repudiation is denying something that is True.
• Non-Repudiation is preventing someone from denying the truth.

Question 5

What are a few non-repudiation methods?

Answer 5

• Biometics
• Video Surveillance
• Digital Signatures for electronic documentation.
• Receipt.