Lesson Notes By Weeks and Term v5 - Grade 11

Lesson Video

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Performance objectives

• Define security, ethics, and privacy in IT.
• Identify common security threats and how to stop them.
• Evaluate the ethics of IT decisions, considering South African laws.
• Describe privacy principles and South Africa's POPIA law.
• Apply ethical reasoning to real-world IT scenarios.

Lesson summary

This week, we delve into the crucial social implications of Information Technology (IT), specifically focusing on security, ethics, and privacy. These aren't abstract concepts; they directly impact your lives as young South African citizens navigating an increasingly digital world. From protecting your personal data online to understanding the ethical responsibilities that come with using technology, these are essential skills for the 21st century. Imagine your WhatsApp account being hacked, or your ID number being used for fraudulent activities – these are real threats that understanding security, ethics, and privacy can help you avoid.

Lesson notes

Security: IT security refers to the measures taken to protect IT systems (hardware, software, data) from unauthorized access, use, disclosure, disruption, modification, or destruction. Security is about ensuring confidentiality (keeping data secret), integrity (keeping data accurate and complete), and availability (making data accessible when needed).

Threats: A threat is any potential danger to an IT system.

Examples include: Malware: Malicious software like viruses, worms, Trojans, ransomware, and spyware.

Example:* A virus attached to an email you receive that can damage your computer or steal your information. A South African study showed a 30% increase in ransomware attacks on small businesses in the past year.

Phishing: Deceptive attempts to obtain sensitive information like usernames, passwords, and credit card details by disguising as a trustworthy entity.

Example:* An email pretending to be from your bank asking you to update your account details. Many South Africans have lost money to phishing scams due to fake SARS refund emails.

Hacking: Unauthorized access to a computer system or network.

Example:* Someone gaining access to your social media account or your school's network to steal data.

Social Engineering: Manipulating people into divulging confidential information or performing actions that compromise security.

Example:* Someone calling you pretending to be from IT support asking for your password. A common social engineering scam in South Africa involves pretending to be a family member in need of urgent financial assistance.

Denial-of-Service (DoS) attacks: Overwhelming a system with traffic, making it unavailable to legitimate users.

Example:* A website being flooded with requests, causing it to crash.

Vulnerabilities: A weakness or flaw in an IT system that can be exploited by a threat.

Example:* An outdated operating system with known security flaws.

Mitigation Strategies: Measures to reduce the risk of a threat exploiting a vulnerability.

Example:* Installing antivirus software, using strong passwords, keeping software up-to-date, enabling two-factor authentication.

Ethics: IT ethics deals with the moral principles that govern the use of I

T. It considers what is right and wrong in the context of IT, addressing issues like: Intellectual Property: Protecting original works (e.g., software, music, books) from unauthorized copying or distribution. This includes respecting copyright laws.

Example:* Downloading a pirated copy of Microsoft Office is an ethical violation and illegal.

Privacy: Respecting individuals' right to control their personal information.

Example:* Sharing someone's personal information online without their consent is an ethical violation.

Digital Divide: The gap between those who have access to IT and those who do not. IT ethics calls for efforts to bridge this divide and ensure equitable access.

Example:* Promoting access to affordable internet and computer literacy programs in underserved communities in South Africa.

Net Neutrality: The principle that all internet traffic should be treated equally, without discrimination based on content, source, or destination.

Example:* Ensuring that internet service providers do not prioritize certain websites over others, which could disadvantage smaller businesses or marginalized communities.

Responsible Use: Using IT in a way that is respectful, considerate, and does not harm others.

Example:* Avoiding cyberbullying or spreading misinformation online.

Privacy: Privacy is the right to control your personal information. In the IT context, this means controlling what data is collected about you, how it is used, and who has access to it.

Personal Information: Any information that can be used to identify you, such as your name, ID number, address, phone number, email address, and online activity.

Data Protection Laws: Laws designed to protect individuals' privacy rights. POPIA (Protection of Personal Information Act): South Africa's primary data protection law. POPIA requires organizations to collect, process, and store personal information responsibly and lawfully.

Key principles of POPIA include: Accountability: Organizations are responsible for complying with POPI

A. Processing Limitation: Personal information must be collected for a specific, lawful purpose.

Purpose Specification: The purpose for collecting information must be clearly stated.

Further Processing Limitation: Information cannot be used for a purpose different from the original purpose.

Information Quality: Information must be accurate and up-to-date.

Openness: Individuals must be informed about how their information is being used.

Security Safeguards: Organizations must take steps to protect personal information from unauthorized access or disclosure.

Data Subject Participation: Individuals have the right to access and correct their personal information.