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6. Security & Privacy

Key Terms

Data Security

Protects data against loss/corruption and allows it to be recovered.

Data Privacy

Ensuring data is protected against unauthorised access.

Data Integrity

Ensuring the accuracy, completeness, and consistency of data during and after processing.

Threats to Data

Virus/Malware

Malicious software that replicates itself and can damage, delete, or corrupt data.

Spyware

Malicious software that secretly records user activity and sends data to third parties.

Hacking/Hackers

Illegal/unauthorised access used to delete, damage, or collect data.

Phishing/Pharming

Phishing involves tricking users into disclosing private information, while pharming redirects users to fake websites.

How to Avoid Installing Malware

Steps to prevent malware from infecting your computer.

How to Protect Computers

Firewall

A firewall checks incoming and outgoing traffic against criteria set by the user.

Additional Authentication

Enhances security by requiring multiple forms of verification.

Anti-Virus/Malware/Spyware

Protects the computer by scanning for and removing malicious software.

Quiz

What is the primary purpose of data security?

Which of the following is NOT a method of data validation?

What is the purpose of a checksum in data transmission?

Which of the following is a characteristic of spyware?

What is the role of a firewall in computer security?

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