W3

• Dangers on the Internet

  • Email Spam
  • Email Spoofing
  • Phishing
  • Pharming
  • Spyware
  • Trojan Horse
• Email Spam


  • AKA Junk mail
  • Usually unsolicited commercial email sent from an unknown source with identical message sent to multiple recipients
  • Usually not dangerous but can be time and space consuming
  • Dangerous ones can carry viruses and other malicious software (Malware)
• Best way to get rid of Junk Mails

  Not specified
• Email Spoofing


  • Deceitful email practice where the sender address is changed to appear from a different source, usually someone you know
  • Used by spammers to hide the origin of the spam
• How to know if someone is spoofing you


  Not specified
• Phishing


  • Deceitful practice of trying to get confidential information by making it appear from a trustworthy source
  • Usually done through emails or using popular entities such as Microsoft, Yahoo, Google, Amazon, and financial institutions
• How to know if someone is phishing you

  Not specified
• Pharming


  • Dangerous hacker attack on a website directing traffic to a fictitious website
  • Objective is to obtain sensitive information like usernames, passwords, and financial details
  • Major concern for online banking and electronic commerce transactions
• How to know if someone is trying to pharm you

  Not specified
• Spyware


  • Covertly installed computer program to collect information or take control over the computer without user's knowledge
  • Can monitor and collect information about the user's internet habits and practices
  • Affects computer performance and settings
• How to prevent installing spyware


  Not specified
• Trojan Horse


  • Malware pretending to perform a good task but covertly performs undesirable functions
  • Intention is to enter the computer without user's consent
  • Can disable computer's defenses, erase data, corrupt files, allow unauthorized access
• How to know if a file is trojan horse-infected

  Not specified
• Filipino Onel de Guzman: 'He unleashed the Love Bug computer worm to steal passwords so he could access the internet without paying'
• Victims received an email attachment entitled LOVE-LETTER-FOR-YOU containing malicious code that would overwrite files, steal passwords, and automatically send copies of itself to all contacts in the victim's Microsoft Outlook address book
• Victims received an email attachment entitled LOVE-LETTER-FOR-YOU
• The email attachment contained malicious code that would overwrite files, steal passwords, and automatically send copies of itself to all contacts in the victim's Microsoft Outlook address book
• Within 24 hours, the malicious email attachment was causing major problems across the globe, reportedly infecting 45 million machines
• White, G. (2020, May 3): 'Love bug's creator tracked down to repair shop in Manila'
• Computer Worm
• Computer Worm characteristics


  • Replicates itself through a network
  • Some worms delete files, others disrupt the network function
  • Usually spread through email and running of attachments from suspicious sources
  • Spreads by exploiting weaknesses in operating systems
• Computer Virus
• Computer Virus characteristics


  • Duplicates itself and infects the computer
  • Spreads like a biological virus
  • Can be transferred by the use of removable storage media devices
  • Damages may be mild to severe
• Hacker
• Hacker characteristics


  • Able to enter and control other people’s computer without authorization
  • Vandalizes victims’ websites, steals personal information, obtains intellectual property, performs credit card fraud
  • Firewalls can prevent entry by hackers
• Copyright
• Intellectual property (IP) is a category of property that includes intangible creations of the human intellect
• Types of intellectual property

  • Copyrights
  • Patents
  • Trademarks
  • Trade secrets
• Copyright infringement includes the unauthorized or unlicensed copying of a work subject to copyright
• Plagiarism is using someone else's work or ideas without giving proper credit
• Fair Use refers to the author’s sole right and the author’s limitation to an original work, which may include criticism, researching, commentary, news broadcasting, scholarship, search engines, and library archiving
• Evaluating Information
• THANK YOU!