Security concepts

Question 1

Digital Certificates

Answer 1

A certificate issued by a trusted third party to verify the identity of a person or an organisation, so that the person or organisation may be trusted for communication of sensitive information. An essential part of the SSL encryption protocol

Question 2

Digital Signature

Answer 2

An electronic ‘signature’ is used to identify and validate the sender of an electronic message (e-mail) or the signer of an electronic document

Question 3

DRM(Digital Rights Management)

Answer 3

A way of protecting digital books, movies, games, etc., by using some form of encryption to control access to the content (copying, viewing, printing, changing, etc.)

Question 4

Encryption

Answer 4

The ‘scrambling’ of text or data using a specified set of rules to ensure the privacy f data during communication, or for security purposes.

Question 5

Public key encryption

Answer 5

A type of encryption protocol where a generally available public key is used to encrypt data, but a different private key is needed to decrypt and read the data

Question 6

SSL (Secure Sockets Layer)

Answer 6

An encryption protocol which encrypts data sent over the internet.Used by websites for communicating sensitive information (e.g. banking details)