What is security?
Security is a very long chain of
processes and tools.
Why do digital threats take place?
Fast automation. e.g.salami attacks
Action at a distance
Technique propagation (sec must be proactive)
Name 4 different types of attacks?
Criminal attack. e.g. fraud, for max return
Destructive attack, most damage, e.g. DoS
Brand theft, similar to identity theft
Itellectual property theft, e.g. music
What is traffic analysis?
The study of communication patterns (not the content of the messages e.g..time sent, length etc)
What is a hacker?
An experimenter with limitations of a system for intellectual curiosity or
Is complete anonymity possible over the internet?
What is integrity?
Anything that has been changed in data over time.
E.g. a system with high integrity means that
it can determine that the data has (or has not) been modified since it was
Explain the principle function of a firewall?
A firewall is part of a computer system or network designed to protect a user's internal private network from unauthorised access from the internet. E.g. intranets
How does a firewall work?
Inspects network traffic passing through it. Basic task is to regulate some of the flow of traffic between computer networks of different trust levels.