Computer Security

Computer Security

1. Active and Passive security

   • Active:set of actions aimed at protecting the computer and its content
   • Passive security: aims to minimise the impact of possible compuer damage

2. security on the computer

   • Malware: a software developed for malicious purposes
     • Types:
       • virus
       • keylogger
       • worm
       • spyware
       • Trojan
       • Hijackers
       • Adware
   • Computer softwares for protection:
     • Antivirus
     • Firewall
     • Proxy
     • Passwords
     • Cryptography

3. Personal safety

   • Threats to people
     • Cyberbullying
     • Identity theft
     • Unintended access
     • Harm to identity
   • Softwares for personal protection
     • Kidswatch and K9 web

4. Digital identity

   • Everything that is done on the Internet leaves a digital footprint
   • Digital certificate
     • digital document that contains electronically validated personal identification data, which can be used as a means of identifying the signatory
   • Software licensees
     • Commercial sorfware
     • Freeware
     • Free software
       • Copyleft
         • General public license