Gr 12 2.2 – SECURITY CONCEPTS

Question 1

Digital Certificate

Answer 1

A certificate issued by a trusted third party to verify the
identity of a person or organization, 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’ used to identify and validate the
sender of an electronic message (e-mail) or the ‘signer’ of an
electronic document.

Question 3

DRM

Answer 3

(DIGITAL RIGHTS MANAGEMENT)
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 ect).

Question 4

Encryption

Answer 4

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

Question 5

Public key encryption

Answer 5

A type of encryption 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

Answer 6

(SECURE SOCKETS LAYER)
An encryption protocol, which encrypts data, sent over the
Internet. Used by websites for communicating sensitive
information (e.g banking details).