IT9626 unit 3 & 5 Test

In a recent BBC news bulletin it was said: ‘It takes 82 seconds for cyber-thieves to ensnare the first victim of a phishing campaign, a report suggests.’ ‘Hackers exploit router flaws in unusual pharming attack.’ Describe what is meant by:

(a) phishing 4 marks

(b) pharming 3 marks

Personal data and other sensitive types of data often need to be kept confidential or restricted to authorised staff. Explain why personal data should be kept confidential (6 marks)

Phishing is an attempt by fraudsters to gather personal information using email. Receivers of emails should use several different methods to prevent phishing attacks. Evaluate the different methods which can be used to prevent phishing (8 marks)

Hackers sometimes commit fraud after causing spyware to be installed on other users’ computers.

(a) Describe what is meant by the term ‘spyware’ ( 3 marks)

(b)(b) Explain how a hacker uses the information gained from spyware to commit fraud.( 4 marks)

Sensors are used in monitoring systems to measure physical variables. It is important that sensors are calibrated before use. (a) Describe, in detail, these sensors and give an appropriate use for each. Each use must be different.

a) Humidity (marks 2)

b)Sound (marks 2)

c) Explain the importance of calibration (marks 2)

Sensors are used in monitoring and control to measure physical variables. (a) Describe these sensors. For each sensor, explain how it could be used in a control system. Each system must be different.

a)Infrared ( marks 2)

b)Ultrasonic (marks 2)

Organize these options into the right categories

Groups:

(a) trojan

,

(b) rootkit

,

(c) spyware

,

(d) virus

• it distinguish itself as a legitimate software

• it infects new files

• it looks harmless

• keylogger

• it is designed to spread much like human virus

• in this method peron drops usb so other can take it with curiosity and get victim

• enables to gain adminsitrative access

• designed to gather information about your interactions with your computer

Exaplin a real world example of control system against intruders? also make a flowchart to demonstrate how this broken glass detection control will operate?