Chapter 6 - Security, Privacy And Data Integrity

Question 1

Data security

Answer 1

Ensuring data is protected against loss and unauthorised access

Question 2

Data integrity

Answer 2

Making sure that data is valid and does not corrupt after transmission

Question 3

Data privacy

Answer 3

Ability to determine what data is being shared with a third party

Question 4

Data security vs system security

Answer 4

Protection of data on a computer system - protection of computer system
Prevent corruption of data & hackers from using data - prevent access of viruses & hackers to system
Eg. Encryption - eg. ID & password

Question 5

Threats to computer and data security (4)

Answer 5

Malware
Hacking
Phishing
Pharming

Question 6

Malware
Definition and types (2)
Risk restriction

Answer 6

Software intentionally designed to damage a computer or computer network
Includes Virus and Spyware
Ensure anti-virus and anti-spyware system is installed, regularly updated and run

Question 7

Virus

Answer 7

Software that replicates itself by inserting a copy of itself into another piece of software, which may cause the computer to crash and can lead to deletion or corruption of data

Question 8

Spyware

Answer 8

Software that gathers information about users online and offline activity, including accessed sites, applications and downloaded files

Question 9

Hacking
Risk restriction

Answer 9

Illegal access to a computer system, hackers can obtain users confidential data ad cause identity theft or can lead to the deletion or corruption of data
Risk restriction: use strong passwords and ensure firewall

Question 10

Phishing

Risk restriction

Answer 10

Attempt through emails to obtain user’s confidential data which can cause identity theft

Risk restriction : ignore suspicious mails and ensure firewall criteria includes spam filters, blacklist, etc

Question 11

Pharming