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Security of Data (How to recognize a spam email? (They are filter into…

- - - - Consists of
        
        Sender's Email Address
        
        Name
        
        A serial Number
        
        Certificate expiry data
      - Recipient of the email can open the digital certificate to check if of trusted source
      - Attached to emails and website, prove who has sent the message
    - - SSL encrypts the connection between your computer and the e-commerce
      - Make sure transaction is secure
        
        Stop credit card details being stolen by hackers
      - Often with Commerce
        
        Require card details
        
        For purchases
        
        Bank
  - - - 'https'
        
        like Facebook or Google
      - Padlock icon
  - - - When a malicious code is installed on a personal computer or sever
      - Mislead users to fraudulent websites without their knowledge
      - Phishing without a lure
      - Through email
    - - Short for SMS phishing
      - Usually an SMS text message that tries to trick you into downloading
        
        Trojan Horse
        
        Malware
        
        Virus
        
        Target cellular phone or mobile devices
    - - Fake as a respectable website/company
      - Send an email to you, under that company impression
      - Attempts to get you to review personal informations
- - - - Identity theft
        
        Names, addresses, social security numbers stolen can be used for identity fraud
      - Theft of money
        
        Hacked bank and credit card details can be used to steal cash
      - Stealing of customer information
        
        If a business computer is hacked, the stolen customer information can be used for identity fraud and stealing of money
      - Stealing email addresses
        
        For spamming purposes
        
        Spamming is when same email is sent to a large numbers of people
      - Loss of important information
        
        Sometimes hackers just want to cause havoc and deletes any information that looks important
    - - Through the internet
        
        By guessing password
        
        By using key logger
        
        Key logger: Special software that is secretly sent to computer system then logs every key press the users make
    - - User-Id's and Passwords
        
        Passwords: Combinations of letters, numbers and symbols known by the user. Used when logging into a system
        
        How to use passwords
        
        Change it often
        
        Keep it a secret
        
        Don't write it down anywhere
        
        A good password should be robust (Hard to guess)
        
        User-Id's: A word or number that identifies a particular user who logs into the computer system
        
        E.g. Students cannot access a "Teacher Shared Area" on school networks
        
        Correct user-id's & passwords = Access to the system
      - Biometric Authorisation
        
        Common ones include
        
        Face scans
        
        Iris Scans
        
        Fingerprint scans
        
        Advantages
        
        Password cannot be forgotten
        
        Cannot be forged
        
        It's not possible for someone to find out your password and use it
        
        Means authentication by using body parts