Information Technology

• Computer security


  Concepts related to identifying, assessing and managing attacks on a computer system
• Cybersecurity


  Concepts related to identifying, assessing and managing attacks on a computer system
• Computer abuse is any activity during which a computer system or its data is accessed, modified or denied without proper authorization
• Cyberspace


  Any data or resource that can be accessed via a computer or the internet
• Cyberspace


  • Youtube
  • Tik Tok App
  • Phone App
• Cybercrime is any crime perpetrated using computers and computer systems, e.g. piracy, ransomware
• Cybersecurity involves identifying, assessing and managing attacks on computer systems
• Chapter 4: Social and Economic impact of information and communication technology

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• Computer security


  All the activities related to identifying, assessing and managing threats to a computer system
• Computer misuse


  Any activity during which a computer system or computer data is accessed or its data is accessed, modified or deleted without proper authorization
• Cyberspace


  Any data or resource that can be accessed via a computer network
• Examples of cyberspace


  • Youtube
  • Tik Tok App
  • Phone App
• Cybercrime


  Any crime perpetrated using computers and networks
• Examples of cybercrime


  • Economic espionage
  • Ransomware
• Cybersecurity


  All activities related to identifying, assessing and managing the vulnerabilities, threats and attacks from cyberspace
• Firewall


  Monitors a network, blocking dangerous content
• Firewall


  • Can be a physical device attached to a network or software running on a connected computer
• Vulnerability


  Exposure to the possibility of being attacked
• Threat


  A statement of an intention to inflict harm or damage
• Countermeasure


  An action taken to counteract a threat
• Examples of computer misuse by individuals


  • Using work computers for personal browsing during work hours
• Examples of computer misuse by organizations


  • Industrial espionage
  • Unauthorized accessing of a competitor's computer systems to obtain confidential data
• Examples of computer misuse by governments

  • Intercepting private emails
• Cyberbullying


  A form of bullying or harassment using computer-based communications to post, send or share negative, harmful, false or mean content about someone else, causing embarrassment or humiliation
• Identity theft


  The deliberate use of someone else's personal information, usually to gain a financial advantage
• Examples of identity theft


  • Obtaining loans and credit cards
  • Fraudulent withdrawals from bank accounts
  • Fraudulent use of identity documents
• Indecent material


  Material of a sexual nature or that offends against society's morality, which can lead to emotional distress of the victim and the perpetrator may lose their job and be subject to prosecution
• Phishing


  The attempt to obtain sensitive information such as usernames, passwords and credit card details by masquerading as a trustworthy entity in an electronic communication
• Privacy


  The right of an individual to choose freely under what circumstances and to what extent they will reveal information about themselves
• Personal data


  Information such as name, address, date of birth
• Privacy violation


  The act of sharing any of the above personal data without the individual's consent
• Cookie


  A piece of data set from a website and stored on the user's computer by the user's web browser while the user is browsing
• Copyright


  A legal right that gives the creator of an original work exclusive rights over its use and distribution
• Copyright infringement


  Reproducing, creating a derivative work, distributing, performing or otherwise benefiting from the copyright without obtaining the requisite permissions
• One effect of copyright infringement is the loss of revenue for the rights holder
• Software piracy


  The unauthorized reproduction, distribution or use of software products
• Data theft


  The unauthorized access and theft of data
• Denial-of-service (DOS) attack


  A cyber-attack where the intent is to prevent a Service being delivered by the target system
• Distributed denial-of-service (DDOS) attack


  A cyber-attack during which the target system is flooded with requests that overload the target system
• DDOS attack


  Can cause businesses to lose revenue and customers may decide to switch to a more reliable alternative