Computer security

Computer security

1. Active and passive security

   • Active
     • Actions aimed at protecting the computer
   • Pasive
     • Systems to minimise the impact of computer dmage

2. Security on the computer

   • Malware
     • Software for malicious porposes
     • Types
       • Virus
         • A program that infect
       • Keylogger
         • Software for obtaining password
       • Worm
         • flood to system memory
       • Spyware
         • Trojan
           • destroy or gather info
         • Hijackers
           • hijack other programs
         • Adware
           • Advertising
   • Terminology
     • Hackers
       • Computer criminals
     • Crackers
       • use comercial programs without a licence
     • Cookies
       • text files
     • Pharming
       • redirecting a domain name
     • Spam
       • e-mail messages
     • Hoaxes
       • chain e-mails
   • Software
     • Antivirus
       • program that analyses the units
     • Firewall
       • is a defence system that controls and filters network traffic
     • Proxy
       • software that functions as an entry port
     • Password
       • help to protect the security of a file
     • Cryptography
       • encrypting of information

3. Personal safety

   • Threats to people or thir identity
     • Unintended acces
       • to illegal or harmful information
     • Identity
       • theft, robbery or fraud
     • Loss
       • of our intimacy
     • Cyberbulling
       • a type of harassment
   • Social Network
     • Websie permits different kinds of exchange

4. Digital Identity. Digital Certificate

   • Digital footprint
   • Digital certificate
     • 1. Internet access
     • 2. Accredit identity
     • 3. Download

5. Ownership and distribution os software and info

   • Copyright
     • Set of standards regulate the legally recognised moral
   • Software licences
     • Commercial software
       • A company's fortware sold for profit
     • Freeware
       • software with no monetary cost
     • Free software
       • ts source code is available and is known as open source
     • Copylest
       • User licence that accompanies free software so it can be modified
     • GNU/GPL
       • A licence that accompanies packages distributed by the GNU