Computer Studies·Security & ethics · NSSCO 2.2
Security, reliability, computer crime, security measures & ethics
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Computers hold our money, our marks and our private details, so keeping them safe matters. In this lesson we look at what happens when a system fails, why we keep backups, the crimes criminals commit online, how organisations stop them, and how to behave fairly and honestly when we use technology.
What you'll learn in this lesson
By the end you should be able to (NSSCO Computer Studies 2.2):
- Discuss the consequences of system failure in different areas of applications, such as: business applications, large mainframe systems
- Understand the importance of backups
- Describe the impact of computer crimes such as: identity theft, fraud, spoofing, invasion of privacy, spam attacks, virus attacks (including ransomware and other malware), cyber warfare
- Discuss security issues when using Internet facilities focusing on: how secure payment features are built-in (encryption), use of smart card slots in keyboards to allow access, people's fear of using the Internet
- Describe methods of preventing computer crimes such as: development of complex security code systems, encryption of sensitive and confidential data, audit of access to the computer system (successful and not successful attempts)
- Describe various security measures: security tokens, PIN (including OTP and PUK), hardware tokens, software tokens, virtual tokens
- Discuss the ethical uses of computer systems such as: plagiarism, access to controversial information, cyber stalking, cyber bullying, hate speech, sexting
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